EURASIP Journal on Advances in Signal Processing

Table 1 Image reconstruction performance comparison (SSIM) of the proposed method and the previously reported methods

From: Adaptive example-based super-resolution using kernel PCA with a novel classification approach

Test image	LR image	Sinc	[11]	[27]	[8]	[12]	[28]	Proposed method
Lena	0.7114	0.8542	0.8029	0.8356	0.8289	0.8530	0.8443	0.8708
Peppers	0.7206	0.8449	0.7935	0.8229	0.8181	0.8406	0.8283	0.8664
Goldhill	0.5987	0.7488	0.7095	0.7673	0.7610	0.7642	0.7594	0.8116

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