https://kdepepo.wordpress.com/2012/10/11/imagezero-5x-faster-than-webp/
Co si myslite o jednotlivych metodach? V te tabulce je zajimavy ten imagezero.
Ja si treba myslim, ze kdyby jpeg misto hufmana pouzil gzip pro neztratovou metodu, tak by to probehlo rychleji.
Software / License Size (% of 3.46 GB) Compression Decompression
uncompressed 100.0% – –
bzip2 -1 (bzip2 Licen) 56.3% 476 s 218 s
PNG (libpng License) 42.5% 844 s 72 s
ImageZero (BSD) 41.3% 23 s 21 s
JPEG-LS (HP License) 37.4% 107 s 92 s
lossless WebP (BSD) 35.6% 7525 s 110 s
Flic (proprietary) 30.0% 210 s 231 s
Gralic (proprietary) 28.1% 1734 s 1897 s