OpenCV: Advanced Binary Operations (Contours, Moments, Convex Hull, Shape Matching, Convexity, etc.)
Several advanced operations on binary images are shown in this video, including:
contours, 0:16
moments, area, perimeter, 7:01
Convex Hull and convexity, 12:47
Bounding Rectangle and Min Bounding Rectangle, Aspect Ratio, Extent, Solidity, 16:20
Min Enclosing Circle and Fitted Ellipse, 24:17
Matching Shapes and Hu Invariant Moments, 27:35