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gif animation

Gif Animation

GIF images are compressed using the Lempel-Ziv-Welch (LZW) lossless data compression technique to reduce the file size without degrading the visual quality. This compression technique was patented in 1985. Controversy over the licensing agreement between the patent holder, Unisys, and CompuServe in 1994 spurred the development of the Portable Network Graphics (PNG) standard; since then all the relevant patents have expired.
History
CompuServe introduced the GIF format in 1987 to provide a color image format for their file downloading areas, replacing their earlier run-length encoding (RLE) format, which was black and white only. GIF became popular because it used LZW data compression, which was more efficient than the run-length encoding that formats such as PCX and MacPaint used, and fairly large images could therefore be downloaded in a reasonably short time, even with very slow modems.

File information
Filename:726326.gif
Album name:Emoticons
Rating (1 votes):55555
Keywords:#gif #animation
Filesize:2301 KiB
Date added:Nov 23, 2016
Dimensions:390 x 497 pixels
Displayed:83 times
URL:displayimage.php?pid=726326
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