EURASIP Journal on Advances in Signal Processing

Table 5 The average PSNR and SSIM values for different iteration numbers (3×)

From: Noisy image magnification with total variation regularization and order-changed dictionary learning

Iteration numbers	σ
	5	10	15	20
100	30.589	27.525	24.514	21.975
	0.8858	0.6994	0.5369	0.4179
200	30.654	27.574	24.510	22.112
	0.8881	0.7075	0.5428	0.4280
300	30.634	27.518	24.509	21.993
	0.8865	0.7061	0.5407	0.4204
400	30.623	27.514	24.437	22.002
	0.8859	0.7055	0.5335	0.4197

PSNR, peak signal-to-noise ratio; SSIM, structural similarity.

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