First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
relevance
date ▼
activity
answers
votes
370 questions
Tagged
1k
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
1k
views
no
answers
no
votes
2020-11-06 02:07:00 -0600
gino0717
can I use yolo v4 model in dnn in opencl?
dnn
opencl
670
views
no
answers
no
votes
2020-10-21 06:32:50 -0600
sbofirov
Cannot reproduce same build
remap
compile
build
optimization
720
views
no
answers
no
votes
2020-10-05 03:26:29 -0600
Jiftoo
What would be the best approach to detect walls or corridors in this game?
edge-detection
game
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
227
views
no
answers
no
votes
2020-09-25 05:34:38 -0600
Supreeth Kumar Y P
How to update UMat when Mat is updated?
c++
opencv
Mat
UMat
opencl
592
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
454
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
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
1k
views
no
answers
1
vote
2020-08-08 19:02:01 -0600
PKGosal
error importing cv2 in python3.6 but it works for python2.7
opencvpython
601
views
no
answers
no
votes
2020-08-04 04:03:50 -0600
boaz001
Memory leak in RGB2Lab
RGB2Lab
memoryleak
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
1k
views
no
answers
no
votes
2020-07-08 08:55:49 -0600
laura
OpenCL error CL_INVALID_VALUE in findChessboardCornersSB
opencl
cpp
c++
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
555
views
no
answers
no
votes
2020-06-22 15:12:06 -0600
Jimmy2020
DNN OPENCL is not working on AMD GPU
c++#dnn#opencl
283
views
no
answers
no
votes
2020-06-16 09:15:18 -0600
berak
ERROR WHILE INSTALLING OPENCV-3.4.9 IN UNBUNTU 20.--OPENCV_VIDEOSTAB
ubuntu20
OPENCV-3.4.9
opencv_videostab
1k
views
no
answers
no
votes
2020-06-16 01:50:53 -0600
Leon1029
error adding symbols: File format not recognized
installation
build
cmake
error
mingw
515
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
885
views
no
answers
no
votes
2020-06-08 10:18:49 -0600
richard__a
Help building openCV + contrib libraries using CMake visual studio 2019
cmake
contrib_error
build
visual
c++
anaconda
847
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
87
views
no
answers
no
votes
2020-05-28 01:44:38 -0600
mm1994uestc
Which Opencv algorithm is supported by TAPI?
opencvtapiopencldsp
140
views
no
answers
no
votes
2020-05-20 18:31:16 -0600
plugwash
why does matallocator have two allocate functions.
CvMat
239
views
no
answers
no
votes
2020-05-14 08:00:49 -0600
berak
OpenCV4.3.0 build with OpenCL
ocl
android
554
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
3k
views
no
answers
no
votes
2020-04-21 13:42:12 -0600
hant
Opencv-Python built for Windows x64 Python 3.7, .pyd file not found, OpenCV modules unavailable
copencvpython
pyd
cv2.pyd
cmake
build
python3.7
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
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
101
views
no
answers
no
votes
2020-03-16 16:59:12 -0600
TigerHwang
OCL device memory leak
memoryleak
339
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
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
1
2
3
4
5
...
13
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×11
build
×5
c++
×5
opencl
×4
android
×3
cmake
×3
cpp
×3
dnn
×3
python
×3
anaconda
×2
memoryleak
×2
visual
×2
64-bitwindows
×1
caffeemodel
×1
camera
×1
CAP_PROP_FPS
×1
CAP_PROP_FRAME_COUNT
×1
CaptureVideo
×1
c++#dnn#opencl
×1
compile
×1
contrib_error
×1
copencvpython
×1
CUDA
×1
cv2.pyd
×1
CvMat
×1
detection
×1
directx
×1
edge-detection
×1
error
×1
game
×1
get
×1
InferenceEngine
×1
installation
×1
java
×1
jupyter
×1
linux
×1
Mat
×1
mingw
×1
objection
×1
ocl
×1
OPENCV-3.4.9
×1
opencv_contrib
×1
opencvpython
×1
opencv-python
×1
opencvtapiopencldsp
×1
opencv_videostab
×1
optimization
×1
pyd
×1
python3.7
×1
remap
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×