Computer Vision, Explained.
A living knowledge publication dedicated to computer vision.
Articles
All articles →Motion analysis
Feature TrackingHow distinctive image points are selected and followed across video frames, using the classic KLT tracker as the main example.
Image processing
Image GradientsHow image gradients measure the direction and strength of intensity change, and why they underpin edges, corners, and motion estimation.
Motion analysis
Optical FlowHow optical flow estimates the apparent motion of image content between frames, and the assumptions behind the classic methods.