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# compression posts

## Lossy Image Compression

Every time you take a picture on your phone, most of the data is thrown away. Lossy image compression is the art of throwing away what your eyes won’t notice. Note: at no point will this blog cover middle-out compression the pixels on most screens emit three different colors of light: red , green and blue . The reason those colors where chosen is that human color perception is enabled by cone cells, with cells that respond to red, green and blue light.