JPEG DCT (Discrete Cosine Transform) Explained
This video on data compression of digital image files is produced by Sean Riley. In this clip Image Analyst Mike Pound, from the University of Nottingham, explains how DCT compression works and brings you some great examples for better understanding. We like the approach of smart and short knowledge bites by the Computerphile channel and suggest you to subscribe to them for more computer science learning videos.
YouTube: JPEG DCT (Discrete Cosine Transform) Explained
Photo credit: Rabih