JPEG DCT, Discrete Cosine Transform (JPEG Pt2)- Computerphile
Computerphile · 6 则 HN 推荐
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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.
HN 推荐的原因： 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” 阅读 HN 讨论 ↗