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. 2014 Sep 6;15:298. doi: 10.1186/1471-2474-15-298

Figure 7.

Figure 7

Incorrect vessel classification. (A) Soft tissue classified as vessel close to the bone surface due to beam hardening effects using local adaptive threshold (LAT) segmentations. (B) The multi-scale (MS) approach largely avoids the wrong classification. (C) In the final hybrid algorithm developed for this study the LAT approach was used in VOI1S (green) and the MS approach in VOI2S (red).