Image Reconstruction from Multiscale Singular Points Based on the Dual-Tree Complex Wavelet Transform

Table 5

SSIM of reconstructed images with various intensities of white Gaussian noise added to the original image (values in brackets are SSIM gains relative to SSIMs of the original image).

Image	“Boat”			“Elaine”			“Peppers”
k	0.01	0.05	0.1	0.01	0.05	0.1	0.01	0.05	0.1
Proposed algorithm	0.8321 (0.0204)	0.8196 (0.0165)	0.8003 (0.0181)	0.8354 (0.0191)	0.8211 (0.0133)	0.8101 (0.0229)	0.8331 (0.0200)	0.8223 (0.0172)	0.7991 (0.0159)
Mean - value filter [24]	0.8142 (0.0025)	0.7989 (-0.0042)	0.7867 (0.0046)	0.8241 (0.0078)	0.8193 (0.0115)	0.8023 (0.0151)	0.8267 (0.0136)	0.8171 (0.0120)	0.7956 (0.0124)
Median-value filter [25]	0.8210 (0.0093)	0.8132 (0.0054)	0.7978 (0.0157)	0.8286 (0.0123)	0.8203 (0.0125)	0.8031 (0.0159)	0.8316 (0.0185)	0.8210 (0.0159)	0.7981 (0.0149)
Wiener filter [26]	0.8178 (0.0071)	0.8112 (0.0034)	0.7892 (0.0071)	0.8312 (0.0149)	0.8196 (0.0118)	0.8054 (0.0176)	0.8312 (0.0181)	0.8201 (0.0150)	0.7953 (0.0121)