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370 questions
Tagged
414
views
no
answers
no
votes
2017-03-21 10:52:33 -0600
Lindsey98
Trouble building opencv 3.2.0 on raspbian(pi3)
installation
opencv
python
3.2.0
1k
views
no
answers
no
votes
2017-05-11 12:14:01 -0600
john_turnbull
Ubuntu 16.04 Python after install OpenCV 3.1 and OpenCV_contrib 3.1, some extra modules are missing like Tracking and sfm
python
opencv_contrib
933
views
no
answers
1
vote
2017-05-17 18:48:51 -0600
philboske
Some resolutions cause segmentation faults in DISOpticalFlow()
opencv_contrib
opticalflow
629
views
no
answers
no
votes
2017-07-23 22:54:20 -0600
reid
DMA directly into UMat data
UMat
gpu
DMA
569
views
no
answers
no
votes
2017-07-25 09:42:48 -0600
berak
Building OpenCV Visual Studio 14 2015 Unicode Errors
visual-studio-2015
build
unicode
1k
views
no
answers
no
votes
2017-08-03 04:32:14 -0600
Raki
Matplotlib to replace imshow()
matplotlib
opencv
python3
1k
views
no
answers
no
votes
2018-01-22 02:53:16 -0600
Micka
cuDNN in OpenCV DNN module?
dnn
opencv_dnn
gpu
cuDNN
800
views
no
answers
no
votes
2018-10-26 07:12:19 -0600
sean2018
Opencv on MacOS Xcode can not use imread to read image based on c++
c++opencv
macos
1k
views
no
answers
1
vote
2018-12-04 07:51:18 -0600
Zana Zakaryaie Nejad
What is HAL exactly? Whats the difference between HAL and T-API?
opencv
hal
neon
T-API
91
views
no
answers
no
votes
2019-01-23 10:56:37 -0600
peter_cz
How to detect workgroup size used?
dnn
152
views
no
answers
no
votes
2019-04-25 20:01:02 -0600
zack
GaussianBlur in windows10 vs2017 and ubuntu g++ has different speed?
ubuntu
time
vs2017
920
views
no
answers
no
votes
2019-06-06 19:34:23 -0600
TomH
can't open URL video source with opencv-python cv2.VideoCapture()
opencv
python
570
views
no
answers
no
votes
2019-09-08 21:23:55 -0600
karl liu
failed to compile OpenCV with CUDA at opencv_cudev module
build
921
views
no
answers
no
votes
2019-10-03 12:52:46 -0600
bevilacq12
Trying to make OpenCV conan package with FFmpeg support, not working
conan
package
ffmpeg
162
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
1k
views
no
answers
no
votes
2019-12-30 20:45:29 -0600
supra56
Build OpenCV 4.x for Android with c++_static
build
319
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
557
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
849
views
no
answers
no
votes
2020-06-02 12:03:55 -0600
dedetuga
Building Opencv4.3 Android shared libs error
build
android
opencv
linux
ubuntu
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
592
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
5k
views
no
answers
no
votes
2013-01-24 09:17:01 -0600
andreas_
all CUDA-capable devices are busy or unavailable
CUDA
gpu
highgui
opengl
75
views
no
answers
no
votes
2013-09-26 13:10:36 -0600
mainul
Printing from inside module/src/initialization.cpp file
#opencv#ocl
424
views
no
answers
2
votes
2013-11-01 15:28:57 -0600
Pikopiko
OpenCV Python Module with OCL
ocl
python
166
views
no
answers
no
votes
2014-04-01 06:55:49 -0600
kizmo
count connected components (OCL only)
#ocl#regionLabeling
1k
views
no
answers
no
votes
2014-05-01 04:34:02 -0600
AR0x7E7
OpenCV Error: OpenGL API call (Can't load OpenGL extension [glBindBuffer]) in IntGetProcAddress, file sources\modules\core\src\gl_core_3_1.cpp, line 146
opencv2.4.9
qt5.2.1
opengl
gl_core_3_1.cpp
Win7
VS2012
312
views
no
answers
no
votes
2014-06-13 07:27:52 -0600
josemgm
Build OpenCV 2.4.5 in Sparc and Java Errors
sparc
2.4.5
java
jboss
javacv
1k
views
no
answers
no
votes
2014-09-11 10:35:45 -0600
rwong
Does OpenCV implement order-statistic filtering other than median, minimum and maximum?
filter
order-statistic
624
views
no
answers
1
vote
2015-01-28 18:46:54 -0600
mgb
UMat get values
ocl
UMat
3.0.0
150
views
no
answers
no
votes
2015-02-14 14:54:37 -0600
Potato
Weird encounter installing OpenCV 3.0.0
installation
opencv3
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