Table 2 Effect of smoothing by truncation of Fourier descriptors on mean quality metrics as a function of percentage of Fourier descriptors retained.
From: Level set segmentation of bovine corpora lutea in ex situ ovarian ultrasound images
Percentage Used (%) | MAD (mm) | RMSD (mm) | HD (mm) | Specificity | Sensitivity |
|---|---|---|---|---|---|
100 (no smoothing) | 0.87 ± 0.36 | 1.1 ± 0.47 | 3.4 ± 2.0 | 0.990 ± 0.00786 | 0.814 ± 0.171 |
10 | 0.87 ± 0.36 | 1.1 ± 0.47 | 3.4 ± 2.0 | 0.990 ± 0.00784 | 0.814 ± 0.171 |
7.5 | 0.86 ± 0.35 | 1.1 ± 0.46 | 3.4 ± 2.0 | 0.990 ± 0.00782 | 0.815 ± 0.171 |
5 | 0.86 ± 0.35 | 1.1 ± 0.46 | 3.4 ± 2.0 | 0.990 ± 0.00778 | 0.815 ± 0.172 |
2.5 | 0.83 ± 0.35 | 1.1 ± 0.47 | 3.3 ± 2.1 | 0.991 ± 0.00751 | 0.817 ± 0.175 |
1 | 0.77 ± 0.43 | 0.95 ± 0.54 | 3.1 ± 2.1 | 0.992 ± 0.00654 | 0.821 ± 0.184 |