opencv

Title	Answered?	Asker	Created	Updated
libviso2_ros compiling under linux	False	mtmarco	2014-02-20 04:12:30	2014-02-20 13:29:33
Collision detection application with a RGB-D camera, ROS, and OpenCV	False	Felipe Franca	2017-05-31 18:10:48	2017-06-04 18:01:31
Could NOT find openni	False	Safeer	2014-02-24 05:25:35	2014-02-24 05:25:35
Error in vision_opencv/image_geometry/src/pinhole_camera_model.cpp	False	Flowers	2012-09-16 12:03:06	2012-09-16 12:03:06
vtk opencv ROS kinect openni compativity	False	waschbaer	2017-06-11 18:24:10	2017-06-11 18:27:16
Source code Kinetic install fails on Fedora when can't find opencv tar file	False	seanjohnsonmakes	2019-03-17 16:49:22	2019-03-17 21:19:18
What packages am I going to use to work with Kinect v2 and object recognition	False	roel958	2017-06-15 13:02:54	2017-06-15 13:02:54
Converting occupancy grid to image	False	harty	2017-06-19 12:52:10	2017-06-19 13:25:52
How to input gazebo camera feed into opencv python?	False	nile.shaw	2021-02-13 12:23:29	2021-02-13 12:23:29
camera drivers for ros hydro medusa on ubuntu 12.04 LTS	False	deepak.shankar94	2014-02-26 23:25:50	2014-02-26 23:25:50
opencv missing shared objects causes run time error	False	PeteBlackerThe3rd	2017-07-12 10:08:08	2017-07-12 10:08:08
web_video_sever with opencv	False	khoatran	2022-03-09 00:53:45	2022-03-09 01:41:56
Why the registered image of depth_image_proc can't be shown?	False	xiaohuang	2017-07-13 12:52:16	2017-07-13 12:52:16
memory leak in imgmsg_to_cv2?	False	Xu	2014-03-06 09:29:47	2014-03-06 09:29:47
OpenNi: save /came/depth/image_raw to PGM 11 bit?	False	liborw	2012-09-26 06:57:49	2012-09-26 06:57:49
nvJPEG nvCOMP CUDA	False	oanli	2022-04-17 01:56:43	2022-04-17 01:58:42
How to get correct depth value using kinect? I get all 0	False	mzWang	2017-08-15 03:42:19	2017-08-15 03:42:19
xn::DepthGenerator::GetMetaData() resulting Segmentation fault (core dumped))	False	Latif Anjum	2014-03-10 04:05:09	2014-03-10 04:05:09
How Does a Camera Calibration File Work in ROS 2?	False	kyubot	2022-05-12 14:22:17	2022-05-13 18:31:08
videofile/videofile_stream-2 process has died exit code -11	False	supersampard	2017-09-12 03:28:02	2017-09-12 03:28:02
Interfacing OpenCV and Node.js	False	mikerosz	2017-09-12 20:19:47	2017-09-12 20:19:47
ROS installation failes: Failed to process package 'roslisp'	False	buchner	2017-10-15 14:47:20	2017-10-15 14:47:20
Error in building image_geometry package in ROS Indigo in Raspberry Pi	False	rimital	2017-10-16 08:43:18	2017-10-16 08:43:18
Why can't I build my package? I get this error with cv_bridge. I don't understand myself. Im using ROS Indigo, OpenCV 3.3.1 and using a dual boot not VM machine	False	Zaz	2017-10-27 07:01:36	2017-10-27 07:01:36
Detecting colored tapes/lines	False	matislovas	2017-11-22 20:49:50	2017-11-22 20:50:07
Cannot build OpenCV	False	rozoalex	2017-11-29 07:50:34	2017-11-29 07:50:34
How to run opencv code with usb cam?	False	newroser	2017-12-20 13:29:52	2017-12-20 13:29:52
cannot launch node of type [darknet_ros/darknet_ros]	False	huhahaha	2022-11-07 01:07:17	2022-11-07 03:41:58
create depth map with gazebo camera	False	huhahaha	2022-11-17 05:38:53	2022-11-17 05:38:53
Are there conflicts with OpenCV 4 and ROS?	False	DrBwts	2023-01-27 09:44:47	2023-01-27 09:44:47
cv2.namedWindow() is not working	False	moe	2023-02-11 02:43:53	2023-02-11 11:20:38
image_view segmentation fault	False	Shillin	2023-02-15 15:03:53	2023-02-15 15:03:53
Aruco markers dictionaries in "aruco_ros" package by pal robotics	False	Mehdi LAYES	2023-02-25 16:52:39	2023-02-25 16:52:39
ROS2 cam2image Shared Library Error	False	J. J.	2021-03-31 01:24:50	2021-03-31 01:24:50
publishing &subscribing at the same node (no callback)	False	rosmaster	2018-03-19 08:27:10	2018-03-19 08:59:09
Subscribing to multiple image_raw topics with OpenCV	False	mattso	2018-03-22 02:54:17	2018-03-22 02:54:17
camera_zed issue after installing opencv	False	abdelkrim	2018-04-04 13:48:41	2018-04-04 13:49:58
Saving from camera zed to Disk	False	abdelkrim	2018-04-05 11:58:33	2018-04-05 11:58:33
Issue while catkin_make. Getting started with Open_cv	False	Chput	2018-04-09 16:40:47	2018-04-09 17:23:23
Some wrong about "roslaunch rbx1_vision openni_node.launch"	False	rose	2014-04-29 17:12:29	2014-04-29 17:20:35
create is not a member of cv::Tracker - ros_object_analytics	False	AlexChris003	2018-05-02 05:58:41	2018-05-02 05:58:41
Some errors when running gmapping_demo on a turtlebot	False	deepfant	2018-05-05 13:30:34	2018-05-05 13:30:34
Use Tensorflow detection API in ROS	False	erivera1802	2018-05-10 16:00:01	2018-05-10 16:00:01
Video feed freeze on mouse click event OpenCV	False	eirikaso	2018-05-29 07:44:44	2018-05-29 07:44:44
Problems building melodic compressed_depth_image_transport on 18.04.	False	tyler-picknik	2020-06-13 20:41:31	2020-06-13 20:41:31
OpenCV 3 runtime error "Invalid pointer to file storage" cv_bridge + third party library	False	rosusr142573	2018-06-18 11:30:44	2018-06-18 12:12:54
cv_bridge with custom opencv on jetson nano	False	Batstru	2020-10-14 19:35:27	2020-10-14 19:35:27
Correlating RGB Image with Depth Point Cloud?	False	gstanley	2012-06-05 10:27:30	2012-06-05 11:55:58
Cannot visualize depth image from turtlebot simulator	False	Engharat	2012-06-15 06:11:54	2012-06-15 06:11:54
How to use cv namespace	False	Pujie	2018-07-27 01:53:34	2018-07-27 01:53:34
libopencv_highgui.so.2.4: error adding symbols: DSO missing from command line	False	Luis Jibaja	2018-07-27 21:38:34	2018-07-27 21:38:34
Upgrade OpenCV 3.3	False	ROSkinect	2017-08-08 11:16:25	2017-08-08 11:16:25
Smallest Asymmetric Circles Grid	False	Chad Rockey	2012-06-21 11:22:32	2012-06-21 11:22:32
Correctly linking local OpenCV library in ROS as TesseractOCR is not found in ROS OpenCV library	False	Ivan the student	2018-08-03 20:33:41	2018-08-03 20:33:41
MORSE + ROS: which topic do I use for VideoCamera and CV_Bridge?	False	nps	2018-08-08 05:20:47	2018-08-08 05:21:56
Depthmap data (image_raw topic)	False	ZdenekM	2012-07-03 12:17:48	2012-07-04 08:08:16
Catkin/Cmake includes directories as -isystem (Custom OpenCV)	False	CJuette	2017-09-29 09:06:22	2017-09-29 09:06:22
how to build opencv_contrib/sfm for ros kinetic?	False	engyasin	2018-08-30 11:05:58	2018-08-30 11:05:58
[OpenCV and Python 2] "No module named cv_bridge_boost" on Windows	False	EAlvaradoP	2018-09-04 09:43:56	2018-09-04 11:34:50
Compile standalone opencv code with ROS Hydro	False	ktiwari9	2014-06-01 13:40:01	2014-06-01 13:40:01
System recommendations for onboard master pc	False	2018Attempt	2018-09-17 19:50:15	2018-09-18 15:48:13
Setpoint VS RC Override : which is better solution for quadcopter positioning with opencv?	False	Minos	2018-10-06 08:26:33	2018-10-06 08:26:33
Cannot Converting between ROS images and OpenCV images - Python	False	ToanJunifer	2018-10-07 03:16:37	2018-10-07 03:19:46
Depth image from rectified stereo images or disparity image	False	Wintermute	2018-10-11 16:26:48	2018-10-14 14:59:42
get world coordinates from image coordinates	False	ashkan_abd	2018-10-11 21:18:07	2018-10-11 21:18:07
How to measure distance with realsense	False	jetman	2018-11-26 05:58:55	2018-11-26 05:58:55
How to use different locally built opencv version with ROS for Python?	False	Avinash_S24	2018-11-29 14:58:40	2018-11-29 14:58:40
Using tf to transform opencv vector	False	Scea	2012-11-11 13:55:53	2012-11-11 13:55:53
opencv video_stream crash for webcam	False	danielroth	2019-01-28 18:58:40	2019-01-28 19:50:42
Compiling OpenCV with GCC7 fails with fatal_error at stdlib include_next	False	lusim	2019-01-28 13:13:52	2019-01-28 13:23:46
create point cloud2 from depth image	False	ashkan_abd	2019-02-06 03:36:00	2019-02-06 03:42:34
opencv python system conflict	False	naikin	2017-10-05 13:44:46	2017-10-05 13:45:31
Image Labeling via OpenCV	False	mateo_7_7	2013-03-01 10:35:38	2013-03-01 10:35:38
How to update cv::namedwindow in multi-threading environment?	False	JeyP4	2019-03-29 17:41:20	2019-03-29 20:11:46
Tutorial for Image Publisher/Subscriber in Python (Video Stream)	False	hassanyf	2019-04-18 05:25:34	2019-04-18 05:25:34
Drone Feedback: Object Detection / Color Detection	False	mikerosz	2017-10-04 15:52:55	2017-10-04 15:52:55
Opencv for position detection	False	chiongsterx	2014-10-05 14:08:42	2014-10-05 14:08:42
[Map stitching ]Keypoint matching not accurate	False	bvbdort	2014-10-29 22:45:10	2014-11-03 09:16:04
compiling stereo_image_proc with local OpenCV	False	mogumbo	2019-07-02 15:38:43	2019-07-02 15:43:28
ros indigo install using opencv2.4.10 hardcoded lib links	False	Torsten	2014-11-17 11:40:11	2014-11-17 14:28:51
Load camera_calibration yaml into OpenCV VideoCapture object	False	incendiary	2019-08-17 20:34:24	2019-08-17 20:34:24
Using external opencv version - kinetic	False	teshansj	2019-08-19 11:06:42	2019-08-19 11:06:42
ros opencv cannot recive kinect2's depth image	False	lixz123007	2019-08-27 10:50:09	2019-08-28 06:03:50
Run-time error while executing opencv_createsamples in ROS	False	Hemu	2013-07-29 10:29:05	2013-07-29 10:29:05
hough_circles implementation error using openCV	False	Aarya	2020-04-24 14:50:04	2020-04-24 14:50:04
Lower Resolution of Kinect One	False	Pototo	2015-02-02 19:07:47	2015-02-02 19:07:47
Occupancy Map from Hough Lines	False	cuhsailus	2019-09-24 13:02:24	2019-09-24 13:02:24
package documentation	False	s.abderraouf	2015-02-16 13:15:05	2015-02-16 13:15:05
Kinect stops working after 10 seconds	False	llSourcell	2013-08-11 21:21:49	2013-08-11 21:21:49
ros opencv segmantion fault	False	Maesltrom	2015-02-17 21:27:29	2015-02-17 22:05:54
Troubles in processing images from webcam after subscribe	False	kuyhnooj	2022-08-22 06:43:42	2022-08-22 07:03:36
How to use robotino video with cam_shift algorithm	False	sam3891	2015-02-27 13:18:20	2015-02-27 13:18:20
[ROS1_opencv] how to synchronize publishment and processing in subscription	False	kuyhnooj	2022-08-24 07:26:17	2022-08-24 07:26:17
OpenCV error 'CAIRO_STATUS_SUCCESS failed' under ROS. Bug?	False	Huibuh	2013-08-22 08:31:22	2013-08-23 01:03:21
waitKey and ROS	False	215	2015-03-19 16:43:46	2015-03-19 16:55:06
ar-drone without camera	False	andre_th	2015-03-26 11:12:41	2015-03-26 11:12:41
cv_bridge and opencv 3.0.0	False	jbrown	2015-03-27 16:38:54	2015-03-27 16:38:54
Problem running line follower script on ROS	False	chima083	2019-11-13 20:49:31	2019-11-13 20:49:31
Using gtest with cv_bridge fails	False	cmansley	2013-09-04 16:39:48	2013-09-04 16:39:48
error using opencv windows ros	False	dinesh	2019-11-28 14:40:57	2019-11-28 14:41:41
How to map thermal image (Flir A325sc) with Asus XTion Pro Live IR image under OpenCV+ROS	False	F4B1	2015-05-02 10:01:14	2015-05-02 10:01:14
tf and image stitching with multiple camera topics	False	AlecsTout	2019-03-18 13:33:14	2019-03-18 13:33:14
Running Error caused by cv::resize() when transitioning opencv from 2.4.13 to 3.3.1	False	peng	2019-12-12 15:10:34	2019-12-12 15:10:34
From PointXYZRGB to Mat: gives Segmentation fault	False	Metalzero2	2015-05-07 22:55:41	2015-05-07 22:55:41
how to set up opencv in ros indigo	False	dmngu9	2015-05-09 03:00:37	2015-05-10 21:24:18
Optical flow with bottom camera on aerial vehicle	False	nvoltex	2015-05-21 15:38:55	2015-05-21 15:46:05
Undefined reference to cv::imshow(..) when compiling pkg	False	VivosLespagnos	2020-01-30 17:07:39	2020-01-30 17:33:41
fatal error: opencv/dnn/dnn.hpp: No such file or directory	False	Hiroaki-K4	2020-10-08 06:34:28	2020-10-08 06:35:33
How do I use ROS To Visual Studio 2013	False	emc+	2015-07-02 18:20:19	2015-07-02 18:40:43
Image_proc fails with segmentation fault on ros::spin()	False	chilypepper	2015-07-04 13:35:28	2015-07-04 13:35:28
OpenCV 2.4.10 was installed on ROS include folder	False	crsilva	2015-07-09 02:34:40	2015-07-09 02:34:40
catkin_make hector_costmap with undefined reference Error	False	wsAndy	2015-07-18 14:05:52	2015-07-18 14:05:52
Trying to compile cv_bridge - OpenCVConfig.cmake missing	False	phil123456	2020-03-07 21:05:21	2020-03-07 21:05:21
Error while running find_object_2d	False	Kishore Kumar	2015-08-06 18:05:15	2015-08-06 18:05:15
imageview broken after installiing opencv	False	Nap	2015-08-08 07:03:53	2015-08-08 07:03:53
rosmake invoking wrong ld command	False	nnnnnnils	2015-08-11 13:47:18	2015-08-12 14:36:08
Building Ros 2.0 without OpenCV?	False	Sam101	2015-09-12 04:25:32	2015-09-12 04:25:32
OpenCV in ROS Indigo, How can I update opencv to install new libraries, like cv::CAP_PROP_POS_FRAMES for cv::VideoCapture in opencv2/imgproc/imgproc.hpp, when I'm doing catkin_make appears error: CAP_PROP_POS_FRAMES is not a member of cv	False	pablocesar	2015-09-17 10:05:15	2015-09-17 10:05:15
melodic without opencv	False	Robonus	2018-11-14 13:20:07	2018-11-14 13:20:07
endless lope in cv:imread?	False	rloss_loser4231111111181111116	2020-04-27 18:46:20	2020-04-27 18:53:34
can opencv2 available to install for ROS indigo?	False	tt	2015-12-21 15:59:57	2015-12-21 15:59:57
How to get world coordinates in mm(!) from projectPixelTo3dRay	False	Gren8	2016-01-12 19:14:29	2016-01-12 19:14:29
Clustering of ground targets detected using opencv (within ROS)	False	nvoltex	2016-01-19 15:46:42	2016-01-19 15:46:42
Unable to get input from mvbluefox3 through a simple program!	False	bansi_lol	2020-06-26 16:16:24	2020-06-26 16:16:24
image_transport won't use custom built compressed_image_transport plugin	False	lpoff	2016-01-27 17:09:52	2016-01-27 17:09:52
How to include opencv headers using short paths	False	anuppari	2016-01-27 18:19:05	2016-01-27 18:19:05
linking opencv error in installing Player	False	ROS kid	2016-01-29 03:52:55	2016-01-29 03:52:55
again error with opencv and libboost please help	False	g.sart	2016-01-31 20:31:18	2016-01-31 20:48:20
how can i fix this opencv error,i try to identifie a colored ball with turtlebot2 in ros kinetic	False	bebeto	2020-07-08 03:19:38	2020-07-08 03:19:38
OpenCV Fedora	False	Maya	2016-02-03 14:39:05	2016-02-04 01:08:11
Depth Image is very dark.	False	Anonymous	2020-07-14 22:58:50	2020-07-14 22:58:50
building cv_bridge from source	False	japzi	2016-02-27 06:48:24	2016-02-27 06:48:46
How to build OpenCV extra module while OpenCV is installed with ros	False	Sagexs	2016-03-16 16:44:10	2016-03-16 16:44:10
Blob detection in Depth Image using OpenCV	False	PKumars	2016-03-19 21:57:08	2016-03-19 21:57:08
opencv on ros2 foxy	False	dinesh	2020-09-07 08:52:57	2020-09-07 08:52:57
Issues in working with pointcloud and 2D feature detector	False	SM	2013-11-08 16:56:43	2013-11-08 16:56:43
gazebo ros drone with two front cameras	False	vovanrew	2017-02-04 09:25:08	2017-02-04 09:26:22
Advice on setting up OpenCV and ROS for object detection.	False	ajpaezm	2020-09-25 03:34:57	2020-09-25 03:34:57
implementing surf detection on ros with opencv	False	MOH	2016-04-07 12:39:46	2016-04-07 12:39:46
Opencv 3.1 and ROS indigo?	False	215	2016-04-10 17:27:58	2016-04-10 17:27:58
using cv_bridge and keep header	False	Kreace	2020-10-12 08:33:23	2020-10-12 08:33:23
OpenCV-ROS catkin_make error	False	RGCesar94	2020-10-12 13:06:22	2020-10-12 13:06:22
cv_bridge returns error during cvimage to rosimage conversion	False	rephaxe	2020-10-12 19:01:25	2020-10-12 19:01:25
How I can show features that viso2_ros have founded?	False	Niko	2016-04-20 09:33:46	2016-04-20 09:33:46
How to install ROS on Nvidia Jetson Nano with OpenCV/Cuda ?	False	elpidiovaldez	2020-10-26 19:34:03	2020-10-26 19:34:03
Connecting laser scan data and camera data	False	horczech	2016-04-28 21:23:12	2016-04-30 09:01:30
Converting 2D lidar data to pointcloud	False	horczech	2016-04-29 12:33:50	2016-04-30 08:52:54
The registerCallback is not running	False	soichirutk	2016-04-29 22:26:51	2016-04-29 22:26:51
using opencv with Jade and eclipse.	False	ThaHypnotoad	2016-05-10 23:02:16	2016-05-10 23:02:16
ImportError with Kinetic OpenCV3 and Python3	False	Gregor	2016-05-13 15:38:22	2016-05-13 15:38:22
How to build a vision driven system in ROS	False	ami	2016-05-13 17:14:49	2016-05-13 17:14:49
Launch file to work with opencv?	False	Astronaut	2016-05-16 10:29:04	2016-05-16 10:29:04
Segmentation fault (core dumped) OpenCV	False	mkorkmaz	2016-05-24 11:18:12	2016-05-24 11:18:12
do I have to catkin_make after I git clone the open_cv package in my catkin_ws?	False	Zero	2016-05-27 07:42:45	2016-05-27 08:18:57
How to correctly link opencv3 under ROS Indigo?	False	polar	2016-06-01 05:25:56	2016-06-01 06:26:25
De-noise images in rosbag	False	MrX	2016-06-05 00:25:44	2016-06-05 00:25:44
cannot install ihr_opencv	False	Thang Nguyen	2016-06-07 03:27:45	2016-06-07 03:29:22
Click inside depth image and show value.	False	donald	2016-06-07 06:18:35	2016-06-07 06:18:35
get a depth image using a kinect and openCV.	False	Jluis619	2016-06-08 23:35:58	2016-07-05 08:38:04
web_video_server stream in external application	False	Myzhar	2016-06-10 17:10:38	2016-06-10 17:10:38
2D to 3D conversion using opencv ROS and python and Camera Calibration	False	laurent	2016-06-14 22:20:57	2016-06-14 22:20:57
RLException: unable to launch error while roslaunch	False	sssss	2020-12-09 17:44:40	2020-12-09 17:44:40
how can I get object pose through Kinect using OpenCV in conjunction with ROS Indigo ?	False	Hashir Shafi	2016-07-08 08:59:30	2016-07-08 09:00:21
camera_calibration error related cv2	False	baozhang	2016-07-09 19:39:28	2021-05-21 21:14:49
How to use ROS Indigo Opencv tracker	False	jesst	2016-07-15 08:15:56	2016-07-15 08:18:56
OpenCV Tutorials: Segmentation fault (core dumped)	False	Vinod	2016-07-23 16:25:48	2016-07-23 18:40:34
How to use opencv3 package with indigo	False	jesst	2016-07-24 11:15:22	2016-07-24 11:17:18
Error running catkin_make with DJI_SDK_READ_CAM package	False	Italo	2016-08-01 14:49:29	2016-08-01 14:49:29
cv_bridge may conflict with opencv 3.1	False	Tao_	2016-08-02 07:39:04	2016-08-02 07:39:04
CMakeLists.txt and package.xml files of ros image to cv image conversion	False	syamprasadkr	2016-08-10 17:17:30	2016-08-10 17:17:30
Depth image and opencv	False	Evgenia	2016-08-18 00:04:43	2016-08-18 00:04:43
Kinetic enforces openCV3 throughout the system	False	Georacer	2016-08-26 12:13:25	2016-08-26 12:13:25
cv2.imshow doesnt show picture while calling in a node	False	henoch	2021-03-15 14:32:29	2021-03-15 14:32:29
The pixel depth value (OpenCV image) coming out of zed	False	syamprasadkr	2016-09-16 15:39:07	2016-09-16 15:39:07
Processing image topic outside the Callback function with Python OpenCV	False	murilosantos	2021-04-13 22:16:26	2021-04-13 22:16:26
How to reinstall OpenCV 2.4.8	False	webvenky	2016-10-07 07:11:07	2016-10-07 07:11:07
Sensor image convert and comparision using opencv	False	rasoo	2016-10-17 15:04:20	2016-10-20 13:40:02
Why so many nan values appear when depth image convert to cv::mat	False	roovie	2020-03-16 19:09:26	2020-03-16 19:15:51
Generating and merging point clouds	False	maxerl	2016-10-26 10:45:25	2016-10-26 10:45:25
Visualize pointcloud in ros	False	jtim	2016-10-27 13:28:48	2016-10-27 13:28:48
OpenCV library stdlib.h missing in colcon build of kobuki sim	False	Michael Woodmansee	2021-01-06 02:04:38	2021-01-06 02:04:38
Starting Guide for OpenCV with ROS in Indigo	False	rmrafferty	2016-11-17 22:33:34	2016-11-17 22:33:34
6D pose estimation problem. How to estimate the rotation matrix?	False	espee	2014-01-14 03:36:26	2019-09-12 14:13:53
Grab RTSP stream from ip camera	False	Yehor	2021-06-08 07:16:10	2021-06-08 07:16:10
opencv_catkin make error SURF_CUDA	False	wolfcan	2021-01-10 14:15:10	2021-01-10 14:15:10
Store Published Image into cv2.VideoCapture()-Like Object	False	Pototo	2016-12-07 19:11:30	2016-12-07 19:11:30
cv_bridge in a class leads to segfault when cv_ptr->image is accessed	False	luc	2016-12-13 02:51:21	2016-12-13 02:53:38
catkin_make fatal error opencv2	False	toshibox	2020-09-19 00:54:57	2020-09-19 00:54:57
problem with viso2 "visual odometer got lost"	False	desmond	2014-01-21 00:56:21	2014-01-29 23:02:11
How to send the Mat data via rosbridge?	False	sasadasd	2017-01-14 17:14:01	2017-01-14 17:14:01
Image ROI based on depth information	False	intelharsh	2017-01-20 16:44:30	2017-01-20 16:44:30
Can't seem to get a video feed or printed text from my videoFeed_Listener app	False	sharan100	2017-01-24 15:55:58	2017-01-24 23:16:27
what is best way to use different version of opencv?	False	kyubot	2021-08-19 15:20:05	2021-08-19 15:20:05
image_view can't display 64FC1 images	False	Falcon	2017-02-07 18:13:44	2017-02-07 18:13:44
Image transport very slow when using png compression	False	Jep	2021-08-26 13:04:26	2021-08-26 13:04:26
stereo_image_proc depth values opposite of what they should be	False	2ROS0	2017-02-17 18:16:49	2017-02-17 18:26:40
cv::Point2d as a ROS Message	False	matt27110	2017-02-19 23:10:49	2017-02-19 23:10:49
OpenCV encoding problem depth image	False	Alessio	2017-02-26 22:00:04	2017-02-26 22:00:04
gazebo map on opencv	False	slm	2020-11-26 12:26:02	2020-11-26 12:30:27
ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv_bridge/boost/cv_bridge_boost.so: wrong ELF class: ELFCLASS64	False	sudhan	2021-01-27 16:22:25	2021-01-27 16:22:25
Hand Gesture Recognition - PointCloud to Image	False	lfelipesv	2014-02-04 02:19:31	2014-02-04 02:19:31
RPI3: Trying to cv::imwrite to external usb	False	Agju	2017-03-15 10:01:41	2017-03-15 10:02:17
namedWindow + imshow not showing on the screen	False	sep_vanmarcke	2017-03-22 04:21:58	2017-03-22 04:22:28
human pose estimation from a bag file	False	Rai	2017-03-26 08:39:46	2017-03-26 08:39:46
cvbridge ARDrone	False	DroneDrengen	2017-03-29 08:54:44	2017-03-29 08:54:44
opencv ros tutorial renders no image on "image window"?	False	sam26	2017-04-03 10:37:51	2017-04-03 10:49:13
How can I debug this OpenCv/gstreamer issue ?	False	elpidiovaldez	2023-02-25 14:19:47	2023-02-25 14:19:47
hi I need to inverse the two color BackgroundSubtractor	False	lolo	2017-04-18 22:09:53	2017-04-18 22:12:19
Hardware Setup for Slam and OpenCV	False	Timo1804	2017-04-20 17:29:25	2017-04-20 17:29:25
segmentation fault core dumped !!	False	zubair	2017-04-26 14:51:01	2017-04-26 14:51:01
opencv-4.2.0 source-based installation is not used to compile rtabmap_ros	False	Spartan_007	2021-11-25 13:46:37	2021-11-26 07:39:12
Faking Xtion to convert depth and rgb to point cloud.	False	Maya	2014-10-30 22:39:10	2014-11-06 01:24:38
Processing time differs when used ros topic as input for disparity computation	False	mkreddy477	2017-05-03 09:04:09	2017-06-28 11:48:22
Multiple-thread ROS node crashes on exit when using visualization libraries	False	Bo Li	2017-05-10 04:11:41	2017-05-10 04:11:41

Title	Answers	Answered?	Asker	Created	Updated
Conversion of RGB8 depth encoding to 32FC1	1	False	KNTRL	2021-12-22 15:09:33	2021-12-23 17:20:17
upgrade opencv version in melodic	2	False	danekim	2022-01-14 01:15:34	2022-01-15 16:38:22
camshift Python example not working with kinetic	1	False	burtbick	2017-06-15 14:47:29	2017-06-16 21:11:20
ros-kinetic is blocking my new opencv install	1	False	cerebraldad	2019-06-05 12:48:37	2019-06-06 07:07:05
Conversion from 32FC1 to mono8 using cv_bridge	2	False	jeanpolochon	2017-07-05 09:26:33	2017-07-05 13:01:49
ROS2: How to publish cv Mat image?	1	False	zjeffer	2022-03-07 13:31:31	2022-03-07 13:31:31
Unable to install ROS2 Galactic after building OpenCV from source	1	False	sisaha9	2022-04-20 03:15:54	2022-04-20 06:33:53
Use local library (i.e. OpenCV, Image transport)	2	False	camilo.chiang	2022-04-23 07:40:58	2022-04-23 14:52:23
how can i capture an image from camera using opencv c++ code in ROS ?	1	False	omar1995	2017-08-11 08:04:56	2017-08-11 11:38:48
Using image callback and videocallback OpenCV Kinetic	1	False	DAC31415	2017-08-13 02:30:43	2017-08-13 05:08:11
Beginner question: OpenCV Error: Assertion failed, Ros	1	False	hnb	2022-05-05 12:00:35	2022-05-08 16:43:32
How can I show a set of 2D coordinates detected by opencv in rviz	1	False	siweiguo	2017-08-21 22:19:40	2017-08-22 02:40:29
interpolate function in util2d -- what is special about the way bilinear interpolation is implemented?	1	False	TurBot	2022-05-19 12:48:36	2022-09-05 19:25:34
For dynamic reconfiguration, which is the main file?	1	False	MukulKhanna	2017-09-05 14:56:19	2017-09-05 17:50:12
Drone Line Follower	1	False	mikerosz	2017-09-16 15:42:22	2017-09-16 18:11:37
How to tell Catkin_make to use opencv with gpu?	2	False	k_totoro	2017-10-12 06:58:59	2017-10-17 23:43:29
error: variable cv::cuda::GpuMat has initializer but incomplete type	1	False	WLemkens	2017-10-29 10:06:06	2017-11-04 17:15:54
Using opencv tracking with ROS kinetic	1	False	VAVROS	2017-11-14 07:30:36	2017-11-22 08:46:10
ImportError: libopencv_core.so.4.2:cannot open shared object file no such file or directory	1	False	huhahaha	2022-11-03 02:57:01	2022-11-03 11:48:45
ROS package for detecting gazebo actors from above?	1	False	rezenders	2020-05-14 14:47:06	2021-03-12 10:29:37
ROS node to send USB camera frames appears to affect TF tree & Nav2 and cause delays on Turtlebot3. Any suggestions?	1	False	Reuben	2022-12-30 13:30:29	2023-01-05 12:30:23
point grey camera withe jackal	1	False	rsmitha	2018-02-22 17:49:44	2018-02-23 09:53:51
sensor_msgs - Can't build tutorial project	2	False	dharmaforone	2018-03-15 00:01:36	2018-03-18 13:37:41
image stream using camera	1	False	Firoooo	2018-03-21 10:16:05	2018-04-03 22:25:36
undefined reference to `StitchedMap::get_stitch()'	1	False	LokJai	2018-03-31 12:39:04	2018-03-31 14:43:20
Identify the white section of a binary image	1	False	jashanvir	2014-04-24 08:51:14	2014-04-25 06:07:04
ROS Segmentation fault (core dumped)	1	False	SGpedro	2018-04-04 14:26:12	2018-04-09 00:17:05
get depth image from zed camera	1	False	abdelkrim	2018-04-10 13:24:09	2018-05-07 06:32:42
Configuring OpenCV 3.3.1 with ROS kinetic	1	False	Ajay	2018-05-12 08:37:44	2018-05-12 11:25:57
Real time Image topic subscription	2	False	erivera1802	2018-05-16 17:17:28	2018-05-18 09:10:08
Catkin_make failed to build opencv	1	False	Petros ADLATUS	2022-04-01 08:23:14	2022-04-01 12:29:02
Kinetic: cv_bridge unresolved reference to toImageMsg()	1	False	nullptr	2018-06-06 09:07:49	2018-06-06 11:16:04
Displaying openCV's windows	1	False	AntKa	2014-05-08 16:03:33	2014-05-08 16:09:26
How to stream video to multiple computers?	1	False	adhipatiunus	2018-06-21 02:59:35	2018-06-21 08:17:18
Using camera calibration results in OpenCV	1	False	Mikhail K.	2018-06-21 05:56:38	2018-06-23 03:02:08
How to save video stream ?	2	False	earcz	2018-12-25 20:43:11	2018-12-26 21:39:52
How do I get back opencv 2.4 after installing ROS?	2	False	tilyevsky	2018-07-14 21:23:35	2018-07-16 15:14:23
Working in OpenCV3 with ROS images [Kinetic]	1	False	Dylan	2018-07-17 22:19:28	2018-07-18 06:54:21
Streaming RGB with asus and using houghlines algorithm	1	False	Azl	2014-08-05 07:17:35	2014-08-05 08:10:51
Unknowable bug on "ROS_INFO", Bus error and Segmentation fault	1	False	harderthan	2018-08-20 09:23:19	2018-08-21 02:41:15
cvblob and cvBlobsLib	1	False	perr0	2012-08-24 20:58:38	2012-08-26 07:15:09
Where do we have to run cv_bridge code? Please help, I'm a beginner	1	False	mskn	2018-10-02 09:44:27	2018-10-02 10:53:12
calibrating virtual camera	1	False	ashkan_abd	2018-10-08 17:31:32	2020-05-28 20:30:44
ModuleNotFoundError: No module named 'cv_bridge' IN windows10 running foxy	1	False	aniketwagh	2021-11-21 13:48:14	2021-12-09 13:11:22
OpenCV camera rvec tvec to ROS world pose	3	False	veilkrand	2019-02-06 05:43:47	2021-06-28 04:04:07
Depth Value Extraction from Image Encoding for ASUS Cameras - 32FC1?	1	False	Mary.Hewitt	2017-09-20 01:15:08	2021-09-09 16:48:40
How to add cvblob_DIR for find_package?	1	False	zweistein	2013-02-26 14:30:36	2013-03-05 14:34:38
Save an image during the subscription	1	False	ROSkinect	2014-07-24 13:13:28	2014-07-24 13:52:05
error: cannot convert cv::Mat to const CvArr* - Video from ROS node to OpenCV	1	False	mateo_7_7	2013-03-01 09:25:04	2013-03-11 10:52:25
imwrite error	3	False	ROSkinect	2014-07-25 14:02:00	2014-07-29 08:45:13
ROS unable to find opencv libraries	1	False	AdrianPeng	2013-03-03 15:32:07	2013-03-04 11:30:18
cvflann problem in rgbdslamv2	3	False	dlxhrl	2014-07-30 03:46:06	2015-06-21 15:03:21
sensor_msgs::CvBridge has not been declared	1	False	Azl	2014-08-07 02:13:39	2014-08-07 09:13:10
Getting uEye camera to interface with Aruco / OpenCV	2	False	hdejarnette	2014-08-18 19:12:28	2015-07-08 22:26:55
ImportError: No module named cv_bridge	1	False	Gideon	2014-08-20 01:06:46	2014-08-20 01:36:48
Raspian Image contribution	2	False	MartinHummel	2014-08-20 18:24:23	2014-08-20 19:17:07
Can't install ros-kinetic-opencv3	1	False	Yash	2019-04-25 18:35:48	2019-08-15 16:30:31
Questions about openCV installation and tutorial	2	False	Andromeda	2014-08-24 09:25:54	2014-08-25 06:10:56
failure when using self-build opencv	1	False	yangyangcv	2013-04-11 05:57:52	2014-11-23 20:00:15
compile with different opencv	2	False	rnunziata	2017-10-05 22:44:14	2017-10-06 15:38:12
Why cv_bridge uses opencv3.2 in ros melodic?	1	False	GeorgeG	2019-05-23 20:20:52	2019-06-01 10:35:51
Error while linking OpenCV	2	False	roleiland	2013-05-06 03:33:21	2016-03-13 20:57:06
Can't process image using cv_bridge	1	False	E. Sununs	2013-05-06 06:20:55	2016-06-17 14:27:24
CV GPU Support without losing cvBridge and image_transport	1	False	szutshi	2013-05-06 12:13:05	2014-01-07 10:16:37
Use older verisions of OpenCV with Groovy?	1	False	ryeakle	2013-05-12 17:31:33	2013-05-13 20:52:12
How to realize image processing with ROS and opencv	2	False	anthonyli	2013-05-28 17:13:13	2013-06-24 23:11:14
Install opencv_contrib Tracking package	2	False	Markus	2017-10-12 09:12:34	2017-10-12 14:03:46
Is there any point in using image_transport republish instead of using CompressedImage in Python?	1	False	basheersubei	2014-10-26 04:51:53	2016-09-08 06:35:35
OpenCV2 under Groovy not compiling	2	False	Ruud	2014-10-26 16:58:18	2014-10-26 20:07:30
I cannot install ROS Kinetic desktop following the tutorial.	1	False	FPSychotic	2019-07-11 19:25:32	2019-07-12 16:49:28
ros indigo and opencv 3.0	1	False	meleagrosy	2014-12-07 10:30:43	2014-12-08 05:39:07
Is it possible to convert depth messages as Ipl image using CvBridge	1	False	shravan	2014-12-17 05:00:07	2014-12-18 17:43:42
AR DRONE 2.0 Tracking	2	False	huevos	2014-12-17 15:30:58	2014-12-18 12:36:39
Black image for an Image publisher with image_transport	1	False	Alexandre.Willame	2015-01-04 20:45:15	2015-01-05 07:17:10
Building OpenCV from source for ROS	1	False	mogumbo	2019-07-01 20:29:53	2019-07-02 01:04:32
problems in writing to a file	1	False	vinoth_murali	2015-01-29 18:17:43	2021-03-09 08:21:50
Help in making node with OpenCV/cv_bridge and ROS Indigo	1	False	Juan	2015-02-10 08:59:49	2016-01-19 22:29:43
How do I start with programming the AR.Drone quadrotor in ROS using openCV?	1	False	j_0101	2013-08-20 18:06:03	2013-08-21 06:24:49
Problem when compiling OpenCV with ROS	3	False	RuiH	2015-03-21 07:16:17	2016-05-23 02:00:32
How to add cv_bridge and image_transport package to compile in Raspberry Pi?	1	False	aknay	2015-03-25 11:45:17	2015-03-26 12:19:51
OSX indigo opencv linking problem (cv_bridge, image_view)	1	False	Mike Shomin	2015-03-26 18:54:07	2015-03-26 22:12:36
Slam_gmapping prob with lidar and image data	1	False	arvind	2014-05-15 12:50:54	2014-05-15 16:06:48
Problem building package that needs opencv	2	False	Brad	2013-11-11 16:28:20	2014-05-13 01:55:56
"ReInstalling" openCV after installing ROS	1	False	Diego	2015-03-30 19:23:49	2015-03-30 20:59:37
undefined reference to symbol 'cv::cvtColor(cv::_InputArray const&, cv::_OutputArray const&, int, int)'	1	False	vincentweisen	2015-03-31 13:31:30	2015-05-04 16:16:52
Unable to view camera output while using cv_bridge	1	False	Anand	2015-04-09 18:06:17	2015-04-24 20:00:11
Using custom build OpenCV with cuda enabled	1	False	AR13	2019-11-21 00:54:32	2019-11-22 00:10:15
calcOpticalFlowPyrLK and goodFeaturesToTrack doesn't work properly	1	False	215	2015-04-20 00:39:00	2015-04-20 21:04:03
problem in displaying an image	1	False	Abinaya	2014-03-24 20:24:29	2014-05-11 22:04:14
Showing image with 2 channels	1	False	RosFan19	2015-04-30 20:13:28	2015-05-01 00:27:56
Not able to publish image to std_msg/Image	1	False	TristanNoctis	2019-08-02 16:43:40	2019-08-02 17:19:13
Passed senesor_msgs Image getting distored while displaying by openCV	1	False	rosqueries	2013-09-12 07:58:22	2013-10-15 13:15:41
movement detection in ROS	1	False	Diego	2015-05-26 13:09:57	2015-05-27 08:48:46
ROS Python Save Snapshot from Camera	1	False	jbak9141	2015-06-01 11:51:39	2015-06-02 15:20:23
OpenCV version used by RGBD_SLAM package	1	False	Raman	2015-06-03 13:16:20	2020-03-13 15:24:11
How do I use nonfree opencv Libraries in ROS	1	False	erivera1802	2015-06-06 05:22:49	2015-06-06 13:19:26
face_detector not detecting with RGBD camera	2	False	Pinchi	2015-06-07 14:58:31	2015-09-01 21:55:20
What is the package in Indigo supports webcam in laptop?	2	False	Kishore Kumar	2015-06-09 11:11:47	2015-06-11 08:30:26
What are all the packages available for visual SLAM?	1	False	Kishore Kumar	2015-06-11 10:30:19	2015-06-16 05:10:19
Sensor msg to an opencv image	1	False	idkm1	2015-06-12 13:23:21	2015-06-12 14:22:48
rtabmap: g2o, GTSAM	2	False	june2473	2020-02-03 07:31:28	2020-02-03 23:27:18
Where do I save an Image for calling it with cv::imread	1	False	erivera1802	2015-06-26 19:58:00	2015-06-26 22:52:12
How to publish images quickly	1	False	troman	2015-06-27 19:05:54	2015-06-29 22:12:24
Error in Publish	1	False	GGR007	2020-02-08 17:30:19	2020-02-08 17:35:15
Opencv Error	1	False	GGR007	2020-02-09 21:32:25	2020-02-11 00:52:43
CvBridge conversion problem: Asus Xtion depth image to OpenCV	2	False	WillAndrew	2015-07-02 11:24:55	2015-07-04 09:31:18
How can I publish I420 image data as sensor_msgs/Image? (Image transport plugin)	1	False	JeyP4	2020-02-11 20:18:54	2020-09-02 04:38:43
What is the exact format and size of Image() object?	1	False	Tejas Rao	2021-08-24 10:12:59	2021-08-24 10:35:25
At an impasse using OpenCV	3	False	chilypepper	2015-07-03 19:46:01	2016-03-25 14:38:26
How to build an object following robot using ROS?	1	False	Kishore Kumar	2015-07-06 12:59:09	2015-07-06 23:36:34
Kalman filter of opencv doesnt work in ROS	1	False	erivera1802	2015-07-07 21:56:35	2015-07-12 10:37:03
Intel Realsense D435 intrinsic parameters.	1	False	Brolin	2020-10-12 10:00:12	2020-10-13 12:02:42
OpenCV Error: Assertion failed (scn == 3 \|\| scn == 4) in cvtColor	1	False	jahim44229	2020-02-20 08:49:57	2020-06-11 02:55:41
catkin_make opencv version conflict.	1	False	jahim44229	2020-02-20 09:10:20	2020-02-20 14:22:08
Dynamic Gesture Recognition With Kinect On Groovy	1	False	Zayin	2013-09-24 10:18:55	2013-09-26 05:22:59
catkin_make error: CV_INTER_LINEAR was not declared in this scope	2	False	wsAndy	2015-07-18 01:50:13	2021-02-08 12:21:41
2D image point to 3D	2	False	nwanda	2015-07-20 10:34:50	2015-07-21 12:21:08
Opencv 3.0 Assertion failed	1	False	tuuzdu	2015-07-31 09:43:13	2015-07-31 15:54:23
Package for TLD algorithm in indigo	1	False	Kishore Kumar	2015-08-08 19:57:22	2015-08-09 12:04:11
How to get OpenCV 4 working with ROS Melodic?	1	False	wgengland	2020-03-24 18:19:37	2020-03-25 02:36:19
Is there a way to publish a video file so it can be displayed with a camera display in RViz? (solved)	2	False	Fetzle	2020-01-21 09:22:05	2020-01-21 14:10:14
ROS example program doesn't work with the Laptop webcam	2	False	karthik_puzzle	2015-09-25 08:49:23	2015-09-26 12:13:33
How to use/install OpenCV with Indigo?	1	False	andrestoga	2015-10-14 02:43:05	2015-10-14 07:15:05
How to use opencv-contrib modules in ROS Indigo?	1	False	donald	2015-10-23 16:07:59	2016-06-24 10:19:50
OpenCV in ROS indigo	1	False	Alvaro Salcedo	2015-11-06 15:30:54	2016-03-11 14:27:38
Setting up Catkin Baxter Environment Error - INDIGO	2	False	veyorokon	2015-11-24 04:45:35	2015-11-24 20:48:56
Convert CameraInfo K & D to OpenCV format convenience functions?	1	False	lucasw	2022-10-24 13:24:57	2022-10-24 16:12:24
How I can run contour_moments.cpp OpenCV example?	1	False	G212	2015-12-13 00:48:00	2017-04-10 14:14:31
what is the first step of doing image processing with ROS?	3	False	fatima	2015-12-18 14:26:04	2016-01-22 18:39:48
Where's the install location of the ROS indigo's opencv	1	False	Milton	2015-12-19 04:36:44	2015-12-19 19:29:11
message_filters::sync::ApproximateTime does not work properly	1	False	Gren8	2016-01-11 20:13:33	2016-01-11 22:34:11
CvBridgeError: [8SC1] is not a color format. but [mono8] is. The conversion does not make sense	1	False	MonacoMan103	2016-01-18 17:58:49	2016-10-19 00:28:37
Problems integrating OpenCV with ROS Indigo	1	False	Raiden	2016-01-19 21:38:24	2016-01-19 22:14:11
Multiple static target position estimate	1	False	nvoltex	2016-01-22 18:11:55	2016-01-22 20:54:44
catkin_make not linking opencv dependencies	3	False	zqpm	2016-01-26 16:01:38	2016-01-27 17:55:39
Book: Learning ROS for Robotics Programming 2nd Edn; Chapter 5 homography.cpp:16:39: fatal error: opencv2/nonfree/nonfree.hpp: No such file or directory	1	False	Dr Abdul Mannan	2016-01-29 02:35:29	2016-02-02 03:53:08
Convert cv_bridge Image to cv::Mat image	1	False	user23fj239	2016-02-03 17:07:17	2016-02-03 17:57:17
How do the YAML Parameters relate to Pinhole-Model	1	False	user23fj239	2016-02-08 16:14:18	2016-02-17 17:23:44
How can I convert the KITTI dataset into a bag file?	1	False	laloSH	2020-07-22 18:27:42	2020-07-22 20:18:38
IDE for ROS (kinetic) code debugging	1	False	Ajay	2018-05-16 08:03:12	2018-05-16 17:00:52
Getting coordinates through comparing .pgm files using opencv	1	False	Avonic	2016-02-27 16:29:01	2016-02-28 04:09:15
Problem with converting image from depth to grayscale	1	False	prasanna.kumar	2013-11-03 21:36:02	2014-02-25 22:17:28
Do all of the OpenCV functions work fine on ROS?	1	False	Henschel.X	2016-03-10 11:36:29	2016-03-10 14:10:21
Installing standalone OpenCV?	1	False	cognitiveRobot	2013-11-05 06:02:14	2014-05-13 01:51:21
Problem of using Turtlebot to process image.	1	False	Henschel.X	2016-03-15 07:46:12	2016-03-15 10:33:17
How to work with kinect frames in RGB color format using cvbridge	1	False	SM	2013-11-07 20:26:13	2014-01-17 09:04:43
Which single board computer should I chose?	3	False	baseroguzhan	2016-03-26 11:43:19	2016-03-29 13:27:40
Error in using cv_bridge: communication ROS - OpenCV	1	False	mateo_7_7	2013-04-08 08:17:09	2014-03-24 13:04:53
Ros and OpenCV waitkey for imshow?	1	False	215	2016-03-28 05:33:08	2016-03-28 14:22:08
trying to do surf detection	1	False	MOH	2016-04-12 11:20:05	2016-04-12 14:32:10
camera calibration error	1	False	MOH	2016-04-19 15:05:24	2016-04-27 20:08:56
RGBDSLAM v2 errors on catkin_make	1	False	KaiserUDM	2016-05-01 01:59:27	2016-05-02 11:25:42
publish and subscribe to numpy.ndarray topic in ROS2	1	False	Kreace	2020-11-02 16:33:48	2020-11-02 19:39:41
How to start using OpenCV and ROS	2	False	Astronaut	2016-05-10 07:19:09	2016-05-16 11:32:14
How to link opencv to ROS indigo (catkin) with CMake (ubuntu 14.04)?	2	False	polar	2016-05-17 11:43:04	2016-05-19 08:35:57
Catkin OpenCV segmentation fault (core dumped)	1	False	acajic	2016-05-21 09:12:54	2016-05-21 13:02:14
Catkin_make doesn't recognize $(OpenCV_LIBRARIES)	2	False	acajic	2016-05-21 13:01:39	2016-05-22 21:16:56
Has anyone used the KalmanFilter Opencv libraries inside ROS?	1	False	erivera1802	2015-07-16 22:26:10	2015-07-17 06:20:39
Could not find a package configuration file provided by "opencv2"	1	False	spkulgod@gmail.com	2016-05-27 11:00:49	2016-05-27 17:37:38
Can't visualize image in opencv. what is problem?	1	False	dinesh	2016-06-07 07:54:34	2016-06-07 16:33:30
Opencv installation, usage with and without ROS	2	False	syamprasadkr	2016-06-07 17:26:53	2016-06-07 20:31:44
How to use ROS gscam to get grayscale image	1	False	PaulYang	2013-12-01 10:20:11	2014-11-23 19:55:45
I need help with an error when run an OpenCV program	1	False	Thang Nguyen	2016-06-18 23:45:02	2016-06-19 02:39:51
Image encoding problem	1	False	apalomer	2016-07-04 17:54:47	2016-07-04 17:56:59
How to configure my node/computer for processing	1	False	gup_08	2021-02-05 00:09:32	2021-02-05 03:12:44
Ros-opencv after few computations cannot see the image	1	False	orhan	2016-07-22 13:09:36	2016-07-22 20:43:47
How to calculate the distance to object with orbbec astra camera	1	False	Yehor	2019-03-24 09:39:41	2019-03-25 19:55:20
using OpenCV to do image process	1	False	Zero	2016-07-27 08:00:03	2016-07-27 08:22:20
py-faster-rcnn network detection runs on CPU through ROS callback function	1	False	WillAndrew	2016-08-03 11:45:58	2016-08-04 10:27:15
How to change OpenCV version of any ros package?	1	False	jahim44229	2020-03-09 09:51:50	2020-03-09 14:57:30
display a 16-bit grayscale images from a thermal camera in OpenCV	1	False	Khalaf90	2019-04-15 08:22:04	2019-10-15 22:26:54
2D Face Detection?	1	False	TravisLlado	2016-09-23 17:06:15	2016-09-24 08:17:13
How can i get object distance using camera/depth/image_raw	2	False	rasoo	2016-10-20 11:31:43	2021-06-25 06:33:13
Find intrisic camera matrix from gazebo model	1	False	xavier12358	2021-04-28 09:16:58	2021-04-29 14:58:11
Drawing Bounding Box for a rotated object	1	False	ramanan1991	2016-11-03 14:14:27	2016-11-03 15:34:19
Writing a Simple Image Publisher (C++) tutorial Segmentation Fault	1	False	FAD0	2016-11-27 20:52:28	2016-11-29 13:41:08
How to use a service to make a snapshot?	1	False	fnando1995	2019-06-12 15:19:22	2019-06-21 14:32:38
Finding OpenCV Paths in ROS Builds	1	False	David Lu	2021-01-12 03:41:22	2021-01-12 16:29:06
Problem even catkin_make'ing my ROS Images to OpenCV node -- Library issues?	1	False	ateator1	2016-12-16 19:11:30	2017-01-22 07:57:12
Noise Image_raw from video stream	1	False	tn0432	2016-12-17 19:50:30	2016-12-18 05:37:31
republish image from rospy node to roscpp node	1	False	Pototo	2014-01-21 03:23:22	2018-09-18 01:34:53
OpenCV and ROS2	1	False	mintybim	2021-07-22 18:45:42	2021-07-23 22:55:04
How to fix cvbridge vs Ros problem	1	False	quyetbui	2021-08-03 15:16:08	2021-08-04 11:04:18
Aruco detect package	1	False	droneman1	2021-08-16 05:10:38	2021-08-16 08:40:08
Send a video from ROS to OpenCV app.	1	False	Zig	2017-02-22 23:21:05	2017-02-23 06:43:12
New in ROS - sensor_msgs/image in openCV	1	False	Shaarkrat	2018-10-03 14:41:49	2019-02-01 03:30:24
OpenCV3 - Install extra-modules ROS Kinetic	1	False	matt27110	2017-03-06 18:36:50	2017-04-06 15:08:02
question on Converting between ROS images and OpenCV images (C++)	1	False	v.leto	2021-12-06 20:13:53	2021-12-07 21:58:09
opencv with ros kinetic	1	False	bennypi	2017-03-13 10:00:45	2017-03-14 04:46:37
Common Map Creation method	2	False	jacklu333333	2021-10-05 07:30:04	2021-10-05 23:52:20
Python OpenCV namedWindow and imshow freeze	1	False	UllusParvus	2017-03-20 20:04:26	2017-10-09 10:29:11
Kinetic error: opencv2/core/core.hpp No such file or directory	1	False	Stoerakustik	2017-03-27 09:02:34	2017-06-23 20:47:16
opencv for hydro medusa	2	False	deepak.shankar94	2014-02-08 14:08:08	2014-02-09 18:33:34
how to convert cpp program to ROS	1	False	zubair	2017-04-12 08:48:17	2017-04-12 13:46:25
Problem Listener with	1	False	icarold	2017-04-12 14:35:38	2017-04-13 06:44:51
Skip OpenCV in ROS Kinetic install?	1	False	cjk11091	2019-10-02 02:50:13	2019-10-04 13:02:55
convert pixel values to meters	2	False	zubair	2017-04-18 13:38:38	2017-04-19 10:46:51
Is it possible to merge multiple Kinect streams using vision_opencv?	1	False	Athoesen	2014-02-11 17:07:34	2014-02-11 17:29:41
transform (x,y,z) coordinate from kinect to /map frame using tf	1	False	cluelessnigerian	2017-04-19 15:55:36	2017-04-19 20:13:02
ROS Nodelet receive and processing in parallel	2	False	Mondi	2017-04-20 11:06:30	2017-04-22 13:56:08
Dealing with matrices: Eigen vs OpenCV	1	False	alextoind	2015-09-22 17:55:18	2015-09-24 00:48:23
help building cpp opencv app with ROS	1	False	burtbick	2017-04-20 18:35:05	2017-04-21 19:04:29
New problem linking OpenCV Indigo Cplusplus node	1	False	burtbick	2017-04-23 16:30:25	2017-04-24 01:36:31
pcl contains x y and z values as nan !!	1	False	zubair	2017-04-27 08:22:37	2018-05-09 08:32:33
what is core !!	1	False	zubair	2017-05-03 15:25:05	2017-05-03 17:01:16
error in adding extra module in opencv	1	False	zubair	2017-05-05 08:42:11	2018-07-29 02:07:09
How can I install Python package opencv-contrib-python using rosdep?	1	False	davide.cremona	2021-12-14 13:02:25	2021-12-14 17:24:02
Noetic python raw Image publisher (from video)	1	False	USAotearoa	2021-12-15 05:53:54	2021-12-15 07:42:01
Transport Image tutorial issue: subscriber doesn't show image	1	False	Hysis	2017-05-15 14:57:17	2017-05-16 07:43:16
Image overlay with transparency (sensors_msg/Image) on mapviz	1	False	rwong	2018-10-15 07:51:30	2018-10-16 11:53:51
link to opencv2 in kinetic	1	False	mikegao88	2017-05-17 22:10:16	2017-05-18 02:07:01

Title	Answers	Answered?	Asker	Created	Updated
What is the best way to record RGB and Depth data from a Kinect using Openni?	2	True	rse101	2014-02-22 22:04:10	2014-03-02 14:40:52
add local opencv to path	1	True	ashwath1993	2017-06-19 13:46:12	2017-07-12 08:24:22
red colour detection	1	True	deepak.shankar94	2014-02-27 02:44:50	2014-02-27 03:15:57
Undefined reference to cv::Feature2D::compute	1	True	Marcus Lopes	2013-12-12 22:04:57	2013-12-13 14:57:10
Opencv no rule to make target	2	True	syamprasadkr	2016-08-03 16:28:40	2016-09-30 20:46:59
CMake detects intended OpenCV+CUDA, but runtime does not use intended OpenCV version	1	True	MrOCW	2022-05-02 10:00:28	2022-05-02 10:31:44
what is the use of " .format(**config)) "	1	True	MukulKhanna	2017-09-05 15:54:11	2017-09-05 22:40:48
ros-fuerte cannot find opencv package	1	True	Latif Anjum	2014-03-14 10:05:59	2014-03-14 11:51:20
YUYV/YUV422 in image_transport	1	True	Tonu Samuel	2011-04-09 05:29:30	2011-04-09 20:20:02
OpenCV camshift.py sample broken after Diamondback upgrade	1	True	Pi Robot	2011-04-14 06:27:10	2011-04-14 12:45:59
Why are corners not detected in images with chessboard fiducials?	1	True	Julius	2011-04-26 06:35:52	2011-06-17 15:55:18
Putting a sensor_msgs/Image into a message, getting it back, and converting it for OpenCV?	1	True	Murph	2011-05-01 16:56:34	2011-05-02 09:45:09
Camera pose calibration with multiple camera's	2	True	Steven Bellens	2011-05-03 02:05:14	2011-05-03 10:33:31
How to use very latest OpenCV version in ROS?	1	True	Julius	2011-05-05 09:41:34	2011-05-05 11:16:09
kinect opencv	2	True	dinect	2011-05-05 11:58:54	2011-05-05 12:49:52
Working package for fiducial pose recognition?	2	True	Billy	2011-05-06 23:26:33	2011-05-16 18:21:41
bgr2hsv oddity	1	True	sneiman	2011-05-10 03:52:22	2011-05-14 14:56:25
ROS, Camera1394, and libusb issue	2	True	Bradley Powers	2011-05-16 16:46:03	2015-11-20 04:43:47
Scores of tod_detecting / tod_training in "Solutions in Perceptions Challenge 2011" , details available?	1	True	Julius	2011-05-21 03:04:14	2011-06-17 16:16:42
Is OpenCV compatible with pyqt?	3	True	Shamma	2011-05-25 01:09:40	2011-09-02 03:08:19
How to display CV_32FC2 images in ROS	2	True	tom	2011-05-26 01:16:44	2011-06-01 05:39:44
Convert from a sensor_msgs::CompressedImage message to IplImage	2	True	GeorgeAprilis	2011-05-27 15:58:28	2011-05-30 07:02:01
OpenCV Error: Image step is wrong () in cvInitMatHeader	1	True	ccm	2011-05-29 23:55:13	2011-05-30 09:09:47
Cannot play AVI files with Diamondback Debian OpenCV	1	True	Pi Robot	2011-05-30 10:59:03	2011-05-30 11:20:13
Proper source of xncore for compiling svn opencv with openni support?	1	True	lucasw	2011-06-01 15:52:36	2011-07-15 14:40:46
Opencv python LineIterator returning position information?	1	True	Marrok	2011-06-04 12:58:56	2011-06-04 13:01:52
OpenCV VideoCapture Not Working in Diamondback?	3	True	dkst	2011-06-05 07:21:12	2011-06-20 10:49:32
OpenCV modification and re-compiling	1	True	Myzhar	2011-06-09 07:07:53	2011-06-09 09:41:59
How to synchronize image and marker display between two ROS nodes	1	True	Pi Robot	2011-06-10 07:51:00	2011-06-10 18:59:12
OpenCV can't be used in ROS	1	True	Yongqiang Gao	2011-06-11 03:50:00	2011-06-12 02:52:44
No accelerated colorspace conversion found	1	True	rajat	2011-06-15 04:26:19	2011-06-17 16:33:00
Speeding up OpenCV on ARM?	6	True	Bradley Powers	2011-06-15 16:02:29	2013-02-22 03:49:18
TypeError: is not a numpy array in pi_head_tracking_tutorial	1	True	Pi Robot	2011-06-17 07:27:09	2011-06-17 07:32:40
OpenCV Morphological Skeleton?	1	True	Bradley Powers	2011-06-25 17:45:22	2011-12-19 11:53:39
cvAlign Question	1	True	Kirielson	2011-06-30 13:27:57	2011-06-30 14:08:16
Iterate points for OpenCV's Line function	2	True	Kirielson	2011-07-02 11:37:39	2011-07-06 12:15:31
opencv pixel locations	2	True	Bradley Powers	2011-07-18 09:31:50	2011-07-18 12:13:29
cvCaptureFromCAM	1	True	robwa	2011-07-25 17:51:16	2011-07-26 01:12:28
camera kinect/video	1	True	robwa	2011-07-26 15:26:13	2011-08-02 16:35:19
OpenCV circles grid calibration	1	True	Chad Rockey	2011-07-27 12:28:56	2011-09-02 16:23:05
trouble building opencv on fc15	1	True	Dan Lazewatsky	2011-08-04 09:21:37	2011-08-04 11:06:06
OpenCV in Electric	1	True	JediHamster	2011-09-03 10:17:12	2011-09-04 09:23:39
openvc/cv_bridge encoding	1	True	Aditya	2011-09-21 14:56:20	2011-09-22 13:21:10
Electric eigen dependency	1	True	Aditya	2011-09-23 09:45:20	2011-09-23 10:25:35
Failed package compiles: can't find opencv on debian (ros electric)	1	True	Joris	2011-09-29 03:44:10	2012-04-17 06:02:35
Get IR stream from kinect	4	True	Deby85	2011-10-18 01:54:14	2013-02-02 18:54:38
ROS with standalone OpenCV library	1	True	noonv	2011-10-24 05:09:54	2011-10-24 05:54:20
Solve conflict between Ubuntu libcv2.1 and ROS libopencv2.3	4	True	AHornung	2011-10-26 08:54:35	2012-03-04 12:01:32
Face Detection Parameters in Electric	1	True	David Lu	2011-10-26 09:32:20	2011-10-27 12:39:48
cv_bridge and OpenCV 2.3.2	2	True	noonv	2011-10-31 02:09:46	2011-11-01 22:53:46
Overriding deb dependencies	1	True	moeter	2011-10-31 03:40:59	2011-10-31 10:45:37
'Illegal instruction'	3	True	jansvec	2011-11-07 02:07:27	2011-11-12 15:33:36
"Illegal Instruction" when using "image_view" with theora.	1	True	Filipe Jesus	2011-11-09 11:26:23	2011-11-14 13:37:46
ros with open cv	1	True	vivek	2011-11-09 21:14:06	2011-11-10 03:21:44
videowriter	0	False	naleemom	2011-11-10 20:33:33	2011-11-10 20:33:33
Unmet dependencies in ros-electric-desktop-full installation	3	True	esha_umn	2011-11-11 19:52:13	2011-11-13 14:31:13
about compiling opencv programs outside ROS	4	True	MichaelHsu170	2011-11-11 20:24:39	2011-11-14 10:39:30
Using FindOpenCV.cmake with libopencv2.3-dev	1	True	Aditya	2011-11-13 18:18:57	2011-11-14 02:20:07
libopencv2.3-dev conflict Ubuntu 11.10 32-bit	1	True	MichaelHsu170	2011-11-15 04:39:21	2011-11-15 17:34:08
Detect red color with my camera openCV c++	1	False	sergiosam101	2017-10-26 03:52:12	2017-10-26 05:57:43
cannot detect file - file path problem?	2	True	Tuan	2011-11-23 16:59:41	2014-05-25 03:07:59
compiling a project based on OpenCV in ubuntu	1	True	Belal	2011-11-25 15:11:18	2013-01-20 05:15:13
opencv distance transform	2	True	Aditya	2011-12-16 18:12:44	2012-04-10 07:58:48
Conflict with system library opencv 2.3 and ROS library opencv 2.2 in Diamondback?	1	True	frferrara	2011-12-20 09:30:06	2011-12-29 11:42:58
OpenCV Error: Image step is wrong () in cvInitMatHeader	3	True	wyosae67	2012-01-26 16:32:24	2012-01-27 07:51:08
Is this the right approach for modelling a simple scene in 3d out of 2 images?	1	True	Fobi	2012-01-27 19:47:06	2012-02-10 20:02:28
problem with opencv and cv_bridge	1	True	metal	2012-02-02 01:56:24	2012-02-02 21:38:52
Proper Sequence for Getting Disparity Map from GPU	3	True	wpi_igvc12	2012-02-02 11:22:09	2012-02-14 12:20:27
Executable not found in /bin directory	2	True	metal	2012-02-09 12:08:40	2012-02-09 20:29:49
problem in displaying an image	3	True	Abinaya	2014-03-26 12:28:27	2017-04-18 16:31:30
Configuring ROS2 for OpenCV and C++	2	True	Werewolf_86	2022-10-08 14:11:14	2023-01-13 18:08:58
Synchronise point Cloud and RGB Image from the same camera	1	True	Maya	2014-03-31 04:01:34	2014-04-01 07:13:30
How Costmap works	1	True	BP	2014-04-02 17:47:09	2014-04-04 15:42:45
How do I change the version of a package being used? Specifically, I want to downgrade the version of opencv being used.	2	True	dpoiesz	2018-01-18 21:17:19	2019-03-05 20:56:19
Problem with OpenCV on Kinetic	1	True	alfa_80	2018-01-27 18:09:59	2018-02-06 19:31:51
Hi i want to use external camera to capture image rather than in build camera	1	False	chiongsterx	2014-09-15 06:26:45	2014-09-25 08:07:57
g++ compiler not working for opencv installed inside ros-fuerte	1	True	Latif Anjum	2014-03-15 16:46:28	2014-03-16 19:40:32
How to use pcl (+ cuda modules) with ROS	1	True	ipgvl	2019-02-07 14:29:22	2019-02-12 08:24:26
Building OpenCV codes on ROS	1	True	Azl	2014-08-01 04:50:51	2014-08-01 06:21:53
How to specify my own OpenCV3 for cv_bridge	1	True	bear234	2018-04-19 08:05:50	2018-04-20 01:09:23
Images from fisheye camera are displayed correctly with BGR8 encoding but not with MONO8	1	True	tuandl	2018-04-22 09:45:13	2018-04-22 18:24:26
Display ros image on webpage using roslibjs	3	True	Brijendra Singh	2014-04-29 00:18:41	2019-05-21 21:16:41
cv_bridge and IplImage -> Mat when going from OpenCV 2.1 to OpenCV 2.3?	1	True	Pi Robot	2012-02-13 11:10:02	2012-02-13 20:07:02
OpenCV Error with openni_node.launch	1	True	MorganCormier	2012-02-14 04:47:15	2012-07-28 12:31:24
anyone willing to share the implementation of vanishing point algorithm using opencv	0	False	metal	2012-02-22 09:44:28	2012-02-22 09:44:28
How to add GPU support in ROS opencv	3	True	brice rebsamen	2012-02-24 02:11:25	2014-03-26 15:53:46
Creating filter pipelines for OpenCV	1	True	Pi Robot	2012-02-25 10:17:33	2012-07-23 17:12:02
Suggestion of packages for following the vanishing point derived in opencv	0	False	metal	2012-02-28 20:29:02	2012-02-28 20:29:02
ROS Electric Opencv transition	1	True	jcc	2012-03-19 10:38:02	2012-03-27 08:55:18
can't access ROS svn	3	True	machty	2012-04-02 18:29:45	2012-09-08 12:05:01
3D calibration in OpenCV without chessboard images?	1	True	Cherry 3.14	2012-04-07 14:30:55	2012-04-07 15:19:16
How to use the calibration data generated by ROS in OpenNI and OpenCV	0	False	zwsjink	2012-04-10 01:31:13	2012-04-10 01:31:13
How to get opencv on electric precise (ubuntu 12.04)?	2	True	ssafarik	2012-04-11 13:53:49	2012-04-11 16:42:47
rosjava_android+opencv=Fuerte?	1	True	Nick Armstrong-Crews	2012-04-13 07:48:49	2012-04-16 15:49:26
Changing python version in ROS	1	True	DavidLavy	2012-04-15 19:01:58	2012-04-16 00:21:02
cv::bilateralFilter segfaults on image from cv_bridge	1	True	Daniel Canelhas	2012-04-16 08:15:02	2012-04-16 10:09:35
Error building with OpenCV Dependency	1	True	mouser58907	2012-04-18 15:58:33	2012-04-18 15:58:33
OpenCV linker errors in ROS Fuerte	2	True	Johannes Meyer	2012-04-19 13:06:01	2012-06-19 11:02:41
CMakeList find_package OpenCV SVN	1	True	andreas__	2012-04-20 07:16:47	2012-04-20 09:09:20
Does ros need a high performance gpu?	1	True	E. Sununs	2012-04-25 05:07:47	2012-04-25 09:44:07
[SOLVED] Cannot use OpenCV trackbar with vision_opencv?	1	True	adhipatiunus	2018-06-20 18:19:47	2018-06-20 19:23:06
OpenCV error using PCL + ROS + Kinect	1	True	DavidLavy	2012-05-03 14:11:14	2014-10-05 21:21:12
OpenCV 2.4.0 vs 2.3.1 + ROS Fuerte	2	True	Filipe Santos	2012-05-08 13:08:57	2012-05-09 03:36:59
camera_calibration opens gui window but freezes	3	True	martinakos	2018-07-03 13:42:24	2019-09-19 21:07:57
Undefined reference in cvBridge.h	1	True	StFS	2012-05-16 16:42:36	2012-05-16 19:52:38
installing ROS if Opencv is allready installed	1	True	oswaldfig	2012-05-17 18:19:35	2012-05-17 18:32:18
opencv2 and raspberry pi	1	True	Maya	2014-05-16 02:28:48	2014-06-15 07:31:04
OpenCV Patent	1	True	smerino	2012-05-22 07:44:27	2012-05-22 11:26:27
Maintaining backwards compatibility (opencv2 problem)	1	True	StFS	2012-05-24 15:58:37	2012-05-31 08:32:16
Multiple Camera recording with openCV	3	True	wtom	2012-05-25 03:00:03	2013-01-18 02:49:55
New C++ API Documentation for OpenCV	2	True	DavidLavy	2012-05-26 22:29:28	2012-05-27 00:51:20
issue on compiling package using opencv	1	True	clark	2012-05-28 02:16:25	2012-05-29 00:56:51
XIMEA Camera under linux?	2	True	xamox	2012-06-06 14:22:07	2012-06-29 10:58:37
using ros opencv standalone	3	True	hkaraoguz	2012-07-16 08:38:42	2012-07-28 12:13:20
opencv pkg-config configuration problem in ubuntu with fuerte	2	True	Pablo Urcola	2012-07-17 08:26:53	2014-03-14 09:51:34
OpenCV PinholeCameraModel undefined reference	1	True	David Bravo	2012-07-25 12:00:51	2012-08-27 17:09:37
cv_bridge give me darker images	1	False	Graziano Fracasso	2012-07-26 13:39:25	2012-07-31 17:50:27
No image display window in cv_bridge tutorial. (Does compressed image matter?	2	True	lanyusea	2014-05-29 09:28:43	2014-06-03 09:18:11
camera_calibration: checkerboard target not found	1	True	georgebrindeiro	2012-08-15 13:44:07	2013-01-24 07:09:52
How do I update OpenCV for ROS?	1	True	Hyon Lim	2012-08-23 08:35:13	2013-02-22 03:11:24
How to get a different random sequence with OpenCV RNG?	1	True	luisruiz	2014-06-12 06:30:02	2016-03-18 12:33:53
Visual servoing with ROS	2	True	perr0	2012-08-27 14:21:40	2012-08-28 09:36:44
OpenCV homography	1	False	andreapatri	2012-09-23 09:06:54	2012-09-23 09:23:48
Problem with using Qt New Functions of OpenCV2	1	False	Mike Gao	2012-09-27 15:09:32	2012-09-27 17:02:54
Roboearth OpenCV Error	1	True	yigit	2012-10-01 08:40:53	2012-10-02 02:49:57
depth image to CV_16UC1	1	True	Barbosa	2012-10-03 12:16:12	2012-10-08 15:00:48
How to build OpenCV package ?	1	True	bhala	2012-10-12 05:30:35	2012-10-12 09:08:48
cvLoadImage under roslaunch	1	True	pmarinplaza	2012-10-15 10:47:16	2012-10-16 11:37:22
Cannot Use OpenCV With -std=c++0x/gnu++0x in Fuerte	1	True	ekaszubski	2012-10-24 19:34:24	2012-11-06 19:08:05
Error building cv_bridge on RaspberryPi	1	True	Kevin	2012-11-03 08:59:30	2013-05-28 10:47:12
Snake.cpp isn't in Fuerte?	1	True	DavidLavy	2012-11-26 19:12:54	2012-11-26 19:33:41
focal length of Ardrone front camera	0	False	zubair	2018-12-27 10:21:23	2018-12-27 10:22:22
Catkin-izing OpenCV-based package	1	True	Dave Coleman	2012-12-10 20:57:03	2012-12-11 23:04:55
ROS Melodic OpenCV xfeatures2d	1	True	sam_123	2019-01-14 09:01:16	2019-02-07 13:18:10
OpenCV with ROS Groovy	1	True	keavenM	2012-12-21 19:20:05	2012-12-22 03:25:21
Kinect calibration "Unknown OpenCV format yuv422"	1	True	dinamex	2012-12-26 14:01:31	2013-03-14 13:37:29
openCV - imwrite	1	True	JaRu	2012-12-30 10:35:51	2012-12-30 12:37:10
sensor_msgs/CompressedImage decompression	2	True	pacifica	2013-01-04 14:15:50	2013-01-05 18:45:16
undefined reference to everything	1	True	ipgvl	2019-01-28 11:31:34	2019-02-04 15:36:03
Laserscan bag to film	2	True	Josch	2013-01-10 03:08:07	2013-01-14 06:34:28
Missing colladadom - Ros groovy source compilation on archlinux	1	True	myth	2013-01-19 09:03:52	2014-01-14 08:57:20
Corner detection using opencv and ROS	1	True	K_Yousif	2013-01-22 21:48:17	2013-01-23 02:48:08
How to add libraries in Eclipse+ROS	2	True	shan333	2013-01-24 14:05:15	2013-01-24 19:39:44
Zero copy passing of OpenCV datatypes with nodelets	3	True	Tones	2013-01-28 18:10:26	2013-01-29 12:01:45
add external opencv libraries to ros package	1	True	abrsefid	2013-02-02 06:05:07	2013-02-02 08:08:05
add opencv to indigo	4	True	hsoltani	2014-07-07 07:16:27	2016-11-03 10:15:56
process has died ..	1	True	hamid	2014-07-07 11:40:57	2014-07-07 12:26:06
using the opencv particle filter ConDensation	0	False	Tom Sgouros	2013-02-15 12:42:53	2013-02-15 13:20:05
Error when converting IR kinect image to CvImage using cv_bridge	1	True	K_Yousif	2013-02-17 20:31:22	2013-02-19 22:23:45
Simplest method of 3D mapping a room with kinect sensor	3	True	p.wong	2013-02-18 08:03:38	2013-02-18 11:09:48
Ros not responding to keypress to WaitKey..	3	True	215	2015-03-25 13:59:04	2015-04-01 15:18:21
Groovy and OpenCV: Linker errors	2	True	dinsn	2013-02-20 04:21:24	2013-02-21 01:31:46
cannot make image_view from source on gumstix Overo	1	True	AdrianPeng	2013-02-26 19:58:09	2013-06-12 01:12:03
How to link own build OpenCV instead of ros-hydro-opencv	0	False	YuhuaZou	2014-07-23 09:37:01	2014-07-23 09:37:01
Query a frame from a video passed as a message by ROS to OpenCV	2	True	mateo_7_7	2013-02-27 09:46:54	2016-10-26 15:25:37
Coding using OpenCV2 ROS	1	True	Bala	2013-02-27 13:30:45	2013-02-27 15:02:43
Rosjava + (OpenCV) => (2D to 3D)	1	True	LeopoldPodmolik	2013-02-27 18:18:56	2013-07-22 03:49:17
ROS2 Windows OpenCV self package?	2	True	Obeseturtle	2019-03-18 08:35:04	2019-03-19 00:15:34
OpenCV CMake Error	2	True	Dave Coleman	2013-02-28 22:00:17	2013-03-04 15:19:58
How do i solve this undefined reference? using opencv code for object recognition via colour to use in rviz	1	False	chiongsterx	2014-07-27 09:09:08	2014-07-28 12:53:37
Computer vision in ROS	1	True	arenillas	2014-07-29 10:48:18	2014-07-29 11:16:40
ERROR: Cannot load message class for...Are your messages built?	1	True	mateo_7_7	2013-03-05 06:15:48	2013-12-09 02:58:04
opencv undefined reference problem	1	True	AdrianPeng	2013-03-05 15:16:21	2014-05-17 04:43:22
Compilation error /usr/bin/ld: cannot find -l&	1	True	chiongsterx	2014-07-30 13:00:51	2014-07-30 17:26:48
return an array from a function member of a class	1	True	mateo_7_7	2013-03-06 10:02:54	2013-03-06 10:07:12
Segmentation fault with opencv function	1	True	zweistein	2013-03-06 16:26:13	2013-03-07 07:36:08
Building OpenCV codes with ROS	0	False	Azl	2014-08-01 04:48:07	2014-08-01 04:48:07
Storing sensor_msgs::Image from cv_bridge	1	True	Geropan	2013-03-07 12:59:33	2013-09-27 00:15:10
A display question about Opencv&ROS	1	True	Lau	2014-08-06 03:00:29	2014-08-06 09:09:00
OpenCv troubles	1	True	jacky_90	2013-03-22 11:05:14	2014-07-14 01:49:22
Error in using cv_bridge: communication ROS - OpenCV	0	False	mateo_7_7	2013-04-08 08:19:12	2013-04-08 08:19:12
synchronizing two point grey USB cameras for Stereo using OpenCV?	2	True	Gaviria R	2013-04-16 16:17:46	2015-04-25 20:59:59
OpenCV program doesnt start the camera	2	True	DavidLavy	2012-04-17 11:57:18	2012-04-18 00:07:06
Bird's Eye Projection in OpenCV	1	True	joshualan	2013-04-24 20:42:14	2014-03-10 05:44:22
build errors when trying to use CVbridge with ROS Hydro	1	True	voladoddi	2014-09-16 17:53:00	2014-09-16 18:49:21
how to publish and sub camera in opencv	3	True	turtle	2014-09-18 13:36:32	2014-09-22 06:11:36
How to use newer versions of opencv in Fuerte	2	True	K Chen	2013-05-01 09:49:23	2014-02-17 09:41:06
OpenCV Error: Null pointer (NULL or empty buffer) in cvOpenFileStorage	3	True	chao	2013-12-17 04:52:10	2015-09-24 23:27:30
Unable to re-find chessboard corners	1	True	joshualan	2013-05-07 17:05:30	2013-05-07 20:55:36
DepthImage to Mat (OpenCV)	2	True	arenillas	2014-09-25 14:29:58	2014-09-30 09:18:04
streaming AR.Drone 2.0 images to OpenCV	1	True	voladoddi	2014-09-26 18:31:55	2014-09-26 21:59:37
opencv2 build failing on osx	0	False	Dan Lazewatsky	2013-05-13 11:00:51	2013-05-14 10:31:03
Potential data loss with stereo_image_proc	1	True	mortonjt	2013-05-18 16:48:12	2013-05-20 02:23:08
What is subpixel matching precision for stereo?	1	True	rdbrewer	2013-05-26 16:32:21	2013-08-14 10:16:03
ROS iamge to opencv image and image processing	2	False	anthonyli	2013-05-27 08:38:49	2013-05-28 18:25:47
Optical Flow using ROS OpenCV	0	False	Ardui	2014-10-16 16:30:50	2014-10-16 16:30:50
Capture for Kinect Camera	1	True	robwa	2011-07-26 15:25:08	2011-08-05 07:33:20
Error : CV_8U in function initialize	1	False	Aylin COSKUN	2014-11-11 15:28:32	2014-11-11 15:50:07
How to use a sdk (non-ros header/lib/binaries) in ros package?	2	True	fromandto	2014-11-24 16:23:22	2022-06-30 22:55:31
Get data values from depth image	1	True	Thiagopj	2014-07-11 00:26:18	2014-07-11 07:00:41
Converting Kinect depth image to Real world coordinate.	2	True	Subhasis	2013-07-15 07:51:24	2013-11-20 15:22:14
Convert a 16 bit compressed kinect depth image to something usable?	1	True	madmax	2013-07-18 10:45:28	2013-07-21 06:57:37
Interfacing rosjava with OpenCV	1	True	Willson Amalraj	2013-07-19 02:12:21	2013-07-22 03:48:44
How to extract depth data from rosbags(contains depth and RGB data) as picture frames	2	True	shravan	2014-12-13 20:32:22	2016-06-27 09:19:23
OpenCV, drawing depth map	3	True	CaptainTrunky	2011-11-01 01:05:28	2014-02-14 15:05:59
[SOLVED] opencv my awesome library problem	1	True	Kailegh	2015-01-25 22:51:51	2016-06-17 10:54:05
OpenCV4Tegra and ROS - HowTo? (Jetson TK1)	1	True	Myzhar	2015-02-07 11:26:17	2015-02-12 21:52:28
Get average distance from a depth Rect image	1	True	Thiagopj	2014-07-16 03:57:23	2014-07-16 14:21:41
why do I get an error when building my pakage?	2	True	Leyonce	2014-03-22 04:31:15	2014-03-30 21:02:41
ros with Aruco Tags	1	True	End-Effector	2015-03-09 12:16:26	2015-03-09 14:52:33
Configure Eclipse to work with ROS and OpenCV	1	True	grzebyk	2015-03-13 12:02:03	2015-03-13 12:45:30
Why is my callback function not called	1	True	215	2015-03-18 19:11:39	2015-03-18 19:37:24
ld: undefined reference to avformat_network_init@LIBAVFORMAT_53	2	True	sciarp	2012-05-18 04:25:24	2012-08-14 11:03:30
Opencv2 include problems	2	True	Oier	2013-02-25 05:37:11	2013-02-25 10:59:56
Why prefer to use uvc_camera instead of cv::Capture when working with OpenCV?	1	True	rbaleksandar	2015-04-01 17:11:05	2015-04-14 08:34:08
Custom OpenCV with ROS Groovy	1	True	RossK	2013-09-04 13:54:05	2013-09-04 17:38:20
How to link own build OpenCV instead of ros-hydro-opencv	1	True	YuhuaZou	2014-07-23 07:59:32	2014-07-23 13:04:29
Command Line mapstitch issue	2	True	Devasena	2013-09-08 06:03:20	2015-12-15 07:50:41
Pixel Location in opencv2.2	0	False	Kaka	2013-09-10 01:37:35	2013-09-10 01:37:35
How to make opencv and ROS work together?	1	True	metal	2012-02-11 19:08:33	2012-02-12 06:09:02
Working with cv_bridge and OpenCV correctly	1	True	soulfutterer	2015-05-30 14:01:44	2015-06-02 09:50:49
Help with streaming AR.Drone camera images to openCV	2	True	MichaelJ	2013-09-14 07:42:34	2013-10-30 16:29:16
cv_bridge: sensor_msgs::Image to sensor_msgs::ImageConstPtr	1	True	Pufpastry	2015-06-03 12:01:10	2015-06-03 14:52:27
How to make the fuctions call in main by connecting other functions each othr :example please	0	False	sandun	2015-06-05 05:33:24	2015-06-05 05:33:24
OpenCV python bindings in cturtle	0	False	StFS	2012-05-31 12:01:37	2012-05-31 12:01:37
Trouble with compressed image transport and ardrone_autonomy	1	True	Tom Moore	2013-09-20 08:15:59	2015-06-24 18:50:17
ROS Indigo and libav libraries' version	2	True	Mehdi.	2014-08-01 02:40:26	2014-08-01 09:00:06
How can I add C++ optimization flags to ROS	1	True	adnansousi	2015-07-15 14:24:53	2015-07-15 15:28:21
opencv3.0 ros indigo	2	True	pmarinplaza	2015-07-16 17:55:49	2015-10-07 08:13:02
Use ros-indigo-opencv3 alongside 2.4.8?	1	True	lucasw	2015-07-18 12:34:50	2015-12-01 16:29:36
Package was not found!	0	False	Hakan Bey	2015-07-28 13:46:19	2015-07-28 13:46:19
How to determine min_range and max_range for my RGB-D camera?	0	False	Barbas	2013-10-06 14:12:19	2013-10-06 14:12:19
How to determine the min_range and max_range for my RGB-D camera?	1	True	Barbas	2013-10-06 14:49:07	2013-10-06 15:54:27
How to enable GPU-Features of Rtabmap	1	True	TurBot	2022-05-09 07:30:15	2022-05-11 12:40:44
image_proc not working as expected	2	True	Georacer	2015-10-25 15:46:26	2023-07-07 09:09:35
harris detector in callback	1	True	espee	2013-10-14 05:09:57	2013-10-14 06:47:13
camera_pose_calibration migrate to indigo	1	False	ille-90	2015-12-14 09:06:25	2016-11-08 16:17:08
image_geometry projectPixelTo3dRay World Coordinates	1	True	Gren8	2016-01-12 18:17:46	2022-12-08 12:37:39
HOW TO USE OPENCV IN GROOVY?	0	False	DavidXiong	2013-03-27 08:18:53	2013-03-27 22:27:21
Create Semantic Maps using RGBDSLAM + OctoMaps?	3	True	cleros	2012-07-01 07:52:17	2013-01-26 11:42:07
why RGB and depth Image synchronization not working? [Solved]	1	True	PKumars	2016-02-18 20:26:16	2016-02-26 15:47:27
Subscribe to two image_raws with one function	3	True	Bison	2013-10-31 04:46:13	2013-11-04 08:16:08
cv::KalmanFilter not working [Solved]	1	True	PKumars	2016-02-26 11:38:15	2016-02-26 15:43:45
Design Question: Where Does The Business Logic Go?	3	True	trianta2	2013-11-01 12:56:34	2021-03-31 04:09:02
cv_bridge and OpenCV both define Exception class	1	True	sterlingm	2020-08-25 22:55:50	2020-08-28 17:59:09
openCV transform datatypes to ROS msg tf/goal	1	True	Dragonslayer	2020-11-21 13:55:22	2020-11-23 17:54:30
Best OpenCV version for ROS Noetic.	1	True	ajpaezm	2020-09-24 03:10:44	2020-09-24 07:56:50
Extract video from PointCloud2	1	True	rastaxe	2016-04-21 11:50:28	2016-04-22 12:30:44
ROS indigo and opencv seems not to work correctly	1	True	soichirutk	2016-04-25 05:05:51	2016-04-25 06:01:09
pcl library linking problem	1	True	horczech	2016-04-28 07:59:46	2016-04-28 11:52:20
which version of Opencv should I use?	1	True	Zero	2016-05-24 02:06:44	2016-05-24 06:27:39
problem with cv_bridge	0	False	hamid	2013-11-28 03:38:24	2013-11-28 03:59:03
Combines message for image and information gives "invalid initialization error"	1	True	MarviB16	2019-04-29 17:45:36	2019-04-29 18:41:26
Which ROS version to use with opencv	1	True	Astronaut	2016-06-23 09:34:44	2017-11-30 21:27:46
source install + opencv source install	1	True	Maya	2016-06-28 12:22:04	2016-06-28 12:32:03
vision_opencv can't be found by ROS but it's installed	1	True	Metalzero2	2014-08-26 16:16:44	2014-08-26 16:41:53
Hardware to Support ROS, OpenCV, and Motor Control	1	True	daalt	2013-12-11 23:29:39	2013-12-12 06:29:38
depth info segmentation fault	0	False	samrat	2013-12-12 13:54:52	2013-12-13 05:54:32
Destination encoding for ros image to opencv image conversion	1	True	syamprasadkr	2016-08-10 20:16:24	2016-08-10 20:20:24
Add OpenCV window as panel to RViz	1	True	user23fj239	2016-08-14 17:03:08	2016-08-15 15:23:05
Having trouble using CUDA enabled OpenCV with kinetic	2	True	daniel_dsouza	2016-08-25 04:36:53	2020-12-04 17:11:26
Opencv in ROS: fatal error: opencv3/opencv.hpp: No such file or directory compilation terminated.	1	True	patrchri	2016-10-05 12:31:58	2016-10-07 04:44:19
using image transport compression and boost library c++	2	True	rosmat88	2014-01-02 07:53:57	2014-01-08 07:06:44
Access AR.Drone camera with OpenCV while connected to ROS	1	True	pyro229	2016-10-12 16:48:46	2016-10-13 17:15:00
How can I reference a standalone OpenCV installation inspite of having other version of Opencv version in ROS	1	True	sai	2014-01-09 00:02:48	2014-05-13 01:31:07
Standalone OpenCV	3	True	Jep	2014-02-12 11:36:02	2014-02-17 09:36:53
Update OpenCV version in ROS	1	True	marcoresk	2016-11-19 14:48:52	2018-04-30 03:05:33
catkin returns array of functions in opencv	1	True	ProstoTsar	2014-01-15 19:51:16	2014-01-16 11:03:39
What does projection matrix provided by the calibration represent?	5	True	mateo_7_7	2014-01-20 04:15:16	2022-12-08 22:42:50
CMakeLists pkg-config opencv C++	1	True	sora	2016-12-26 04:15:48	2016-12-27 07:10:38
Opencv solvepnp() and ROS tf	1	True	davinci	2014-01-21 07:12:08	2014-01-22 13:37:17
Compress Image topic with h264 streaming for low bandwidth connection?	2	True	Yehor	2021-06-05 11:17:59	2023-06-16 14:58:01
How to select version OpenCV in ROS ?	1	True	ToanJunifer	2018-10-09 08:22:53	2018-10-11 10:01:23
how to link opencv coorect under hydro	1	True	pkohout	2014-09-29 14:46:04	2014-10-01 17:17:40
Groovy + OpenCV 2.4.7 WITH_CUDA	1	True	DiJuMx	2014-01-27 08:07:48	2014-01-27 09:46:37
Problem viewing images using python-opencv	2	True	pnambiar	2017-02-08 16:02:32	2021-05-04 22:21:56
Could not find a configuration file for package opencv	1	True	Safeer	2014-01-28 06:00:08	2014-01-28 06:56:39
Opencv update to 2.4?	2	True	Hyon Lim	2012-08-28 23:08:22	2012-11-02 04:36:59
Error: no matching function for call to 'ros::Nodehandle::advertise()'	1	True	sharan100	2017-02-22 14:37:05	2017-02-23 05:16:50
How to use depth value from /camera/depth/image?	2	True	Safeer	2014-02-01 06:54:14	2017-04-18 14:56:03
Stereo camera, preprocessing, transforms and frames = pointcloud?	0	False	TBnor	2017-03-15 10:16:51	2017-03-15 10:16:51
Getting started in the world of drone programming	3	True	sep_vanmarcke	2017-03-16 15:11:54	2018-12-18 08:33:05
How to use arbitrary version of OpenCV	3	True	sep_vanmarcke	2017-03-22 01:58:51	2019-05-06 12:16:08
Is ROS Kinetic compatible with libopencv-dev-2.4.9?	1	True	sam26	2017-04-04 06:05:25	2017-04-04 06:15:23
Listener does not update	1	True	icarold	2017-04-15 16:45:29	2017-04-15 18:19:39
segmentation fault core dumped !!	0	False	zubair	2017-04-27 13:02:10	2017-04-27 14:54:48
error in using MIL tracker, opencv	0	False	zubair	2017-05-08 08:40:57	2017-05-08 08:45:11
DSO missing from command line!!	0	False	zubair	2017-05-15 16:14:47	2017-05-15 16:15:09

Questions with no answers: 214    [expand/collapse]

Questions with no accepted answers: 211    [expand/collapse]

Closed Questions: 278    [expand/collapse]

Users

Name	Asked	Answered	Accepted
Anonymous	0	326	70
tfoote	0	11	6
James Bowman	0	1	1
Subhasis	1	0	0
Bala	1	0	0
Brolin	1	0	0
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kwc	0	3	3
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joq	0	4	3
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Chad Rockey	2	3	2
Pi Robot	6	1	1
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Wim	0	2	1
mikegao88	1	0	0
jbohren	0	1	0
KNTRL	1	0	0
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roel958	1	0	0
Stefan Kohlbrecher	0	3	3
tom	1	0	0
machty	1	0	0
slm	1	0	0
sharan100	2	0	0
nile.shaw	1	0	0
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Georacer	2	0	0
jbak9141	1	0	0
fergs	0	5	5
CaptainTrunky	1	1	1
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Felix Endres	0	9	6
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