Research Article
A New Image Denoising Method by Combining WT with ICA
Table 1
The PSNR comparison of different noise reduction methods.
| Image | | NI | MF | WST | ICA | WT-ICA |
| Lenna | 0.001 | 30.2486 | 32.8937 | 31.2977 | 31.3042 | 35.8509 | 0.01 | 29.6274 | 28.4660 | 30.7974 | 29.7149 | 33.3217 | 0.05 | 27.7434 | 28.6445 | 30.1754 | 27.8348 | 33.1302 | 0.1 | 27.5489 | 28.2028 | 29.0964 | 28.2738 | 32.2946 |
| Apple | 0.01 | 28.6552 | 31.0486 | 31.7073 | 31.8736 | 35.5676 | 0.05 | 27.7477 | 31.0147 | 29.8020 | 31.8391 | 35.0163 | 0.1 | 27.5549 | 28.2936 | 30.1613 | 28.8020 | 33.1680 |
| Mountain | 0.01 | 27.8586 | 30.2643 | 30.5784 | 31.0982 | 33.6078 | 0.05 | 26.6541 | 30.0129 | 29.8475 | 28.8976 | 32.7673 | 0.1 | 25.9783 | 27.8951 | 28.1496 | 28.9571 | 32.0735 |
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