A Block-Based Regularized Approach for Image Interpolation

Table 2

Comparison of different regularization parameters in PSNR performance.

Noise	Proposed method
	𝜆=10^−2	𝜆=10^−3	𝜆=10^−4	𝜆=10^−5	GCV(𝜆)
30 dB	30.90	33.69	33.72	33.71	33.72
40 dB	31.17	34.34	34.39	34.39	34.39
Noiseless	31.21	34.42	34.47	34.47	34.47