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Article type: Research Article
Authors: Toumoulin, C. | Mao, F.
Affiliations: Laboratoire Traitement du Signal et de l’Image, INSERM, University of Rennes I, Campus de Beaulieu, 35042 Rennes cedex, France. Tel.: +33 2 99 28 14 87; E-mail: [email protected]
Abstract: This work is aimed at the extraction of vascular structures using perceptual grouping methods. The approach is based on structural feature matching, between images in the time sequence. These features correspond to junctions (or bifurcation points) and are paired by means of a local criteria. A global refinement procedure is then applied by means of a relaxation scheme. The feature trajectories over the entire image sequence are examined to further build sets of vascular segments, which better describe vascular branches. The resulting performances are exemplified on a standard biplane coronarographic examination.
Keywords: Digital Subtraction Angiography (DSA), cardiology, perceptual grouping, relaxation methods, spatio-temporal matching
DOI: 10.3233/THC-1997-5505
Journal: Technology and Health Care, vol. 5, no. 5, pp. 383-406, 1997
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