A multi-resolution strategy for a multi-objective deformable image registration framework that accommodates large anatomical differences

Tanja Alderliesten; Peter A. N. Bosman; Jan-Jakob Sonke; Arjan Bel

doi:10.1117/12.2042856

21 March 2014 A multi-resolution strategy for a multi-objective deformable image registration framework that accommodates large anatomical differences

Tanja Alderliesten, Peter A. N. Bosman, Jan-Jakob Sonke, Arjan Bel

Author Affiliations +

Proceedings Volume 9034, Medical Imaging 2014: Image Processing; 90343G (2014) https://doi.org/10.1117/12.2042856
Event: SPIE Medical Imaging, 2014, San Diego, California, United States

Abstract

Currently, two major challenges dominate the field of deformable image registration. The first challenge is related to the tuning of the developed methods to specific problems (i.e. how to best combine different objectives such as similarity measure and transformation effort). This is one of the reasons why, despite significant progress, clinical implementation of such techniques has proven to be difficult. The second challenge is to account for large anatomical differences (e.g. large deformations, (dis)appearing structures) that occurred between image acquisitions. In this paper, we study a framework based on multi-objective optimization to improve registration robustness and to simplify tuning for specific applications. Within this framework we specifically consider the use of an advanced model-based evolutionary algorithm for optimization and a dual-dynamic transformation model (i.e. two “non-fixed” grids: one for the source- and one for the target image) to accommodate for large anatomical differences. The framework computes and presents multiple outcomes that represent efficient trade-offs between the different objectives (a so-called Pareto front). In image processing it is common practice, for reasons of robustness and accuracy, to use a multi-resolution strategy. This is, however, only well-established for single-objective registration methods. Here we describe how such a strategy can be realized for our multi-objective approach and compare its results with a single-resolution strategy. For this study we selected the case of prone-supine breast MRI registration. Results show that the well-known advantages of a multi-resolution strategy are successfully transferred to our multi-objective approach, resulting in superior (i.e. Pareto-dominating) outcomes.

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Tanja Alderliesten, Peter A. N. Bosman, Jan-Jakob Sonke, and Arjan Bel "A multi-resolution strategy for a multi-objective deformable image registration framework that accommodates large anatomical differences", Proc. SPIE 9034, Medical Imaging 2014: Image Processing, 90343G (21 March 2014); https://doi.org/10.1117/12.2042856

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KEYWORDS

Image registration

Optimization (mathematics)

Evolutionary algorithms

Image processing

Magnetic resonance imaging

Breast

Image acquisition

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