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486 questions
Tagged
474
views
no
answers
no
votes
2018-12-26 02:05:24 -0600
egorii
Which simple methods to speed up OpenCV code exists? [closed]
optimization
254
views
no
answers
no
votes
2019-12-17 21:43:08 -0600
sid311
How to specify IPP version with CMake for versions 4.1.2/4.2.0?
IPP
lippicv
1k
views
no
answers
no
votes
2015-08-24 06:04:34 -0600
jeremyrutman
some functions not available
createFisher
136
views
no
answers
no
votes
2016-06-10 02:40:14 -0600
Dysth
Interpreting Valgrind results about a 3D reconstruction program
c++
Valgrind
opencv
151
views
no
answers
no
votes
2016-06-28 14:45:16 -0600
atv
dpm incredibly slow?
opencv
dpm
1k
views
no
answers
no
votes
2016-10-29 05:55:35 -0600
peterzcc
HIGH GPU Memory Usage by OpenCV Python Module [closed]
memory
324
views
no
answers
2
votes
2018-01-23 01:18:20 -0600
deekshith_mr95
crash while building with ffmpeg and contrib in raspberry pi 3 model B(debian)
ffmpeg
build
RaspberryPi
c++
ipcamera
Builderror
3k
views
no
answers
1
vote
2018-01-26 04:20:59 -0600
berak
disable openCL for opencv 3.4
opencl
1k
views
no
answers
no
votes
2018-05-07 09:26:47 -0600
YayIguess
OpenCV failing to compile with CUDA support
CUDA
compile
91
views
no
answers
no
votes
2019-03-12 12:26:39 -0600
arosad2
K.lib not found
build
1k
views
no
answers
no
votes
2019-07-26 07:16:16 -0600
supra56
Windows 10 building openCV.js
opencvjs
432
views
no
answers
no
votes
2016-08-02 00:11:28 -0600
ChiaYu
Build Opencv 2.4.11 with Cuda 7.5 problem
c++
opencv
cuda7.5
cc
1k
views
no
answers
no
votes
2016-09-27 00:11:34 -0600
flexbex
opnecv build fails on rpi3 with Ubuntu 16.04 and ENABLE_NEON=ON
opencv
c++
install
RaspberryPi
raspberrypi2
440
views
no
answers
no
votes
2016-12-02 04:50:29 -0600
berak
After I compile opencv_contrib to opencv3.1,I still can't use SURF [closed]
opencv_contrib
python
38k
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
632
views
no
answers
no
votes
2017-03-09 11:18:08 -0600
fanyuan
OpenCV 3.1 videoCapture memory leak on ubuntu 16.04 detected by Valgrind
opencv3.1
LeakMemory
Valgrind
ubuntu16.04
1k
views
no
answers
2
votes
2017-10-16 15:50:14 -0600
ossyaritoori
Why self compiled Opencv is slower than apt-get package?
opencv
CUDA8.0
278
views
no
answers
no
votes
2017-11-17 00:18:34 -0600
venkatesh-u
Installing OpenCV 3.2.0 with contrib modules in Ubuntu 14.04 LTS ends with "Configuring incomplete" instead of "completed configuring"
android#opencv
1k
views
no
answers
no
votes
2017-12-05 02:15:00 -0600
trohit
Unable to install OpenCV 3.3 with Cuda9: Getting error: Built target opencv_cudawraping Makefile:160: recipe for target 'all' failed
CUDAlinuxopencv
2k
views
no
answers
no
votes
2017-12-14 00:42:21 -0600
lm35
2%] Built target opencv_cvv_automoc Makefile:160: recipe for target 'all' failed
opencv3.1.0
CUDA
ubuntu14.04
305
views
no
answers
no
votes
2019-07-30 22:16:13 -0600
Srikanth
Trouble building opencv4.1.1 on RHEL 6
RHEL6
linux
4.1.1
build
291
views
no
answers
no
votes
2018-06-05 00:30:24 -0600
khaled elmadawi
Forward propagation of readNetFromTensorflow on GPU not CPU
gpu
opencl
534
views
no
answers
no
votes
2018-05-17 09:52:47 -0600
l.gilson
c++, calling opencv from multiple threads
multiple
calling
threads
solvePnP
579
views
no
answers
no
votes
2018-07-20 06:49:40 -0600
berak
Internal error while loading opencv shared library shared
opencv_calib3d_2.4
1k
views
no
answers
no
votes
2017-06-28 03:26:50 -0600
scobbing
Error with cuda::VideoWriter
CUDA
CreateVideoWriter
1k
views
no
answers
no
votes
2019-08-19 17:02:18 -0600
paubau
Cross-compile for ARM
cross-compilation
docker
arm
731
views
no
answers
no
votes
2020-04-28 10:34:45 -0600
Josvds
Docker build fails on docker hub
docker
build
cmake
opencv
csharp
1k
views
no
answers
no
votes
2018-02-15 02:36:56 -0600
sid311
Adventures in OpenCV Building: OpenCV + Contrib 3.4 build results in neutered Java and Python files and no Matlab bindings
opencv
opencv_contrib
Matlab
python
java
intel
707
views
no
answers
no
votes
2018-11-22 04:10:39 -0600
martin.92
Error with cmake and the opencv_contrib repository [closed]
cmake-gui
cmake
contrib
opencv+contrib
5k
views
no
answers
no
votes
2020-03-11 01:03:57 -0600
raisa_
How do I set up Qt windows for OpenCV in Ubuntu ?
ubuntu18.04
terminal
qt
c++
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