Computer Vision, Explained.
A living knowledge publication dedicated to computer vision.
Articles
All articles →Motion & Tracking
Feature TrackingHow distinctive image points are selected and followed across video frames, using the classic KLT tracker as the main example.
Image Processing & Computational Photography
Image GradientsHow image gradients measure the direction and strength of intensity change, and why they underpin edges, corners, and motion estimation.
Motion & Tracking
Optical FlowThe apparent motion of image content between two frames, represented as a two-dimensional displacement at every pixel.