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

Table 2

Performance of the proposed prediction method for range blocks.

Images		Lena	Barbara	Boat	Peppers	Baboon
Jacquin’s [1]	Predicted (dB)	29.88	25.12	26.74	29.67	21.67
	Decoded (dB)	30.03	24.80	26.97	29.64	21.64
	Deviation (dB)	0.15	0.32	0.23	0.03	0.03
	Time (s)	10.69	10.69	10.66	10.67	10.66
Lai’s [8]	Predicted (dB)	29.42	24.49	25.99	29.46	21.39
	Decoded (dB)	29.49	24.50	26.00	29.47	21.53
	Deviation (dB)	0.07	0.01	0.01	0.01	0.14
	Time (s)	4.36	4.31	4.20	4.30	4.17
He’s [9]	Predicted (dB)	29.45	24.44	26.32	29.38	21.45
	Decoded (dB)	29.53	24.36	26.39	29.49	21.49
	Deviation (dB)	0.08	0.08	0.07	0.11	0.04
	Time (s)	4.53	4.58	4.44	4.50	4.50
Wang’s [10]	Predicted (dB)	29.36	24.62	26.24	29.34	21.47
	Decoded (dB)	29.47	24.46	26.39	29.24	21.49
	Deviation (dB)	0.11	0.16	0.15	0.10	0.02
	Time (s)	4.56	4.64	4.58	4.61	4.63