Research Article

Coronary Artery Center-Line Extraction Using Second Order Local Features

Figure 17

A small patch of a clinical arterial image with a curved vessel in (a) original image; and the tracing results using (b) the Sun algorithm (c) the Aylward algorithm (d) the Xu et al. algorithm, and (e) the proposed algorithm.
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(a)
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(b)
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(c)
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(d)
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(e)