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29,830 questions
Tagged
272
views
no
answers
no
votes
2020-05-26 05:03:31 -0600
Bach
OpenCV Lucas-Kanade object tracking: slow down in Windows
Lucas-Kanade
object-tracking
object_recognition
windows
213
views
no
answers
no
votes
2020-05-26 05:29:25 -0600
healthy_H
copied opencv code slower than pre-compiled code
c++
opencv
compile
time
1k
views
no
answers
no
votes
2020-05-26 06:57:24 -0600
supra56
Acne Detection OpenCV [closed]
houghcircle
python
canny
1k
views
2
answers
no
votes
2020-05-26 07:01:09 -0600
Rok
OpenCV DNN net.forward giving segmentation fault.
dnn
openvino
RaspberryPi
tensorflow
1k
views
1
answer
no
votes
2020-05-26 07:12:48 -0600
supra56
Triangle detection - Canny failing on corner [closed]
opencv
python
canny
approxPolyDP
373
views
no
answers
no
votes
2020-05-26 10:32:39 -0600
albeh95
Object detection using ORB [closed]
objectdetection
163
views
no
answers
1
vote
2020-05-26 11:19:55 -0600
Neb
Calculate histogram using Graph API (G-API)
GAPI
calcHist
histogram
4k
views
1
answer
no
votes
2020-05-26 11:35:28 -0600
Rok
module qtdemux0 reported: Internal data stream error [closed]
gstreamer
1k
views
no
answers
no
votes
2020-05-26 20:15:14 -0600
healthy_H
Does using a Intel C++ compiler instead of the standard g++ compiler in compiling opencv codes make difference in algorithm times???
opencv
compiler
executiontime
intelcompiler
289
views
no
answers
no
votes
2020-05-26 21:27:04 -0600
swkim
How to estimate cars speed with video from rear view camera
speed-estimation
car-detection
761
views
1
answer
no
votes
2020-05-27 02:57:52 -0600
berak
How can I remove the metadata from my image.
image
metadata
654
views
1
answer
1
vote
2020-05-27 03:33:00 -0600
kpachinger
detecting multi color document with OpenCV4Android
android
opencv
canny
drawContours
segmentation
HoughLines
1k
views
1
answer
no
votes
2020-05-27 04:06:29 -0600
kbarni
what contains cv::Mat data
32Bit#opencv4.0
Mat.data
socket
413
views
1
answer
no
votes
2020-05-27 07:26:56 -0600
supra56
Issue with np.zeros() while trying to get a black background
background
4k
views
1
answer
no
votes
2020-05-27 08:14:38 -0600
Amal
error: Unsupported activation: mish in function 'cv::dnn::darknet::ReadDarknetFromCfgStream'
yolov4
opencv
activation_mish
318
views
no
answers
no
votes
2020-05-27 09:53:23 -0600
Rok
Tracker property access fails with SEGFAULT on ARM, but works in X86_64
tracking
pointer
SegmentaionFault
arm
272
views
1
answer
no
votes
2020-05-27 13:16:15 -0600
kpachinger
OpenCV camera works really strange (Android)
android
opencv
camera
275
views
no
answers
no
votes
2020-05-27 19:59:29 -0600
jadengao
Is OpenCV allowed to use in windows user space driver of camera?
windows
opencv
camera
driver
MFT
85
views
no
answers
no
votes
2020-05-28 01:44:38 -0600
mm1994uestc
Which Opencv algorithm is supported by TAPI?
opencvtapiopencldsp
694
views
1
answer
no
votes
2020-05-28 03:47:25 -0600
supra56
Video camera -Windows Visual C++ build works, gcc doesn't
gcc
CaptureVideo
1k
views
no
answers
no
votes
2020-05-28 04:13:43 -0600
albeh95
Drawing a rectangle around detected object with SIFT [closed]
SIFT
161
views
1
answer
no
votes
2020-05-28 04:23:21 -0600
berak
having trouble to access to pixels in ROI
c++
opencv
729
views
1
answer
no
votes
2020-05-28 09:45:20 -0600
kbarni
Is there a function to average (mean) filter for a pixel?
filter2D
average
opencv4
830
views
1
answer
no
votes
2020-05-28 10:30:14 -0600
kbarni
image segmentation
image-segmentation
1k
views
no
answers
-1
votes
2020-05-28 12:41:00 -0600
berak
imx8: resize.cpp:3784: error: (-215:Assertion failed) !ssize.empty() in function 'resize'
opencv
1k
views
1
answer
no
votes
2020-05-28 15:37:20 -0600
albeh95
'type' undeclared identifier opencv traits.hpp
object-tracking
1k
views
1
answer
1
vote
2020-05-29 01:09:30 -0600
berak
How do I see outputs of every layer of DNN OpenCV Python (visualization tool)?
Visualization
opencv
python
dnn
607
views
1
answer
no
votes
2020-05-29 02:26:31 -0600
berak
Load an SVM from a string in Python?
python
SVM
FileStorage
268
views
no
answers
no
votes
2020-05-29 02:46:49 -0600
holger
Silly License Question [closed]
dnn
module
License
2k
views
no
answers
no
votes
2020-05-29 04:52:13 -0600
Bavokn
Cannot run yolov3 on GPU with Cuda 10.2 in docker container
CUDA
gpu
darknet
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