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783 questions
Tagged
978
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
4k
views
1
answer
no
votes
2017-09-25 20:25:00 -0600
breadbugs
OpenCV 3.2.0 cannnot access to SURF/SIFT in xfeatures2d
opencv_contrib
SIFT
ubuntu16.04
qt
804
views
no
answers
no
votes
2018-04-27 06:08:40 -0600
moshel
Python openpose sample from openCV dnn does not run [closed]
python
dnn
openpose
584
views
no
answers
no
votes
2019-08-31 09:01:41 -0600
sergorl
where is .lib for cudaarithm.hpp?
cudaarithm
1k
views
no
answers
no
votes
2018-01-27 07:41:37 -0600
alex001
Extra delay when copying UMat to Mat
opencv
copyTo
delay
slow
5k
views
1
answer
no
votes
2018-04-19 06:50:39 -0600
berak
OpenCV 3.x does not compile for Ubuntu 16
cmake
opencv-ubuntu
opencv-cmake
666
views
1
answer
no
votes
2018-07-27 10:20:23 -0600
drcurry
Transparent API performance discrepancy
tapi
1k
views
1
answer
no
votes
2018-08-21 10:17:19 -0600
g40
[Solved] Cannot configure OpenCV with Python3 support in an Arm64 chroot.
chroot
numpy
arm64
632
views
no
answers
no
votes
2020-10-21 06:32:50 -0600
sbofirov
Cannot reproduce same build
remap
compile
build
optimization
579
views
1
answer
no
votes
2018-02-05 19:21:11 -0600
meccaendless
could not run demo "faster_rcnn.cpp"
faster
faster_rcnn
2k
views
no
answers
no
votes
2018-07-02 10:05:39 -0600
berak
Error in building OpenCV [closed]
build
2k
views
3
answers
no
votes
2018-06-21 04:28:34 -0600
azdoud.y
How to solve problem with VideoCapture loading in linux ?
opencv
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
280
views
no
answers
no
votes
2018-07-05 04:39:12 -0600
holger
open cl confusion
openc
cl
dnn
2k
views
2
answers
no
votes
2013-04-12 01:03:06 -0600
StevenPuttemans
Prebuilt Windows binaries, CUDA
windows
binary
2k
views
2
answers
no
votes
2018-12-11 20:26:05 -0600
supra56
(u->refcount == 0) in deallocate
videocapture
AssertionFailed-215
refcount
RaspberryPi
574
views
no
answers
no
votes
2017-03-27 10:20:12 -0600
yrazin
Cannot build opencv_core320d.lib in VS2008
opencv3
vs2008
1k
views
2
answers
no
votes
2013-07-03 02:51:49 -0600
dhaneshr
../../lib/libopencv_ocl.so.2.4.5: undefined reference to `clEnqueueFillBuffer'
installation
problems
1k
views
1
answer
no
votes
2015-08-07 02:41:25 -0600
StevenPuttemans
OpenCV 3.0 with VS2013
Opencv3.0
VS2013
613
views
no
answers
no
votes
2018-12-05 10:11:28 -0600
Simontraww
Opencv (3.4.4) with NEON provide a few undefined symbols (ANDROID)
android
studio
arm-neon
compile
Linking
10k
views
1
answer
no
votes
2015-06-11 21:00:30 -0600
Anna Lucia
OpenCV 3.0 ,the performance of UMat
opencl
UMat
1k
views
1
answer
no
votes
2013-05-15 23:37:16 -0600
yid
Strange error when trying to use OCL library
opencl
ocl
error
runtime
897
views
1
answer
no
votes
2014-08-27 08:13:25 -0600
StevenPuttemans
is ORB descriptor have ocl implementation in Open CV 3.0
#opencv
#OpenCL
#ocl
#ORB
1k
views
3
answers
no
votes
2013-07-26 16:15:00 -0600
curryage
Compile OpenCV 245 for Win7 x64 with MSVC 2010 (x86) and CUDA
opencl
CUDA
1k
views
no
answers
no
votes
2015-10-07 02:51:25 -0600
JesseCh
Using OpenCV 3.0 UMat on Odroid XU3
Opencv3.0
opencl
arm
odroid
c++
opencv
575
views
1
answer
no
votes
2014-02-13 09:32:34 -0600
mnieme
BoW categorization - CV_OpenCLInitError (OpenCL not available) [SOLVED]
BOW
runtime_error
444
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
638
views
no
answers
no
votes
2018-12-07 07:38:47 -0600
Théo31
GPU slower than CPU with Mali G72
opencl
mali
G72
Hikey970
925
views
1
answer
no
votes
2019-05-06 09:15:45 -0600
gpcbitnik
(ubuntu 18.04) opencv 4.0.1 cv::ocl::setUseOpenCL(true); does not work
c++#opencv#opencl
517
views
1
answer
no
votes
2013-10-10 14:01:58 -0600
arm
Runtime error CL_INVALID_BINARY
opencl
opencv
geforce8600
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