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29,830 questions
Tagged
446
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no
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2020-11-08 05:13:03 -0600
sturkmen
measure a curved petiole
segmentation
measure
14k
views
2
answers
1
vote
2020-11-08 03:59:41 -0600
Freeman
detectAndCompute in OpenCV3 "not implemented"?
brisk
ORB
Star
7k
views
1
answer
no
votes
2020-11-06 12:53:10 -0600
stanleyshly
Point Cloud to Depth Map
DisparityMap
points3d
452
views
1
answer
no
votes
2020-11-06 10:58:37 -0600
berak
cuda_*** objects crash in 4.5 (Python)
CUDA
OpenCV4.5
303
views
no
answers
no
votes
2020-11-06 03:57:20 -0600
RegisAG
How to change color of all non transparent pixels to black?
android
1k
views
1
answer
no
votes
2020-11-06 02:17:36 -0600
berak
C++/WinRT, WinUI2/3 and OpenCV
cppwinrt
winui
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
473
views
no
answers
no
votes
2020-11-06 00:14:51 -0600
zxw2600
fail to calibrate fisheye camera
calibrateCamera
2k
views
1
answer
no
votes
2020-11-05 18:57:33 -0600
IamSierraCharlie
What backend API to use with DAHENG MER-132 USB3 Vision camera
DAHENG
MER-132
Mercury
usb3
855
views
no
answers
no
votes
2020-11-05 12:40:07 -0600
vamshee
detect multiple qr code in the captured image using android SDK?
AndroidOpenCV
293
views
no
answers
-1
votes
2020-11-05 04:50:10 -0600
berak
Does OpenCV support react js?
reactjs
3k
views
no
answers
no
votes
2020-11-04 21:12:09 -0600
Crazy Sage
How to calibrate camera with opencv circles grid pattern?
Calib3d
calibration
2k
views
1
answer
no
votes
2020-11-04 21:08:10 -0600
Crazy Sage
OpenCV out of memory problem on imread\imdecode
c++
imread
625
views
no
answers
no
votes
2020-11-04 11:26:41 -0600
vdhers
C++ allocate and copy matrix take too much time
allocate
matrix
time
203
views
1
answer
no
votes
2020-11-04 10:51:54 -0600
berak
package bgsegm appears to be missing from OpenCV 4.5 Java
BackgroundSubtractor
802
views
1
answer
no
votes
2020-11-04 08:59:59 -0600
berak
Train Cascade
create
samples
Trainning
cascade
Cattle
1k
views
no
answers
no
votes
2020-11-04 03:38:18 -0600
wilber1222
How to get raw data by OpenCV?
raw
image
121
views
no
answers
no
votes
2020-11-03 12:04:17 -0600
plswork
Capture frames of an active site [closed]
facialrecognition
449
views
no
answers
no
votes
2020-11-03 11:45:26 -0600
antithing
Opencv aruco::detectMarkers function crashes on AMD processors, runs fine on Intel.
amd
CPU
crash
971
views
1
answer
no
votes
2020-11-03 10:14:43 -0600
cudawarped
Read video from usb/onboard camera using cv::cudacodec::VideoReader
opencv
windows
CUDA
codec
181
views
no
answers
no
votes
2020-11-03 09:30:49 -0600
Hyderman
Display hierarchy lvl on contour.
hierarchy
4k
views
2
answers
no
votes
2020-11-03 07:40:40 -0600
supra56
Color threshholding only outputs edge for green color.
python
1k
views
no
answers
no
votes
2020-11-03 06:24:52 -0600
Sanju
How to enable Windows media foundation hardware acceleration on opencv.
opencv
windows
c++
2k
views
1
answer
no
votes
2020-11-03 06:03:35 -0600
Maaike
Make GpuMat continuous / copy to continuous memory.
gpumat
copyTo
CUDA
continuous
cudamemcpy
538
views
1
answer
no
votes
2020-11-03 03:21:25 -0600
mvuori
I want get image with my device
c++
1k
views
no
answers
no
votes
2020-11-02 22:20:40 -0600
supra56
Why pytesseract.image_to_data fails to recognize text?
edgedetection
shapedetection
OCR
1k
views
no
answers
no
votes
2020-11-02 16:55:50 -0600
moisu
Template Matching with Multiple Objects C++ Code
templateMatch
2k
views
1
answer
no
votes
2020-11-02 15:40:17 -0600
iacisme
Issues encoding image captured using cv2.VideoCapture(). Goal is to display image in an iPywidget
image
image_encoding
756
views
2
answers
3
votes
2020-11-02 11:17:38 -0600
sturkmen
Number extraction on metal surface1
tesseract
watershed
1k
views
no
answers
1
vote
2020-11-02 09:41:08 -0600
amateurpirate
No effect from setting CAP_PROP_GAIN
camera
gain
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