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783 questions
Tagged
1k
views
1
answer
no
votes
2019-11-08 08:58:29 -0600
kbarni
How to speed up the OpenCV using GPU？
acceleration
804
views
no
answers
no
votes
2019-11-13 02:27:23 -0600
gpcbitnik
failed to load model with readNetFromModelOptimizer [closed]
opencv
openvino
dnn
331
views
1
answer
no
votes
2019-11-28 07:32:41 -0600
berak
OpenCv on windows server
python
1k
views
1
answer
no
votes
2019-12-02 02:51:18 -0600
berak
Why were cmake options invalid? How can I disable OpenCL, IPP and enable CV_SIMD?
cmake
opencl
openmp
IPP
156
views
no
answers
1
vote
2019-12-07 15:13:21 -0600
TigerShark
Brute Force Matcher with OCL won't run on GPU
ocl
DescriptorMatcher
440
views
no
answers
no
votes
2019-12-12 05:41:37 -0600
berak
I have tried installing opencv on raspberry pi but i get this error on cmake
raspberypi3
opencv
RaspberryPi
36k
views
no
answers
no
votes
2019-12-17 23:27:22 -0600
clefrks
error: (-215:Assertion failed) !_img.empty() in function 'imwrite [closed]
opencv
ffmpeg
Library
linux
770
views
no
answers
no
votes
2019-12-20 07:18:13 -0600
dslove
Not able to use openCL on Mac
opencl
gpu
mac
3k
views
1
answer
no
votes
2019-12-28 13:11:31 -0600
cudawarped
Can't find GpuMAT() functions in v4.2.0-dev compiled with python & CUDA
python#cuda#opencv
1k
views
1
answer
no
votes
2019-12-28 02:23:32 -0600
cudawarped
dnn with cuda on 4.20
CUDA
375
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
2019-12-30 20:45:29 -0600
supra56
Build OpenCV 4.x for Android with c++_static
build
442
views
1
answer
no
votes
2020-01-09 02:36:44 -0600
LBerger
pass mat to opencl
Mat
634
views
no
answers
1
vote
2020-01-17 19:58:36 -0600
Martian
CMake: Difference between OpenCL_LIBRARY vs OPENCL_LIBRARY
cmake
cmake-gui
opencl
X11
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
316
views
no
answers
no
votes
2020-02-07 10:14:08 -0600
yangjingru
opencv cpp dnn objection detection not in accordance with tensorflow object detection of python
dnn
opencv
cpp
tensorflow
objection
detection
1k
views
2
answers
no
votes
2020-03-02 19:10:54 -0600
HYPEREGO
How to use multiprocessing with OpenCV-C++ ?
opencv
c++
multiprocessing
320
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
95
views
no
answers
no
votes
2020-03-16 16:59:12 -0600
TigerHwang
OCL device memory leak
memoryleak
206
views
no
answers
no
votes
2020-03-17 22:40:39 -0600
ashishkrshrivastava
Changes in PR not getting build on custom builders [closed]
build
pr
custom
370
views
1
answer
1
vote
2020-03-19 11:05:46 -0600
mvuori
malloc.h error when building in a freenas jail
freenas
FreeBSD
malloc
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
969
views
no
answers
no
votes
2020-04-11 08:43:32 -0600
carmeltop
gcc: error: long: No such file or directory (!!DENABLE_OPENCV_ALLOCATOR_STATS has set off)
windows7
opencv
64-bitwindows
3k
views
no
answers
no
votes
2020-04-21 13:42:12 -0600
hant
Opencv-Python built for Windows x64 Python 3.7, .pyd file not found, OpenCV modules unavailable
copencvpython
pyd
cv2.pyd
cmake
build
python3.7
695
views
1
answer
no
votes
2020-04-27 01:10:39 -0600
berak
OpenCV 3.4, build with MinGW 8.1.0
mingw-w64
opencv
3.4.10
493
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
236
views
no
answers
no
votes
2020-05-14 08:00:49 -0600
berak
OpenCV4.3.0 build with OpenCL
ocl
android
716
views
1
answer
no
votes
2020-05-18 11:37:40 -0600
meathead2k2
[python] RAM usage high when using VideoWriter in jupyter ONLY not pycharm
cv2.VideoWriter
python
415
views
1
answer
no
votes
2020-05-20 08:09:38 -0600
berak
How to use cv::ocl::BilateralFilter in c++ code
opencl#opencv
137
views
no
answers
no
votes
2020-05-20 18:31:16 -0600
plugwash
why does matallocator have two allocate functions.
CvMat
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