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Creating multiple ROI on webcam video
Im trying to create multiple ROIs over my webcam stream. Ive used this library called roipoly (https://github.com/jdoepfert/roipoly.py)
I modified the example code (examples/multi_roi_example.py) to w...
anshika singh
Votes: 0
Answers: 1
How to extract an area of a video using coordinates from cv2.rectangle
I'm trying to write a code in Python that should read a video and at any time the user must be able to draw a rectangular area on it.
After that I use the rectangle coordinates to extract the area sel...
Daniele Radaelli
Votes: 0
Answers: 0
Is there a way to prevent a rectangular pyqtgraph ROI to not move left-right?
I have this snippet from part of a code I'm working on with pyqtgraph ROI. I have also set boundaries in which the ROI cannot cross on all sides. When I move either of the vertical scale handles, it g...
SorinT
Votes: 0
Answers: 1
How do OpenCV's selectROI coordinates work?
I need to use the selectROI function for my project. However, I just can't seem to wrap my head around the format of the coordinates. According to this link, the coordinate array should be in this for...
curd_C
Votes: 0
Answers: 1