Vikas Arora 98c8138663 Enable Near-lossless feature. ... Enable the WebP near-lossless feature by pre-processing the image to smoothen the pixels. On a 1000 PNG image corpus, for which WebP lossless (default settings) gets 25% compression gains, following is the performance of near-lossless feature at various '-near_lossless' levels: -near_lossless 90: 30% (very very high PSNR 54-60dB) -near_lossless 75: 38% (very high PSNR 48-54dB) -near_lossless 50: 45% (high PSNR 42-48dB) -near_lossless 25: 48% (moderate PSNR 36-42dB) -near_lossless 10: 50% (PSNR 30-36dB) WebP near-lossless is specifically useful for discrete-tone images like line-art, icons etc. Change-Id: I7d12a2c9362ccd076d09710ea05c85fa64664c38		2015-01-29 16:10:20 -08:00
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cwebp.1	Enable Near-lossless feature.	2015-01-29 16:10:20 -08:00
dwebp.1	add alpha dithering for lossy	2014-06-14 00:06:16 +02:00
gif2webp.1	gif2webp: Add '-min-size' option to get best compression.	2014-10-30 15:17:09 -07:00
Makefile.am	add man/vwebp.1	2014-01-10 17:43:03 -08:00
vwebp.1	add alpha dithering for lossy	2014-06-14 00:06:16 +02:00
webpmux.1	webpmux man page: Clarify some title, descriptions and examples	2014-08-29 14:30:53 -07:00