Table 5 Normalized noise variance in the denoised images of real US images in Figure 2
From: Subspace-based technique for speckle noise reduction in ultrasound images
Malignant tumor | Original | Lee | Wavelet | SBF | SDC |
|---|---|---|---|---|---|
Region A | 0.012 | 0.003 | 0.001 | 0.003 | 0.003 |
Region B | 0.009 | 0.004 | 0.001 | 0.004 | 0.003 |
Benign tumor | Original | Lee | Wavelet | SBF | SDC |
Region A | 0.015 | 0.004 | 0.001 | 0.004 | 0.004 |
Region B | 0.018 | 0.007 | 0.003 | 0.007 | 0.005 |