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29,830 questions
Tagged
1k
views
no
answers
no
votes
2020-04-27 08:57:51 -0600
sahil_saxena
getting error while running streamer command from opencv videowrite api
opencv-python
gstreamer
python
opencv
hlssink
357
views
no
answers
no
votes
2020-04-27 10:55:15 -0600
mcExchange
Use docker installed OpenCV as library
docker
10k
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
305
views
1
answer
no
votes
2020-04-27 12:02:17 -0600
ivicino
How is the width and height of x,y,w,h=boundingRect(c) determined?
boundingRect
378
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
179
views
1
answer
no
votes
2020-05-01 23:57:03 -0600
cajopencv
OpenCV dnn not support Squeeze & Excitation Module
squeeze
Excitation
efficientNet
355
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
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
338
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
477
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
387
views
1
answer
no
votes
2020-04-28 11:52:45 -0600
mvuori
Help with latency in video
latency
rtsp
stream
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
6k
views
1
answer
no
votes
2020-04-28 11:28:50 -0600
cudawarped
OpenCV CUDA backend
CUDA
gpu
dnn
247
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#
609
views
no
answers
no
votes
2020-04-28 10:34:45 -0600
Josvds
Docker build fails on docker hub
docker
build
cmake
opencv
csharp
9k
views
1
answer
no
votes
2020-05-02 04:31:58 -0600
supra56
Drawing a rectangle around the red color region
python
opencv
colordetection
83
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
282
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
1k
views
1
answer
no
votes
2020-04-29 07:03:17 -0600
supra56
CMake static link ffmpeg for build shared libraries
cmake
ffmpeg
1k
views
1
answer
no
votes
2020-04-29 05:43:59 -0600
berak
Selecting GUI backends
backend
GUI
qt
vtk
1k
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
185
views
1
answer
no
votes
2020-04-29 05:48:35 -0600
mrAndersen
matchTemplate multiple objects, false positive
matchTemplate
411
views
no
answers
no
votes
2020-04-29 07:03:48 -0600
blubbaer
ROI with stereo calibration
stereo-calibration
calibration
stereocamera
stereorectify
978
views
no
answers
no
votes
2020-04-29 16:36:52 -0600
costeecon
write a video file opencv pycharm mp4
opencv
python
687
views
1
answer
no
votes
2020-04-30 01:43:41 -0600
berak
How to do multi level thresholding
threshold
classify
multiple
166
views
no
answers
no
votes
2020-04-30 04:16:32 -0600
robertsmith17
How to Install OpenCV on Windows 10?
Windows10
712
views
no
answers
no
votes
2020-04-30 09:28:43 -0600
adept
Cuda ORB GpuMat assertion failed
python
4.2
ORB
CUDA
1k
views
1
answer
no
votes
2020-05-06 20:54:58 -0600
kastaa
Imprecise intrinsic/extrinsic calibration with Aruco markers
Rectification
python
aruco
extrinsic
intrinsic
185
views
no
answers
no
votes
2020-04-30 15:06:47 -0600
Hugheschen
what is the purpose of cos_t/=hist_width in OpenCV SIFT
SIFT
descriptors
rotation
487
views
no
answers
no
votes
2020-05-01 03:41:04 -0600
JulesHummelink
Memory leak with openCV on android
android
opencv
java
memoryleak
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