X-ray image denoising based on wavelet transform and median filter
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21. Dez. 2020
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Online veröffentlicht: 21. Dez. 2020
Seitenbereich: 435 - 442
Eingereicht: 06. Juni 2020
Akzeptiert: 14. Aug. 2020
DOI: https://doi.org/10.2478/amns.2020.2.00062
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© 2020 Hanlei Dong et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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Fig. 3

Experimental results of the denoising of the FEI image with mixed noise by different algorithms (MSE/PSNR)_
Impulse (salt and pepper) noise | 0.05 | 0.1 | 0.2 | 0.05 | 0.1 | 0.2 |
Gaussian white noise | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 |
Noise image | 1562.134/16.0052 | 2442.991/14.0761 | 4312.669/11.6569 | 2142.309/14.6674 | 3026.395/13.2002 | 4744.419/11.2596 |
Median filtering algorithm | 557.8286/20.4483 | 580.9237/20.2745 | 597.7874/20.1184 | 1031.996/17.8028 | 1061.468/17.6601 | 1061.973/17.6579 |
VisuShrink soft threshold method | 265.7028/23.6036 | 356.5844/22.3437 | 575.4486/20.6593 | 283.8094/23.3212 | 369.1374/22.1506 | 515.6530/20.7221 |
Algorithm of this paper | 144.3706/26.2155 | 145.5194/26.1817 | 160.3172/25.7669 | 212.1041/24.5683 | 215.3995/24.5023 | 227.1514/24.2748 |