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29,830 questions
Tagged
875
views
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answers
no
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2020-04-30 09:28:43 -0600
adept
Cuda ORB GpuMat assertion failed
python
4.2
ORB
CUDA
2k
views
1
answer
-1
votes
2020-04-30 08:56:51 -0600
supra56
How to count if circle (cv2.circle) cross the line (cv2.line)
python
opencv
174
views
no
answers
no
votes
2020-04-30 04:16:32 -0600
robertsmith17
How to Install OpenCV on Windows 10?
Windows10
883
views
1
answer
no
votes
2020-04-30 01:43:41 -0600
berak
How to do multi level thresholding
threshold
classify
multiple
1k
views
no
answers
no
votes
2020-04-29 16:36:52 -0600
costeecon
write a video file opencv pycharm mp4
opencv
python
617
views
1
answer
no
votes
2020-04-29 15:09:14 -0600
ahmed-zubair
Merge Mertens taking much longer on C++ than on Python on same set of images
c++
python
mergemertens
android
2k
views
1
answer
-1
votes
2020-04-29 10:48:37 -0600
Nagarjuna
How to Convert Mat to ArrayList<Point> Java
opencv
528
views
no
answers
no
votes
2020-04-29 09:52:02 -0600
Emanuel Ferreira
Failing to use IE Backend (Compiling CV with IE)
opencv
python
InferenceEngine
29k
views
4
answers
9
votes
2020-04-29 09:38:59 -0600
wpalfi
how do you plot graphs in opencv projects?
opencv
graph
plot
data
314
views
1
answer
no
votes
2020-04-29 09:00:39 -0600
supra56
how to measure an object?
python
opencv
2k
views
no
answers
no
votes
2020-04-29 08:52:27 -0600
santo4_opencv
Feeding image input to OpenCV DNN using cv2.dnn.blobFromImage()
tensorflow
cv2.dnn
dnn
blobfromImage
488
views
no
answers
no
votes
2020-04-29 07:03:48 -0600
blubbaer
ROI with stereo calibration
stereo-calibration
calibration
stereocamera
stereorectify
2k
views
1
answer
no
votes
2020-04-29 07:03:17 -0600
supra56
CMake static link ffmpeg for build shared libraries
cmake
ffmpeg
203
views
1
answer
no
votes
2020-04-29 05:48:35 -0600
mrAndersen
matchTemplate multiple objects, false positive
matchTemplate
1k
views
1
answer
no
votes
2020-04-29 05:43:59 -0600
berak
Selecting GUI backends
backend
GUI
qt
vtk
346
views
no
answers
no
votes
2020-04-28 17:41:28 -0600
AndrakoValle
How to train more accurate Haar Cascades?
opencvpython
haartraning
objectdetection
cascadeclassifier
computervision
246
views
1
answer
no
votes
2020-04-28 14:59:21 -0600
superfly
sample v for inclusion in parametric equation
plane
Line
equation
directional
vector
96
views
no
answers
no
votes
2020-04-28 13:03:19 -0600
superfly
4 x 4 or 3 x 4 format?
matrices
format
which
is
needed
448
views
1
answer
no
votes
2020-04-28 11:52:45 -0600
mvuori
Help with latency in video
latency
rtsp
stream
6k
views
1
answer
no
votes
2020-04-28 11:28:50 -0600
cudawarped
OpenCV CUDA backend
CUDA
gpu
dnn
695
views
1
answer
no
votes
2020-04-28 10:35:54 -0600
berak
order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3
order
of
shared
libraries
Linking
674
views
no
answers
no
votes
2020-04-28 10:34:45 -0600
Josvds
Docker build fails on docker hub
docker
build
cmake
opencv
csharp
299
views
1
answer
no
votes
2020-04-28 10:26:16 -0600
berak
Version OpenCV in combination Visual Studio .NET 3.5 and C# ? [closed]
opencv
dotnet3.5
visualstudio8
c#
1k
views
no
answers
no
votes
2020-04-28 09:02:01 -0600
andrei186
linker and different versions of shared libraries
lincker
different
versions
shared
libraries
537
views
1
answer
no
votes
2020-04-28 05:59:54 -0600
berak
Offloading ANN GEMM operations to GPU
CvANN_MLP
gpu
CUDA
c++
dnn
452
views
no
answers
no
votes
2020-04-28 02:13:05 -0600
Hibiki
I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)
opencv_traincascade
opencv
traincascade
1k
views
no
answers
no
votes
2020-04-28 02:07:38 -0600
researcher_0815
Identify x,y-coordinates of white pixel in binary image in c# [closed]
opencv
3.0.0
c#
getcoordinates
450
views
no
answers
no
votes
2020-04-28 01:28:33 -0600
stiv-yakovenko
invalid use of incomplete type struct cv::DefaultDeleter<CvHaarClassifierCascade>
objdetect
cvHaarCascade
11k
views
1
answer
no
votes
2020-04-27 15:39:25 -0600
slalomchip
Reliable Video Capture in OpenCV from USB Video Capture Devices
CaptureDevice
python
opencv
Video
videocapture
usb
3k
views
2
answers
no
votes
2020-04-27 13:31:22 -0600
ademmler
How to set/get camera properties on Mac OS X
properties
OSX
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