Topic Replies Views Activity
Useful Links (Read First!)

Before asking a question in the forum, check out some of these resources and see if you can find a common answer. Documentation Tutorials Super Helpful Wiki Bugs and Issues Here are some additional useful links. Of…

2 6804 March 4, 2022
Welcome to OpenCV Forum!
32 5191 April 8, 2022
Which SolvePnp method returns the most accurate translation and rotation?
Python
calib3d ,  solvepnp ,  calibration
4 38 May 22, 2022
How to detect various geometric shapes on video
Python
videoio ,  programming
0 12 May 22, 2022
Separate the text from the others elements on the image
Python
image-processing
5 12 May 22, 2022
Calling Imgproc.matchTemplate() triggers "exception unknow exception"
Android/Java
imgproc
1 13 May 22, 2022
Same code running in Linux much slower than in Windows
C++
ximgproc
0 20 May 20, 2022
Real-time projection mapping?
OpenCV AI Kit (OAK)
5 162 May 20, 2022
Memory Leak with VideoCapture
Python
programming
2 24 May 20, 2022
Increase difference between two poorly distinguishable colors
imgproc ,  objdetect
5 37 May 20, 2022
Align an image to match another image
Python
1 25 May 20, 2022
Classifying objects from 3D CAD files
objdetect
1 19 May 20, 2022
Dnn NetReadFromDarknet model function error
C++
dnn
2 20 May 20, 2022
Colored KinFu raising Error -213 "Not implemented in function 'integrate'", Request for minimal example
C++
rgbd
2 29 May 19, 2022
Get transform between camera and robot frame using OpenCV
Python
calib3d
1 40 May 19, 2022
Is it possible to use linemod getting points matched between two images
C++
calib3d ,  imgproc ,  rgbd
0 19 May 19, 2022
ASSERT: "false" in file qasciikey.cpp, line 501
Python
highgui ,  qt ,  videoio
2 17 May 19, 2022
Human detection using camera module raspberry pi, test in pc
Python
1 27 May 19, 2022
Cap.cpp(164) open VIDEO(CV_IMAGES):raised OpenCv exception
C++
videoio
0 21 May 19, 2022
JS version cannot find the undistortpoints function
3 54 May 18, 2022
Error: Number of input channels should be multiple of 3 but got 1 in function 'cv::dnn::ConvolutionLayerImpl::getMemoryShapes'
dnn ,  tensorflow
8 39 May 17, 2022
Card recognition, how to get started?
0 36 May 18, 2022
VIDEOIO(V4L2:/dev/video0): select() timeout
Python
videoio ,  wsl
1 46 May 18, 2022
Contours Image Find center line
C++
6 60 May 18, 2022
Search data structure with custom distance on histograms
C++
matching
0 19 May 17, 2022
findDistance for the legs pose dectector/pose estimation (HELP PLEASE)
0 18 May 17, 2022
When i release the gpumat from bufferPoll,but data is still in memory
C++
cuda
7 37 May 17, 2022
cv::cuda::labelComponents(const GpuMat& mask, GpuMat& components, int flags = 0, Stream& stream = Stream::Null());
C++
cuda ,  programming
4 51 May 17, 2022
Cv2.error: OpenCV(3.4.17) :-1: error: (-5:Bad argument) in function 'imwrite'
Python
imgcodecs
2 56 May 17, 2022
Optical Character Recognition
csharp ,  programming
0 30 May 17, 2022