Table 1 Comparison of overlap error (mean ± std)
| Â | Video1 | Video2 | Video3 | Video4 | Video5 |
|---|---|---|---|---|---|
OTSU | 0.31 ± 0.13 | 0.64 ± 0.02 | 0.50 ± 0.22 | 0.24 ± 0.10 | 0.50 ± 0.10 |
Robert | 0.54 ± 0.05 | 0.72 ± 0.01 | 0.69 ± 0.11 | 0.55 ± 0.07 | 0.66 ± 0.04 |
Sobel | 0.54 ± 0.07 | 0.71 ± 0.04 | 0.66 ± 0.12 | 0.51 ± 0.07 | 0.68 ± 0.04 |
Canny | 0.30 ± 0.15 | 0.66 ± 0.03 | 0.58 ± 0.17 | 0.32 ± 0.13 | 0.56 ± 0.05 |
The shared model | 0.05 ± 0.02 | 0.05 ± 0.01 | 0.05 ± 0.02 | 0.05 ± 0.01 | 0.05 ± 0.02 |