Tricks of the trade: lossy compression aims to remove the stuff that's least perceptible.
Note: The article makes an over simplification. The primary channel is "luma" which is derived from R,G and B. G is a big contributor to luma. By the way, the human visual system works amazingly well considering how much it sucks. Lossy compression is about taking advantage of the suckitude.
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Note: The article makes an over simplification. The primary channel is "luma" which is derived from R,G and B. G is a big contributor to luma. By the way, the human visual system works amazingly well considering how much it sucks. Lossy compression is about taking advantage of the suckitude.
- mark 10-25-2010 11:00 pm