Fractal Image Coding Based on a Fitting Surface

Table 3

Performance comparison between the proposed fractal coding method and JPEG while .

Block size	Percentage	Fractal coding		JPEG
		CR	PSNR (dB)	CR	PSNR (dB)
16 × 16	40.72%	70.62	32.85	57.46	32.86
8 × 8	41.19%	17.66	25.87	26.03	26.31
4 × 4 and 2 × 2	18.09%	4.36	20.00	16.55	19.82
Whole image	100%	14.16	25.11	29.55	25.14