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For a lossy algorithm based on human vision characteristics (e.g., JPEG) it would be quite surprising. However, PNG is lossless and is based on DEFLATE, a gener
by wrs 16y ago
For a lossy algorithm based on human vision characteristics (e.g., JPEG) it would be quite surprising. However, PNG is lossless and is based on DEFLATE, a general-purpose compression algorithm. So actually this makes perfect sense. (See http://en.wikipedia.org/wiki/Portable_Network_Graphics#Compression http://en.wikipedia.org/wiki/Portable_Network_Graphics#Compr...)
- studer 16y agoPNG uses a predictor tuned to image data, though, so it's a bit tricker than that. But it's good enough for this purpose.