JPEG DCT, Discrete Cosine Transform (JPEG Pt2)- Computerphile
Computerphile · 6 HN recommendations
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Mike Pound explains the discrete cosine transform and how it underpins JPEG compression. It is part two of Computerphile's JPEG series.
Why HN recommends it: HN recommends it as an easy, clear intro to the DCT that finally made it click for several commenters.
“I finally understood DCT after watching” Read on HN ↗