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783 questions
Tagged
592
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
2k
views
no
answers
6
votes
2014-08-06 15:18:52 -0600
protonmesh
OpenCV Displaying UMat Efficiently
UMat
opengl
buffer
3k
views
no
answers
no
votes
2014-09-22 08:08:58 -0600
Aleksandr Motsjonov
Build Opencv 3 alpha with Python support
#3.0.0
#python
#build
682
views
no
answers
no
votes
2016-12-16 13:37:12 -0600
Yulin
building Opencv 3.1.0 with cuda 8.0 in Ubuntu 14.04
CUDA
854
views
no
answers
no
votes
2017-06-22 12:34:24 -0600
danieltak
Error 'Exception thrown: write access violation' with sample objectDetection.cpp [closed]
build_failure
objectDetection.cpp
types.hpp
1k
views
no
answers
1
vote
2018-10-29 11:28:18 -0600
kbarni
OpenCV in parallel threads
tbb
Multithreading
585
views
no
answers
1
vote
2018-12-04 18:16:34 -0600
ars0
Could not generate .wasm file when building opencv.js
OpenCV.js
webassemby
120
views
no
answers
no
votes
2019-01-23 09:57:37 -0600
peter_cz
OPENCV_OCL4DNN_DISABLE_AUTO_TUNING
dnn
160
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
339
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
975
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
2k
views
no
answers
no
votes
2020-07-29 17:30:02 -0600
sydsdk
Compiling Tracker from tutorial leads to error: ‘Tracker’ was not declared in this scope
tracking
cpp
c++
opencv_contrib
398
views
no
answers
no
votes
2020-10-03 08:13:01 -0600
candleboy_
I'm having major issues with setting up h/w accelerated video capture on Windows 10. Would appreciate any and all help and advice.
windows
videocapture
1k
views
no
answers
no
votes
2013-05-07 22:43:22 -0600
jluzwick
Problem with imshow in opencv 2.4.5 and ubuntu 13.04 [closed]
imshow
ubuntu13.04
332
views
no
answers
4
votes
2015-01-23 11:53:20 -0600
mgb
OpenCV 3.0.0 roadmap [closed]
opencv-3.0.0
roadmap
1k
views
no
answers
no
votes
2015-05-14 04:03:52 -0600
AspireStone3
Why OpenCV 3.0.0 doesn't build .jar file in Mac OSX (Eclipse)? [closed]
Eclipse
opencv
java
yosemite
456
views
no
answers
no
votes
2016-12-06 01:59:23 -0600
pi-null-mezon
CUDA backend for the opencv_dnn
dnn
caffe
CUDA
1k
views
no
answers
no
votes
2016-12-07 02:33:04 -0600
Humam Helfawi
Can not find Java folder in OpenCV build
android
543
views
no
answers
no
votes
2017-08-12 22:53:46 -0600
Uma
clGetPlatformIds is failed for Mobile GPU (Adreno 405)
android#opencv
181
views
no
answers
2
votes
2017-09-12 02:17:49 -0600
mihaibujanca
Module directory structure
modules
directory
CUDA
headers
345
views
no
answers
no
votes
2018-01-30 19:33:33 -0600
ambitiouszty
after "17. right-click on INSTALL and build it" successfully, I still can't import cv2
building
opencv
from
source
958
views
no
answers
no
votes
2018-02-20 04:09:19 -0600
micmac
Features2D + Homography to find a known object on GPU/OpenCL
descriptor
matcher
gpu
ocl
ORB
fast
652
views
no
answers
1
vote
2018-03-30 06:21:56 -0600
Vahe
OpenCV object detection run error
opencv
objectdetection
python
740
views
no
answers
no
votes
2018-06-20 00:36:56 -0600
berak
error 2 compiling OpenCV3.4 with Cmake
error
compile
opencv
3.4
cmake
387
views
no
answers
no
votes
2018-06-20 09:30:30 -0600
toiski
libtbb segfault on second attempt in boost::thread on ARM/aarch64
arm64
c++
segfault
Multithreading
cvtColor
tbb
665
views
no
answers
no
votes
2018-07-12 10:16:33 -0600
berak
failing cmake configure for opencv on Jetson TX2
cmake
Jetson
tegra
TX2
301
views
no
answers
no
votes
2018-08-01 14:40:06 -0600
altimerk
opencv_test_cudacodec fails
CUDA
videoio
cudacodec
401
views
no
answers
no
votes
2018-10-09 04:56:05 -0600
Mikelle02
Unknown error code -220 on cv::ocl::attachContext
c++
opencv
android
213
views
no
answers
no
votes
2018-11-02 23:47:52 -0600
Rakshita
Open CV -Error building library with cmake-eclipse
Builderror#openCV
95
views
no
answers
1
vote
2019-03-31 23:46:14 -0600
carman espanola
Classification of Sample DNN doese not working [closed]
sample
dnn
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