Copyright 1998, Southern California OS/2 User Group
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Image formats defined
- JPEG (.JPG) - Joint Photographic Experts Group
- pronounced "jay-peg"
- several methods defined by standard
- most commonly used is JFIF
- incorporates discrete cosine transform (DCT) to compress
- GIF - Graphic Interchange Format
- pronounced "jiff", like the peanut butter
- developed for 256-color images
- proprietary to Compuserve
- incorporates LZW by license from Unisys
- impact of legal battle between Unisys and Compuserve still not clear
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