Improved Multiscale Learning Dictionary Image Denoising Algorithm in Curved Wave Domain

Table 3

Evaluation value of the de-noise method.

De-noise method	NIQE value	Expert rated values
Original noisy image	5.33	65
K-SVD algorithm	6.72	71
Bilateral filtering algorithm	6.85	75
Nonlocal mean algorithm	7.11	82
Curvilinear transform algorithm	7.35	83
BM3D algorithm	7.87	85
Literature [13] algorithm	7.48	79
Literature [14] algorithm	7.61	83
Literature [15] algorithm	7.71	81
Algorithm of this paper	7.85	86