Table 1 Average filesize and standard deviation for alternative transforms with turned off quantisation using Kodak IDB
From: A detailed evaluation of format-compliant encryption methods for JPEG XR-compressed images
Transform | Average filesize (B) | Standard deviation (B) |
|---|---|---|
PCT | 535,220.58 | 46,565.18 |
Yeung-I | 596,817.58 | 43,109.37 |
Yeung-II | 644,850.92 | 44,875.07 |
DST-II | 690,335.83 | 45,423.32 |
DCT | 546,039.38 | 45,785.49 |