Research Article
Segmentation of Cerebrovascular Anatomy from TOF-MRA Using Length-Strained Enhancement and Random Walker
Table 2
The comparative results tested with nonenhancement and tested after enhancement (proposed algorithm).
| Data | Nonenhancement | Proposed algorithm | FPR | FNR | DSC | FPR | FNR | DSC |
| | 9.38% | 41.23% | 42.58% | 0.33% | 13.76% | 92.45% | | 8.54% | 46.68% | 20.43% | 0.43% | 16.02% | 89.24% | | 10.52% | 43.67% | 33.50% | 0.12% | 11.75% | 92.80% | | 5.73% | 43.32% | 36.36% | 0.64% | 9.02% | 94.34% | | 3.72% | 43.89% | 34.67% | 1.90% | 8.03% | 94.48% | | 8.21% | 40.93% | 43.98% | 0.37% | 19.55% | 85.99% | | 7.66% | 44.49% | 30.99% | 0.61% | 18.45% | 86.94% | | 1.24% | 41.45% | 40.74% | 0.55% | 19.89% | 85.55% | | 1.47% | 40.94% | 41.49% | 0.98% | 5.70% | 96.39% | | 10.76% | 43.08% | 35.66% | 0.37% | 10.86% | 93.33% | | 1.23% | 4.78% | 15.36% | 0.08% | 15.31% | 90.02% | | 8.42% | 44.28% | 31.65% | 0.47% | 18.89% | 86.59% | Mean | 6.41% | 39.90% | 33.95% | 0.57% | 13.94% | 90.68% |
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