From: Rayleigh-maximum-likelihood bilateral filter for ultrasound image enhancement
Noise image | SNR = 15 dB | SNR = 12 dB | SNR = 10 dB | SNR = 7 dB | SNR = 5 dB | SNR = 3 dB | SNR = 1 dB |
---|---|---|---|---|---|---|---|
Proposed | 0.00019 | 0.00016 | 0.00017 | 0.00037 | 0.00076 | 0.0012 | 0.0020 |
SBF | 0.00073 | 0.0015 | 0.0025 | 0.0060 | 0.0075 | 0.0116 | 0.0187 |
Median | 0.00096 | 0.0020 | 0.0033 | 0.0083 | 0.0107 | 0.0178 | 0.0313 |
SRAD | 0.00032 | 0.00059 | 0.0018 | 0.0082 | 0.0181 | 0.0349 | 0.0628 |
NL-means | 0.0019 | 0.0020 | 0.0021 | 0.0022 | 0.0023 | 0.0027 | 0.0035 |
Lee | 0.0015 | 0.0021 | 0.0027 | 0.0036 | 0.0058 | 0.0092 | 0.0121 |
Kuan | 0.0013 | 0.0016 | 0.0025 | 0.0045 | 0.0072 | 0.0103 | 0.0236 |