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783 questions
Tagged
8k
views
2
answers
3
votes
2016-02-16 13:44:41 -0600
pthomet
solvePnP fails with perfect coordinates (and cvPOSIT passes)
solvePnP
edges
558
views
1
answer
no
votes
2016-03-14 03:24:11 -0600
kbarni
Unable to compile on Debian
compile
debian
makefile
1k
views
1
answer
no
votes
2016-05-26 23:44:51 -0600
JMorgie
matchTemplate c++ exception first time only
c++
matchTemplate
3k
views
1
answer
1
vote
2018-07-12 08:43:56 -0600
kishan patel
hdf5.h no such file or directory
opencv
24k
views
1
answer
no
votes
2018-06-19 19:45:29 -0600
MenukaIshan
Uninstalling Opencv 4.0.0 to 3.4
opencv
ubuntu
3.4
3.4.1
1k
views
1
answer
4
votes
2018-10-06 08:18:22 -0600
Eduardo
What's the future of cuda modules after Opencv 4
gpu#cuda#opencv
6k
views
1
answer
no
votes
2019-08-11 11:22:14 -0600
holger
OpenCV 4.1 + Python 3 + CUDA
opencv
python
CUDA
featurematching
1k
views
2
answers
no
votes
2020-03-02 19:10:54 -0600
HYPEREGO
How to use multiprocessing with OpenCV-C++ ?
opencv
c++
multiprocessing
2k
views
1
answer
no
votes
2017-01-26 13:30:54 -0600
LBerger
Why is the first openCV API call so slow?
performance
profiling
threshold
c++
opencv
916
views
1
answer
1
vote
2016-12-05 02:33:51 -0600
pi-null-mezon
Sequence of calls in the cv::gemm(...) function
GEMM
dnn
Speedup
930
views
1
answer
no
votes
2018-11-27 04:32:53 -0600
Simontraww
Opencv (3.2.0) Compile Android with NEON provide a lot of errors (3.4.4 works only for compiling)
android
ndk
arm-neon
compile
studio
2k
views
1
answer
no
votes
2019-04-15 04:26:48 -0600
StevenPuttemans
OpenCV Yolo Tiny Slow
opencv
yolo
c++
tiny
objectdetection
camera
622
views
2
answers
no
votes
2019-06-19 02:14:00 -0600
Daraen
Cannot read net from Model Optimizer
model
optimizer
openvino
xml
bin
597
views
1
answer
no
votes
2019-09-13 04:27:40 -0600
kbarni
Working on GPU in a generic way
gpu
379
views
1
answer
1
vote
2020-03-19 11:05:46 -0600
mvuori
malloc.h error when building in a freenas jail
freenas
FreeBSD
malloc
2k
views
1
answer
1
vote
2012-10-02 15:47:54 -0600
karlphillip
Does OpenCV support PowerVR SGX540 GPU?
gpu
Pandaboard
arm
hardware
acceleration
204
views
1
answer
no
votes
2015-12-10 20:28:53 -0600
sturkmen
I wonder how to operate opencv
android
741
views
1
answer
2
votes
2016-12-29 02:24:09 -0600
pi-null-mezon
Why cv::CascadeClassifier works slover in 320 version?
cascadeclassifier
3.2.0
676
views
1
answer
1
vote
2015-08-04 11:32:58 -0600
LBerger
Background Subtraction example
opencv
backgroundMOG2
644
views
1
answer
no
votes
2013-09-17 14:05:04 -0600
Moster
Opencv4Android: are the opencv calls running on gpu or cpu?
CPUvGPU
1k
views
1
answer
1
vote
2015-04-16 03:03:34 -0600
bruceyo
OpenCV 3.0 problems building dlls and libs
#opencv
#dlls
#libs
#visual-studio-2012
1k
views
2
answers
no
votes
2016-04-27 08:41:24 -0600
meisam
How to read pixel every frame?
read
frames
1k
views
1
answer
no
votes
2015-09-09 00:25:12 -0600
biaspoint
What's causing the assertion fail in cv::ocl::convertFromImage
3.0.0
assertion_failed
ocl
convertfromimage
9k
views
1
answer
4
votes
2015-12-22 07:08:11 -0600
theodore
Opencv+kinect one(kinect for windows v2)+linux+libfreenect2?
opencv
kinect_one
libfreenect2
550
views
1
answer
no
votes
2015-12-01 19:32:34 -0600
pradeep_kb
cvCaptureFromCAM(x) returning NULL, tried with X = 0,1, 2.. on raspberry pi2
camera
cvCaptureFromCAM
c++
raspberrypi2
363
views
1
answer
1
vote
2016-11-30 06:16:02 -0600
strann
cv::merge execution time on CV_32S
merge
1k
views
1
answer
1
vote
2017-10-13 05:49:01 -0600
mshabunin
Is there an advantage to building opencv yourself?
build
410
views
1
answer
no
votes
2018-05-17 04:28:05 -0600
berak
Is it possible to use GPU for forward pass of a tensorflow model in opencv 3.4.1 dnn
dnn.forward
gpu
CUDA
614
views
no
answers
no
votes
2018-06-08 01:58:34 -0600
joshuafc
OpenCV EGL support for none X Server environment offscreen render
opencv
egl
offscreen
render
glx
1k
views
1
answer
no
votes
2018-06-13 04:27:44 -0600
AlexLopez
YOLO v2 outputs zero scores and classes
yolo
c++
opencv
dnn
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