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Proceedings Paper

Image registration based on the structure tensor of the local phase
Author(s): Zhang Li; Lucas J. van Vliet; Jaap Stoker; Frans M. Vos
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Paper Abstract

Image registration of medical images in the presence of large intra-image signal fluctuations is a challenging task. Our paper addresses this problem by introducing a new concept based on the structure tensor of the local phase. The local phase is calculated from the monogenic signal representation of the images. The local phase image is hardly affected by unwanted signal fluctuations due to a space-variant background and a space-variant contrast. The boundary structure tensor combines the responses of edges and corners/junctions in one tensor, which has several advantages, compared to other structure tensors. We reorient the structure tensor during the registration by means of the finite-strain technique. The structure tensor is only calculated once during a preprocessing step. The results demonstrate that the proposed method effectively deals with large signal fluctuations. It performs significantly better than competing techniques.

Paper Details

Date Published: 20 March 2015
PDF: 6 pages
Proc. SPIE 9413, Medical Imaging 2015: Image Processing, 941330 (20 March 2015); doi: 10.1117/12.2081840
Show Author Affiliations
Zhang Li, Technische Univ. Delft (Netherlands)
Lucas J. van Vliet, Technische Univ. Delft (Netherlands)
Jaap Stoker, Academisch Medisch Centrum (Netherlands)
Frans M. Vos, Technische Univ. Delft (Netherlands)
Academisch Medisch Centrum (Netherlands)

Published in SPIE Proceedings Vol. 9413:
Medical Imaging 2015: Image Processing
Sébastien Ourselin; Martin A. Styner, Editor(s)

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