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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2011 Aug;2011:7203–7206. doi: 10.1109/IEMBS.2011.6091820

Fig. 2.

Fig. 2

Tubular instrument image with artifacts: Guide Wave Artifact, GWA and Tip Reverberation Artifact, TRA. (a) raw image. (b) result of tubular enhancement algorithm.