Fractional Partial Differential Equation: Fractional Total Variation and Fractional Steepest Descent Approach-Based Multiscale Denoising Model for Texture Image

Table 4

Denoising effects on texture-rich meteorite crater remote sensing image of moon satellite, when white Gaussian noise, salt and pepper noise and speckle noise are added together.

Denoising algorithm	Denoising effect
	PSNR	Correlation coefficients	Contrast	Correlation	Energy	Homogeneity
Noisy image	8.8564	0.9968	12.5054	0.0159	0.0230	0.3930
Bilateral filtering denoising	19.3530	0.9991	0.4934	0.6371	0.1601	0.7841
Wavelet denoising	18.3278	0.9990	0.5736	0.7302	0.2348	0.7765
NLMF denoising	19.9585	0.9989	1.0104	0.4319	0.0999	0.6797
FDM denoising	21.1448	0.9995	0.61033	0.5881	0.1476	0.7598
FDM denoising	21.1455	0.9996	0.6609	0.5809	0.1363	0.7495