Home > Uncategorized > On Run-Length-Encoding (RLE) compression

On Run-Length-Encoding (RLE) compression

If you ever have to work with legacy code directly manipulating BMP image files, this Wikipedia article on RLE is a useful reading, since RLE (Run-Length-Encoding) is one of the popular compression schemes used in the BMP image container format.

Although simple, RLE when used on palletized images (especially drawings on simple Paint-like programs) can do a decent compression. Can even apply it on each color plane separately if storing Red/Green/Blue fields separately in some custom image format (or HSI, CMYK, or whatever color representation we use).

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