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2,171 questions
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python
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2020-11-18 13:03:14 -0600
Tina J
cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'
copencv
opencv
python
opencv4.0
4k
views
no
answers
-2
votes
2020-11-21 14:28:23 -0600
berak
cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2
cv2
python
assertionerror
facial_expression
532
views
no
answers
no
votes
2020-11-24 10:44:25 -0600
daniel_vdc
Unable to open or export written video
cv2
opencv
python
2k
views
1
answer
no
votes
2020-11-25 11:11:59 -0600
crackwitz
How do I read raw RGB data with Python?
python
raw
429
views
1
answer
no
votes
2020-11-28 02:21:26 -0600
berak
How to check if camera is enabled?
python
camera
588
views
no
answers
-1
votes
2020-12-01 21:13:26 -0600
lilyily
Converting image to grayscale
opencv
python
1k
views
no
answers
no
votes
2020-12-02 03:30:41 -0600
maw
imshow no window on Mac Big Sur with Python [closed]
opencv
python
imshow
1k
views
1
answer
1
vote
2020-12-02 21:10:57 -0600
sturkmen
Did convexityDefects function behaviour changed between cv2 versions 4.2.0 and 4.3.0?
python
build_opencv_python
convexityDefects
contours
1k
views
no
answers
no
votes
2020-12-02 09:38:34 -0600
amateurpirate
Duplicate frames in saved file from cv2.VideoWriter
CAP_PROP_FPS
USBcamera
cv2.videocapture
python
cv2.VideoWriter
1k
views
1
answer
no
votes
2020-12-03 09:34:06 -0600
berak
Real-time webcam stream very slow with pixel manipulation
opencv
python
1k
views
no
answers
no
votes
2020-12-15 02:29:38 -0600
sas
findCirclesGrid can't find sub-pattern with hollow insides
opencv
python
findCirclesGrid
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