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. Author manuscript; available in PMC: 2015 Jan 27.
Published in final edited form as: Med Image Comput Comput Assist Interv. 2013;16(0 2):518–525. doi: 10.1007/978-3-642-40763-5_64

Fig. 2.

Fig. 2

Four particle filtering domains used to generate vessel tracking cues. A) Vesselness response from Hessian analysis, with a mask generated by thresholding and post-processing. B) A minimum spanning tree algorithm was applied to intensity and vesselness features to connect thin, low contrast segments of the artery. C) A MIP mask was used to amplify vessel signal in thin, low contrast segments. D) Global, unthresholded vesselness response to Hessian analysis.