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3D Finite Element Modeling of Nonrigid Breast Deformation for Feature Registration in -ray and MR Images

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5 Author(s)
Yong Zhang ; Dept. of Comput. Sci. & Inf. Syst., Youngstown State Univ., OH ; Yan Qiu ; Goldgof, D.B. ; Sarkar, S.
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Registering features in multiple mammographic views is an important technique to improve breast cancer detection rate. However, nonrigid breast deformation during X-ray imaging poses a severe challenge to the conventional 2D registration methods. We present a method that utilizes a 3D model to facilitate two-view registration by predicting breast deformation. At first, a finite element model of a breast is constructed using its MRIs. The model is capable of simulating both compression and decompression. Feature registration is then accomplished through a series of projections and compression-decompression operations. Experiments using real patient data demonstrate that a mammographic feature can be successfully registered from one view to another.

Published in:

Applications of Computer Vision, 2007. WACV '07. IEEE Workshop on

Date of Conference:

Feb. 2007