Research Article

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

Table 2

ISNR (in dB) values for “license plate” image using different methods across five noise levels.

MethodWith Gaussian white noise

PM model6.99306.56475.72464.98594.3677
TDE model7.10326.61435.83355.12914.5038
ITDE model7.21656.83725.91475.30224.6195
Fourth-order TDE7.36486.92966.17195.55364.8564