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A comment on Discrete Cosine Transform in Video Compression – Explain Like I'm Five.

Re:Discrete Cosine Transform in Video Compression – Explain ... by cevans01 on Wednesday August 26, 2020 @10:28AM (#24282774)
For those that have already worked with the FFT a bit, there are ways to use the FFT to calculate a DCT:

https://dsp.stackexchange.com/questions/2807/fast-cosine-tra...

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