[racket] digital image processing

From: Noel Welsh (noelwelsh at gmail.com)
Date: Sat Nov 6 05:56:48 EDT 2010

On Sat, Nov 6, 2010 at 9:52 AM, Neil Van Dyke <neil at neilvandyke.org> wrote:
> 김태윤 wrote at 11/06/2010 05:33 AM:
>> I was so suprised that I am finding about digital image processing.
>> (since I heard that lisp and its dialect is good for artificial
>> intelligence)
> I do not know whether anyone is yet doing image/video processing in Racket.

This is what I've done:


It is the discrete cosine transform, which is used for JPEG
compression and other operations. I was mainly profiling safe vs
unsafe ops so I used a O(n^2) rather than O(n log n) algorithm.


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