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783 questions
Tagged
297
views
no
answers
1
vote
2017-10-16 08:13:46 -0600
qudlaty
Problem with MOG2 OCL test
ocl
performance
MOG2
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
580
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
1
answer
1
vote
2018-04-14 21:43:26 -0600
JavaMaster
How to compile opencv-341.jar and opencv_java341.dll with org.opencv.face?
java
opencv
facereconigtion
2k
views
no
answers
no
votes
2018-07-02 10:05:39 -0600
berak
Error in building OpenCV [closed]
build
639
views
no
answers
no
votes
2020-10-21 06:32:50 -0600
sbofirov
Cannot reproduce same build
remap
compile
build
optimization
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
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
805
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
2k
views
no
answers
no
votes
2018-04-04 08:24:02 -0600
Jérémy K
Building native libraries not working
build
cmake
native
libraries
linux
RaspberryPi
983
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
669
views
2
answers
no
votes
2019-09-16 06:05:43 -0600
Harsh1307
OpenCV failure while executing stitching in GPU [closed]
opencv
1k
views
no
answers
no
votes
2018-07-11 21:53:55 -0600
berak
opencv build error in windows: no rule to make target [closed]
no
target
opencv
java
windows
1k
views
no
answers
no
votes
2017-09-22 09:45:15 -0600
Lubagov
OpenCV 3.3 setNumThreads(0) bug
setNumThreads
cascadeclassifier
opencv
3.3
523
views
no
answers
no
votes
2018-02-22 21:31:02 -0600
berak
Latest opencv + contrib modules, missing sdk/java [closed]
opencv4android
opencv+contrib
1k
views
no
answers
no
votes
2018-06-19 07:47:20 -0600
facedemo
ros kinetic dnn -- OpenCV Error: Assertion failed -- cv2.error -- error: (-215) -- .bashrc -- deep learning [closed]
ros-kinetic-opencv3
3.3.1
2k
views
1
answer
2
votes
2019-02-01 17:06:08 -0600
GaryB
Do the dnn module of opencv4 has a plan to support gpu of nvidia/amd?
opencv_dnn
3k
views
1
answer
no
votes
2019-03-22 16:17:59 -0600
epatton
Linking prebuilt opencv static library in Android.mk
android
opencv3
551
views
no
answers
no
votes
2019-07-10 10:34:51 -0600
eric_engineer
Building latest master for android but missing Java folder
build
java
645
views
1
answer
no
votes
2015-03-04 21:26:40 -0600
Eder Perez
OpenCV compilation error in Fedora 21
ffmpeg
compilation-error
linux
2k
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
557
views
1
answer
no
votes
2018-03-28 00:14:42 -0600
dkurt
Dnn.forward(), vector subscript out of range
dnn
911
views
no
answers
no
votes
2018-04-13 10:59:56 -0600
Stefan Koenig
UMat multithreading issues when using producer-consumer pattern
UMat
Multithreading
multi-thread
gpu
3k
views
1
answer
1
vote
2019-03-16 04:56:39 -0600
PrincePaaris
Can I run OpenCV DNN on NVidia GPU? code is writtin in python
nvidia
cuDNN
dnn
13k
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
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