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54 questions
Tagged
c++
×
210
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
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
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
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
439
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
845
views
no
answers
no
votes
2020-06-08 10:18:49 -0600
richard__a
Help building openCV + contrib libraries using CMake visual studio 2019
cmake
contrib_error
build
visual
c++
anaconda
1k
views
2
answers
no
votes
2020-03-02 19:10:54 -0600
HYPEREGO
How to use multiprocessing with OpenCV-C++ ?
opencv
c++
multiprocessing
1k
views
1
answer
no
votes
2020-01-29 21:31:07 -0600
chee0007
Issues compiling opencv-3.4.8 with cuda-10.2 in Ubuntu
c++
CUDA10.2
aarch64
compilation-error
366
views
no
answers
no
votes
2019-12-29 23:20:22 -0600
jaylo
OpenCV Blender causes CL_BUILD_PROGRAM_FAILURE
stitching
opencl
c++
1k
views
no
answers
no
votes
2019-09-01 04:23:43 -0600
Martian
OpenCV 4 cmake switches for best runtime performance (Linux, C++, Python)
cmake
switches
c++
363
views
no
answers
no
votes
2019-08-23 03:44:28 -0600
im_shirohige
Webassembly VideoCapture symbol not defined errors
c++
webcam
ipcam
1k
views
1
answer
no
votes
2020-03-29 06:05:47 -0600
ComputerVisionary
how to solve problem of low fps in OpenCV
c++
opencv
Facedetection
FaceRecognizer
eye
recognition
2k
views
1
answer
no
votes
2019-04-15 04:26:48 -0600
StevenPuttemans
OpenCV Yolo Tiny Slow
opencv
yolo
c++
tiny
objectdetection
camera
207
views
no
answers
no
votes
2019-04-03 22:09:36 -0600
turiya
Cannot Run Code To Use Webcam capture and analysis
opencv
c++
visualstudio
330
views
1
answer
no
votes
2019-03-23 11:35:16 -0600
berak
Got a problem when compiling contrib/xphoto with code blocks mingw files
c++
opencv
windows
codeblocks
209
views
no
answers
no
votes
2019-01-22 02:48:20 -0600
DanVision
OpenCV T-API (OpenCL) CL_Error
opencl
opencv
c++
949
views
1
answer
no
votes
2019-01-18 08:43:34 -0600
berak
SVM on CUDA
CUDA
c++
opencv
gpu
SVM
380
views
no
answers
no
votes
2018-10-09 04:56:05 -0600
Mikelle02
Unknown error code -220 on cv::ocl::attachContext
c++
opencv
android
640
views
no
answers
no
votes
2018-09-25 13:11:28 -0600
yancey
dnn efficiency of mobilenet-ssd [closed]
dnn
MobileNetSSDCaffe
c++
speed
188
views
no
answers
no
votes
2018-07-23 22:33:01 -0600
rbh486
opencv3.2 umat is slower than mat...
c++
opencv
opencl
371
views
no
answers
no
votes
2018-06-20 09:30:30 -0600
toiski
libtbb segfault on second attempt in boost::thread on ARM/aarch64
arm64
c++
segfault
Multithreading
cvtColor
tbb
1k
views
1
answer
no
votes
2018-06-13 04:27:44 -0600
AlexLopez
YOLO v2 outputs zero scores and classes
yolo
c++
opencv
dnn
1k
views
no
answers
no
votes
2018-05-10 08:36:40 -0600
berak
[opencv 4.0.0 installation] Failed build project
opencv
c++
1k
views
no
answers
no
votes
2018-04-24 05:09:17 -0600
berak
Does OpenCV 3.4.x perform better(execution time) in release mode?
c++
performance
multi-thread
1k
views
1
answer
no
votes
2018-03-01 06:50:07 -0600
vps
Getting error for MobileNet SSD Dnn model.
dnn
c++
opencv
faster
RCNN
4k
views
1
answer
no
votes
2018-03-02 12:34:47 -0600
MarineBiologist
OpenCL can not detect my AMD GPU using OpenCV
c++
opencl
amd
Opencv3.0
693
views
no
answers
no
votes
2018-01-26 08:19:01 -0600
vps
Reagarding Faster_RCNN model
faster_rcnn
opencv
c++
541
views
1
answer
no
votes
2017-05-30 10:18:34 -0600
mshabunin
OpenCV Fails to Install on Ubuntu 16.10 using ICC and ICPC
icc
3.2.0
compile
opencv
c++
install
1k
views
no
answers
no
votes
2017-05-26 13:07:46 -0600
Elliot_
How can I deal with cv::matchTemplate crashing for large images?
visual
studio
c++
opencl
201
views
1
answer
no
votes
2017-02-15 14:42:54 -0600
LBerger
low time performance on Ubuntu 14
c++
ubuntu
opencv
1
2
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