More to the point (follow the line...)
...JPEG compression works by identifying regions of similar shading or color, and averaging large blocks together. PNG/GIF tends to be more vector oriented, and maps lines.
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Result: JPEG works pretty well for images and paintings (blobs of color). PNG/GIF works better for line drawings and text, uses where JPEG tends to produce "edge jitter".
--\r\nKarsten M. Self [link|mailto:kmself@ix.netcom.com|kmself@ix.netcom.com]\r\n[link|http://kmself.home.netcom.com/|http://kmself.home.netcom.com/]\r\n
What part of "gestalt" don't you understand?\r\n
[link|http://twiki.iwethey.org/twiki/bin/view/Main/|TWikIWETHEY] -- an experiment in collective intelligence. Stupidity. Whatever.\r\n
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Keep software free. Oppose the CBDTPA. Kill S.2048 dead.\r\n[link|http://www.eff.org/alerts/20020322_eff_cbdtpa_alert.html|http://www.eff.org/alerts/20020322_eff_cbdtpa_alert.html]\r\n
