Table 1 RMSE and PSNR (dB) values of the denoised images by EPIDE, Wavelet, and ADF methods. There are four test images "Nine Square Regions", "Number and Character", "Chinese Words", and "BarCode".
Image | Nine Square Regions | Number and Character | Chinese Words | BarCode | ||||
|---|---|---|---|---|---|---|---|---|
| Â | RMSE | PSNR | RMSE | PSNR | RMSE | PSNR | RMSE | PSNR |
Noise Image | 21.809 | 21.358 | 23.885 | 20.568 | 40.206 | 16.045 | 18.197 | 22.931 |
EPIDE | 9.5896 | 28.495 | 19.133 | 22.495 | 23.340 | 20.769 | 10.127 | 28.021 |
Wavelet | 13.549 | 25.493 | 20.379 | 21.947 | 38.319 | 16.453 | 32.994 | 17.762 |
ADF | 16.397 | 23.835 | 19.602 | 22.285 | 35.022 | 17.244 | 36.27 | 16.940 |