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783 questions
Tagged
447
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
1k
views
no
answers
no
votes
2020-06-16 01:50:53 -0600
Leon1029
error adding symbols: File format not recognized
installation
build
cmake
error
mingw
271
views
no
answers
no
votes
2020-06-16 09:15:18 -0600
berak
ERROR WHILE INSTALLING OPENCV-3.4.9 IN UNBUNTU 20.--OPENCV_VIDEOSTAB
ubuntu20
OPENCV-3.4.9
opencv_videostab
641
views
1
answer
no
votes
2020-06-18 08:37:22 -0600
gus
Compilation errors with g++-8 for OpenCV 4.3.0 with opencv_contrib (xfeatures2d namespace conflict)
compilation-error
g++
opencv_contrib4.3.0
opencv
opencv4.3.0
xfeatures2d
543
views
no
answers
no
votes
2020-06-22 15:12:06 -0600
Jimmy2020
DNN OPENCL is not working on AMD GPU
c++#dnn#opencl
1k
views
no
answers
no
votes
2020-07-06 07:28:46 -0600
bbboat
Still cant get "FFMPEG: tag 0x00000021/'!???' is not found" error after build from source
opencv-python
videowriter
1k
views
no
answers
no
votes
2020-07-08 08:55:49 -0600
laura
OpenCL error CL_INVALID_VALUE in findChessboardCornersSB
opencl
cpp
c++
opencv
4k
views
1
answer
no
votes
2020-07-23 07:03:40 -0600
jvincent
accelerate OpenCV functions on gpu through CUDA
gpu
CUDA
accelerated
1k
views
1
answer
no
votes
2020-07-23 09:22:47 -0600
berak
Accelerate undistort() with parallelism on GPU
parallelization
gpu
CUDA
Undistort
2k
views
no
answers
no
votes
2020-07-29 17:30:02 -0600
sydsdk
Compiling Tracker from tutorial leads to error: ‘Tracker’ was not declared in this scope
tracking
cpp
c++
opencv_contrib
493
views
no
answers
no
votes
2020-08-04 04:03:50 -0600
boaz001
Memory leak in RGB2Lab
RGB2Lab
memoryleak
1k
views
no
answers
1
vote
2020-08-08 19:02:01 -0600
PKGosal
error importing cv2 in python3.6 but it works for python2.7
opencvpython
1k
views
no
answers
no
votes
2020-08-19 11:39:40 -0600
Fabrice_06
Wrong FPS and FRAME_COUNT read from a wmv file with opencv4.0 under python
get
CAP_PROP_FPS
CAP_PROP_FRAME_COUNT
437
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
341
views
1
answer
no
votes
2020-08-24 22:36:12 -0600
sjhalayka
OpenCL Support for QUALCOMM GPU
Opencv#opencl
1k
views
1
answer
1
vote
2020-08-26 18:10:12 -0600
sturkmen
OpenCV modules 3rd-party dependencies
android
3rdparty
416
views
1
answer
no
votes
2020-08-29 00:48:09 -0600
berak
Where to find implementation of BFMatcher::match
feature-detection
matcher
bfmatcher
989
views
1
answer
no
votes
2020-09-03 03:09:52 -0600
berak
Trouble Installing Opencv for C++ use
opencv#c++#Install
566
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
6k
views
1
answer
1
vote
2020-09-22 15:55:52 -0600
aqiff98
Error importing cv2 after compiling OpenCV from source (Python)
opencv#python
217
views
no
answers
no
votes
2020-09-25 05:34:38 -0600
Supreeth Kumar Y P
How to update UMat when Mat is updated?
c++
opencv
Mat
UMat
opencl
12k
views
1
answer
3
votes
2020-09-25 19:46:18 -0600
tjwmmd2
Fastest way to convert BGR <-> RGB! Aka: Do NOT use Numpy magic "tricks".
python
numpy
conversion
369
views
no
answers
no
votes
2020-10-03 08:13:01 -0600
candleboy_
I'm having major issues with setting up h/w accelerated video capture on Windows 10. Would appreciate any and all help and advice.
windows
videocapture
634
views
no
answers
no
votes
2020-10-05 03:26:29 -0600
Jiftoo
What would be the best approach to detect walls or corridors in this game?
edge-detection
game
1k
views
1
answer
no
votes
2020-10-06 12:00:24 -0600
sjhalayka
OpenCV - OpenGL - OpenCL Interop
opengl_interop
opencl
opencv
c++
texture
qt
593
views
no
answers
no
votes
2020-10-21 06:32:50 -0600
sbofirov
Cannot reproduce same build
remap
compile
build
optimization
19k
views
2
answers
no
votes
2020-10-27 23:03:25 -0600
hodu
Use allocated buffer for Mat Data Pointer
#OpenCL
#MatContainer
#c++
1k
views
no
answers
no
votes
2020-11-06 02:07:00 -0600
gino0717
can I use yolo v4 model in dnn in opencl?
dnn
opencl
956
views
3
answers
no
votes
2020-11-26 13:38:03 -0600
AndyK
Use Opencl to access Umat data
opencl
UMat
937
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
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