Legacy ImageMagick Discussions Archive

well, according to the compressor I'm using, it "It removes "garbage" from PNG files, cleans huffman symbols and does others tricks to optimize the Deflate structure. A quick cleaner which can be efficient after a PNG optimizer, and a PNG compressor. It does RGB space cleaning, palette optimization ...

http://dl.dropbox.com/u/19051412/1.png http://dl.dropbox.com/u/19051412/2.png 1.png is the original, and 2.png is after running through a png optimizer. With ae metric and my eye, both say that there is no difference between them. Why is it then all the other metrics report there is a significant ...