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A comment on Introducing the ‘mozjpeg’ Project. Parent comment

Re:Introducing the ‘mozjpeg’ Project by Yaa101 on Wednesday March 05, 2014 @05:18PM (#7350345)
The part that is amazing is called fast Fourier transform (http://en.wikipedia.org/wiki/Fast_Fourier_transform), it enabled the way we do stills, audio and video nowadays.

But there is more: (https://www.google.nl/search?q=fast+fourier+transform+use+ca...)

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Re:Introducing the ‘mozjpeg’ Project by tripzilch on Thursday March 06, 2014 @08:27AM (#7353480)
Except that JPEG uses the Discrete Cosine Transform on 8x8 blocks of pixels, which, afaik doesn't make use of the FFT.
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Re:Introducing the ‘mozjpeg’ Project by nitrogen on Thursday March 06, 2014 @12:30PM (#7355156)
The DCT is analogous to the FFT.
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