Table 2: Compression results with different ratios.

, 0.800.650.500.250.10

Image1406349.tab.002a406349.tab.002b406349.tab.002c406349.tab.002d406349.tab.002e
NC0.80710.73250.71430.54970.4449
Image2406349.tab.002f406349.tab.002g406349.tab.002h406349.tab.002i406349.tab.002j
NC0.77650.69700.66030.53680.4186
Image3406349.tab.002k406349.tab.002l406349.tab.002m406349.tab.002n406349.tab.002o
NC0.63630.57890.56210.51000.5037