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2,171 questions
Tagged
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
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
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
2k
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
no
answers
-1
votes
2020-12-01 21:13:26 -0600
lilyily
Converting image to grayscale
opencv
python
643
views
1
answer
no
votes
2020-11-28 02:21:26 -0600
berak
How to check if camera is enabled?
python
camera
3k
views
1
answer
no
votes
2020-11-25 11:11:59 -0600
crackwitz
How do I read raw RGB data with Python?
python
raw
708
views
no
answers
no
votes
2020-11-24 10:44:25 -0600
daniel_vdc
Unable to open or export written video
cv2
opencv
python
6k
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
2k
views
1
answer
no
votes
2020-11-19 20:23:12 -0600
crackwitz
How to calculate Optical Flow magnitude?
opticalflow
python
calcOpticalFlow
1k
views
1
answer
no
votes
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
405
views
no
answers
no
votes
2020-11-16 06:56:32 -0600
Srivatsav
cv2 python package folder structure
opencv
python
cv2
453
views
1
answer
no
votes
2020-11-16 06:21:45 -0600
mma
Python wrapper for opencv 4.5
opencv
4.5
python
423
views
1
answer
no
votes
2020-11-15 10:09:09 -0600
berak
python beginner mouseclicking problem
python
CV_EVENT_LBUTTONDOWN
386
views
no
answers
no
votes
2020-11-10 20:02:04 -0600
tester
Can't save video
python
3k
views
2
answers
no
votes
2020-11-03 07:40:40 -0600
supra56
Color threshholding only outputs edge for green color.
python
473
views
no
answers
no
votes
2020-10-29 06:45:50 -0600
sreenija
form a possible rectangle
python
6k
views
1
answer
no
votes
2020-10-27 06:33:17 -0600
flaviu2
Input file is invalid
python
1k
views
no
answers
2
votes
2020-10-26 15:47:52 -0600
kilwa
Algorithm suggestion for texture image matching
featuredetector
LBP
python
texture
4k
views
no
answers
no
votes
2020-10-26 11:15:43 -0600
Rickvanhek
Insanely high cpu usage for simple videocapture (50% cpu usage)
videocapture
rtsp
opencv
python
1k
views
no
answers
-1
votes
2020-10-25 03:48:29 -0600
ItsYasirrr
How to remove black stamp from an image
image-processing
python
332
views
no
answers
no
votes
2020-10-23 05:39:29 -0600
Mandi
assert failed
python
1k
views
no
answers
-1
votes
2020-10-23 02:07:56 -0600
Tehseen
How to find the location of a point in an image in millimeters using camera matrix?
opencv
python
calibrateCamera
cameraCalibration
1k
views
1
answer
1
vote
2020-10-22 11:43:22 -0600
sturkmen
Clicking contours with mouse but only 1 contour can be found? [closed]
opencv
python
contours
mouseevent
1k
views
1
answer
1
vote
2020-10-18 05:11:30 -0600
rgade
Different output from Python and C++ in CalibrateHandEye()
calibrateHandEye
python
c++
opencv
2k
views
no
answers
no
votes
2020-10-17 10:57:39 -0600
sturkmen
Convert Python Into Java / Kotlin using these operations
opencv
java
python
android
1k
views
1
answer
no
votes
2020-10-15 11:53:37 -0600
berak
How to show the confidence level of detectMultiScale "in python"
opencv
python
detectMultiScale
confidence
2k
views
1
answer
no
votes
2020-10-15 09:58:36 -0600
crackwitz
Videocapture using HDMI camera as HDMI input [closed]
opencv
hdmi
Video
capture
python
c++
918
views
1
answer
no
votes
2020-10-13 04:33:44 -0600
berak
I'm getting the following error while using OpenCV
opencv
with
python
1
2
3
4
5
...
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