Let's Write a Video Codec, Part 1: the DCT | HackerNoon
Mai 19, às 09:04
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Let's Write a Video Codec, Part 1: the DCT [email protected] Long; Didn't ReadThe Discrete Cosine Transform, or DCT, is a math-based method that comes in handy for image and signal processing. DCT takes an...
Let's Write a Video Codec, Part 1: the DCT by@petertech
Too Long; Didn't Read
The Discrete Cosine Transform, or DCT, is a math-based method that comes in handy for image and signal processing. DCT takes an input signal and breaks it down into a bunch of cosine functions, each with its own frequency and size. It examines the frequency content of an image and spots the parts that can be thrown away without making a big difference to the image's quality.
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