GIF is a lossless compression introduced by CompuServe in 1987 using Lempel-Ziv-Welch (LZW) lossless data compression.
lossless
they are lossless...
Lossy
lossless
shush
JPG's not too bad but GIF is terribly lossy
plane waves in lossy dielectrics
Lossless. Compression techniques do not remove detail from the image.
Lossy= You lose somedata Lossless= You dont
The most common file extensions for image files are: GIF: Old, can be animated, 8-bit color JPEG/JPG: High compression rate, No transparency, lossy PNG: Can be transparent, lossless
Pict files can use 2 different forms of compression. 1- RLE Compression (the default) is lossless. 2- JPEG compression (only on some systems/graphics programmes) is lossy.