Lossless Medical Image Compression by Integer Wavelet and Predictive Coding

Table 3

Compression ratio of Type II scheme.

Serial number	Name of image	Format	Original size	Encoded size	Compression ratio
1	Ulsar	bmp	263 kb	175 kb	1 : 1.50
		jpg	54.1 kb	13.2 kb	1 : 4.00
2	Skull	bmp	516 kb	289 kb	1 : 1.78
		jpg	27.5 kb	13.9 kb	1 : 1.97
3	MRI	bmp	168 kb	129 kb	1 : 1.30
		jpg	10.2 kb	9.56 kb	1 : 1.06
4	Infrared	bmp	3 mb	395 kb	1 : 7.77
		jpg	596 kb	59.8 kb	1 : 9.90
5	Boat	bmp	768 kb	395 kb	1 : 1.94
		jpg	83.6 kb	39.8 kb	1 : 2.10
6	Ulsar_infrared	bmp	263 kb	175 kb	1.50 : 1
		jpg	20 kb	9.28 kb	2.15 : 1