Multiscale vessel tracking and quantification from isotropic CT volume data(Joint Session 2)

概要

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A unified multiscale filtering framework is provided for centerline detection, tracking, and diameter quantification of vessels in isotropic CT data. A method fully utilizes multiscale line filter responses for tracking vessels and estimating their diameters. The diameter estimation problem is formulated as a least square fitting of a sequence of multiscale responses obtained at each centerline point to the precomputed multiscale response curve for the ideal line model. Small-diameter structures are accurately quantitated by incorporating the estimation of the point spread function (PSF) of a CT scanner. The method was evaluated through simulations and phantom experiments and demonstrated to accurately measure small-diameter structures which are significantly overestimated by conventional methods. Experimental results using clinical CT data are also shown.
社団法人電子情報通信学会の論文
2005-09-15