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 | 0.00008 | 0.00017 | 0.00013 | 0.00014 | 0.00032 | 0.00058 | 0.00074 |
SBF | 0.0007 | 0.0015 | 0.0023 | 0.0072 | 0.0071 | 0.0115 | 0.0182 |
Median | 0.0013 | 0.0024 | 0.0036 | 0.0072 | 0.0104 | 0.0177 | 0.0306 |
SRAD | 0.00013 | 0.00037 | 0.0014 | 0.0083 | 0.0174 | 0.0355 | 0.0624 |
NL-means | 0.0018 | 0.0019 | 0.0019 | 0.0020 | 0.0021 | 0.0024 | 0.0031 |
Lee | 0.0014 | 0.0018 | 0.0022 | 0.0029 | 0.0041 | 0.0056 | 0.0096 |
Kuan | 0.0012 | 0.0016 | 0.0021 | 0.0033 | 0.0048 | 0.0077 | 0.0115 |