Active Shape Models Exploiting Slice-to-Slice Correlation in Segmentation Of 3D CTA AAA images 2001


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    • Author:  by Marleen de Bruijne  Bram van Ginneken  Wiro J. Niessen  J. B. Antoine Maintz  Max A. Viergever  

    • Abstract:  An automated method for the segmentation of thrombus in abdominal aortic aneurysms (AAA) from CTA data is presented. Three segmentation schemes, inspired by Active Shape Model (ASM) segmentation, were investigated. (1) The original ASM scheme as proposed by Cootes and Taylor [1], applied to sequential slices, using the contour obtained in one slice as the initial contour in the adjacent slice. (2) A similar approach, steered by profile greyvalue correlation with adjacent slices rather than by correlation with profiles from the training data and (3) as in (2), with additional attraction to nearby edges.

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