Journal of Applied Mathematics / 2011 / Article / Tab 3

Research Article

A Class of Fourth-Order Telegraph-Diffusion Equations for Image Restoration

Table 3

The mean of ISNR (in dB) values for eight standard test images using random white Gaussian noise of variance 20.

MethodsNoise images
LenaBoatsCameramanPeppersHouseElaine

PM model4.32754.14874.03265.1120 4.27265.1737
TDE model4.46624.27454.16895.20224.39965.2461
ITDE model4.57434.39484.29175.28724.51275.3830
Fourth-order TDE4.71254.52224.41345.44314.64755.5705

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