[racket] digital image processing

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:

https://github.com/noelwelsh/dct

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.

N.