Prediction of the PSNR Quality of Decoded Images in Fractal Image Coding

Table 1

Performance of the proposed prediction method for range blocks.

Images		Lena	Barbara	Boat	Peppers	Baboon
Jacquin’s [1]	Predicted (dB)	36.43	29.86	33.31	35.79	26.77
	Decoded (dB)	36.67	29.47	33.41	35.95	26.52
	Deviation (dB)	0.24	0.39	0.10	0.16	0.25
	Time (s)	64.39	64.25	63.66	63.92	64.45
Lai’s [8]	Predicted (dB)	35.62	28.60	31.86	34.38	25.30
	Decoded (dB)	35.77	28.45	31.79	34.51	25.06
	Deviation (dB)	0.15	0.15	0.07	0.13	0.24
	Time (s)	7.28	7.29	7.26	7.21	7.15
He’s [9]	Predicted (dB)	35.60	28.45	32.43	34.76	25.79
	Decoded (dB)	35.81	28.28	32.50	35.04	25.33
	Deviation (dB)	0.21	0.17	0.07	0.28	0.46
	Time (s)	8.52	8.47	8.48	8.53	8.39
Wang’s [10]	Predicted (dB)	35.87	28.84	32.58	34.98	26.02
	Decoded (dB)	36.16	28.69	32.69	35.16	25.54
	Deviation (dB)	0.29	0.15	0.11	0.18	0.48
	Time (s)	8.14	8.34	8.27	8.19	8.47