Fractal Image Coding Based on a Fitting Surface

Table 1

Number of blocks in different quadtree levels for the four methods.

Image	T 1	Method	Level 1 (16 × 16)	Level 2 (8 × 8)	Level 3 (4 × 4)	Level 4 (2 × 2)	Total
Barbara	7	Jacquin’s	277	1394	4826	6200	12697
		Tong’s	277	1394	4826	6200	12697
		Wang’s	313	1383	4540	5216	11452
		Proposed	327	1442	4571	3252	9592
	11	Jacquin’s	363	1734	3430	840	6367
		Tong’s	363	1735	3426	840	6364
		Wang’s	401	1678	3134	488	5701
		Proposed	417	1687	2927	148	5179
	15	Jacquin’s	450	1862	1735	4	4051
		Tong’s	450	1862	1735	4	4051
		Wang’s	488	1769	1499	4	3760
		Proposed	535	1605	1403	4	3547