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370 questions
Tagged
1k
views
no
answers
1
vote
2018-12-04 07:51:18 -0600
Zana Zakaryaie Nejad
What is HAL exactly? Whats the difference between HAL and T-API?
opencv
hal
neon
T-API
91
views
no
answers
no
votes
2019-01-23 10:56:37 -0600
peter_cz
How to detect workgroup size used?
dnn
149
views
no
answers
no
votes
2019-04-25 20:01:02 -0600
zack
GaussianBlur in windows10 vs2017 and ubuntu g++ has different speed?
ubuntu
time
vs2017
875
views
no
answers
no
votes
2019-06-06 19:34:23 -0600
TomH
can't open URL video source with opencv-python cv2.VideoCapture()
opencv
python
513
views
no
answers
no
votes
2019-09-08 21:23:55 -0600
karl liu
failed to compile OpenCV with CUDA at opencv_cudev module
build
893
views
no
answers
no
votes
2019-10-03 12:52:46 -0600
bevilacq12
Trying to make OpenCV conan package with FFmpeg support, not working
conan
package
ffmpeg
160
views
no
answers
1
vote
2019-12-07 15:13:21 -0600
TigerShark
Brute Force Matcher with OCL won't run on GPU
ocl
DescriptorMatcher
1k
views
no
answers
no
votes
2019-12-30 20:45:29 -0600
supra56
Build OpenCV 4.x for Android with c++_static
build
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
516
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
801
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
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
583
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
680
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
1k
views
no
answers
1
vote
2018-10-29 11:28:18 -0600
kbarni
OpenCV in parallel threads
tbb
Multithreading
576
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
118
views
no
answers
no
votes
2019-01-23 09:57:37 -0600
peter_cz
OPENCV_OCL4DNN_DISABLE_AUTO_TUNING
dnn
157
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
328
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
974
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
380
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
454
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
534
views
no
answers
no
votes
2017-08-12 22:53:46 -0600
Uma
clGetPlatformIds is failed for Mobile GPU (Adreno 405)
android#opencv
178
views
no
answers
2
votes
2017-09-12 02:17:49 -0600
mihaibujanca
Module directory structure
modules
directory
CUDA
headers
335
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
947
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
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