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29,830 questions
Tagged
264
views
1
answer
no
votes
2019-11-12 07:07:31 -0600
berak
Check camera activity
opencv
camera
on
Off
533
views
no
answers
no
votes
2019-11-12 09:24:30 -0600
lucacarone
ReprojectImageTo3D OBJ file
reprojectImageTo3D
stereo
stereo-calibration
DisparityMap
3d-image
102
views
no
answers
no
votes
2019-11-12 11:37:28 -0600
AdjustedStorm
Differences between Include Dirst - Compiled x Installed
includes
cmake
317
views
no
answers
no
votes
2019-11-12 11:51:53 -0600
postlude
Identifying and tracking drinks bottles in OpenCV *without* machine learning
objectdetection
objecttracking
1k
views
1
answer
1
vote
2019-11-12 12:00:52 -0600
dhirwinjr
Issue using OpenCV 4.1.1 and Tracking API in Java
opencv
java
tracking_api
469
views
no
answers
no
votes
2019-11-12 12:03:58 -0600
Vizer
Why does cv::VideoWriter close with corrupt avi indices?
CaptureVideo
videofile
CreateVideoWriter
167
views
no
answers
no
votes
2019-11-12 15:37:51 -0600
[email protected]
What is a good result from stereo_calib?
stereo_calib
stereo_match
stereo-calibration
899
views
no
answers
no
votes
2019-11-12 22:07:20 -0600
jlok
How do you properly track contours?
java
tracking
mosse
tracker
10k
views
2
answers
1
vote
2019-11-13 01:36:22 -0600
berak
undefined reference to imread
c++#opencv
735
views
1
answer
no
votes
2019-11-13 01:57:36 -0600
berak
Error while running Image stitching tutorial [closed]
c++opencvstitching
imagestitching
ubuntu
namespace
670
views
no
answers
no
votes
2019-11-13 02:27:23 -0600
gpcbitnik
failed to load model with readNetFromModelOptimizer [closed]
opencv
openvino
dnn
2k
views
1
answer
no
votes
2019-11-13 03:16:05 -0600
berak
error: use of undeclared identifier 'cv'
Local
local-binary-pattern
16k
views
3
answers
no
votes
2019-11-13 06:25:47 -0600
supra56
How to fix error error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'cv::imshow' when trying to capture a video stream?
opencv
python
3k
views
no
answers
no
votes
2019-11-13 12:28:47 -0600
trolstover
libopencv_core.so.4.1 not found?
c++#opencv
178
views
no
answers
no
votes
2019-11-13 14:12:18 -0600
cpp_opencv
DNN symbol lookup error
dnn
lookup
Linking
symbol
compile
432
views
no
answers
no
votes
2019-11-13 22:01:41 -0600
patrick129
Change camera resolution in C++?
c++
opencv
1k
views
1
answer
no
votes
2019-11-14 08:14:34 -0600
berak
How to copy a mat object to a integer 2D matrix in opencv java ?
java
551
views
no
answers
no
votes
2019-11-14 08:15:17 -0600
snehal
DICOM Image segmentation and 3d construction using VTK [closed]
python
opencv
vtk
865
views
1
answer
no
votes
2019-11-14 16:07:17 -0600
Martian
edge detection and contour extraction
edgedetection
1k
views
1
answer
no
votes
2019-11-15 01:54:39 -0600
Yashas
Error compiling openCV 4.1.2 with CUDA 9.0 in Ubuntu 16.04
CUDA9.0
ubuntu
9k
views
no
answers
no
votes
2019-11-15 04:37:33 -0600
berak
How to Detect Speaker from facial landmarks of mouth using face_recognition
python
Facedetection
790
views
no
answers
no
votes
2019-11-16 02:24:14 -0600
aditya_mangalampalli
OpenCV DNN Throws Unsupported Layer Error
dnn
5k
views
3
answers
no
votes
2019-11-16 04:31:36 -0600
Freeman
Best way not to have to copy a Mat back into an OutputArray
outputarray
603
views
no
answers
no
votes
2019-11-16 09:28:36 -0600
Der Luftmensch
cv::Mat and cv::cuda::GpuMat containers
core
Mat
CUDA
gpumat
polymorphism
509
views
1
answer
no
votes
2019-11-16 11:10:34 -0600
Daz
Gamma, Tonemapping, - basics hdr
imageConversion
2k
views
no
answers
no
votes
2019-11-16 15:35:56 -0600
[email protected]
Rotate by warpPerspective after getPerspectiveTransform by 4 points in C++
c++
opencv
99
views
no
answers
1
vote
2019-11-16 20:28:05 -0600
HelloWorld
When I use bowtrainer.cluster(), if there are a lot of images, the application will exit with a segmentation error (core dump). [closed]
exit
749
views
1
answer
no
votes
2019-11-16 21:37:19 -0600
nishant_elxsi
I tried to link FFMPEG with OpenCV,but I am getting unable to stop the video stream:inappropriate ioctl device error. I tried to install latest version of FFMPEG(4.2.1) and link it to OpenCV(3.4.3) installed.But I am getting the same error.
opencv
ffmpeg
drawcontour
6k
views
1
answer
no
votes
2019-11-17 04:39:42 -0600
supra56
i am unable to install opencv using pip
installation-fails
327
views
no
answers
no
votes
2019-11-17 06:30:17 -0600
Shay Weissman
OpenCv 4.1.2 Inference engin 2019 R3. readNetFromModelOptimizer crash [closed]
dnn
openvino
windows
4.1.2
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