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. 2014 Apr 7;2014:313078. doi: 10.1155/2014/313078

Table 2.

Evaluation of the algorithm against filters attacks.

Filter's window size Median filter Low pass filter Wiener filter
PSNR (dB) WPSNR (dB) NC PSNR (dB) WPSNR (dB) NC PSNR (dB) WPSNR (dB) NC
[3 × 3] 45.9121 57.1649 1.0000 35.5290 46.4338 1.0000 35.1327 49.0685 1.0000
[5 × 5] 41.5136 50.0277 1.0000 32.5677 40.7808 1.0000 31.5552 41.9205 1.0000
[7 × 7] 38.3304 45.4194 1.0000 30.6348 37.6424 1.0000 29.4059 37.8203 1.0000
[9 × 9] 36.1094 42.5076 1.0000 29.2368 35.6657 1.0000 27.8707 35.2772 1.0000