Research Article
A Class of Fourth-Order Telegraph-Diffusion Equations for Image Restoration
Table 1
ISNR (in dB) values for “license plate” image using random white Gaussian noise of variance
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| | method | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| | PM model | 5.7246 | 5.7309 | 5.7447 | 5.7127 | 5.7502 | 5.7354 | 5.7447 | 5.7049 | 5.7254 | 5.5188 | | TDE model | 5.8335 | 5.8536 | 5.8443 | 5.8751 | 5.8271 | 5.6747 | 5.8327 | 5.8573 | 5.8767 | 5.8187 | | ITDE model | 5.9147 | 5.9152 | 5.9217 | 5.9109 | 5.9198 | 5.9107 | 5.9122 | 5.9098 | 5.9150 | 5.9112 | | Fourth-order TDE | 6.1719 | 6.1382 | 6.1641 | 6.1268 | 6.1626 | 6.1431 | 6.1543 | 6.1797 | 6.1162 | 6.1883 |
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