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I notice that the low frequency components represent the large scale features of the image while the high frequency components seem to fill in the details. May

I notice that the low frequency components represent the large scale features of the image while the high frequency components seem to fill in the details. Maybe we could use this to build a human powered custom compression algorithm since they work by discarding components which don't make much of a difference.

darkmighty 12y ago
http://en.wikipedia.org/wiki/Quantization_%28image_processing%29#Quantization_matrices http://en.wikipedia.org/wiki/Quantization_%28image_processin...
tripzilch 12y ago
You just (sort of/kind of) reinvented JPEG ;-) (before anyone nitpicks: yes JPEG uses DCT and blablabla, sorry)