Journal
COMPUTERS IN BIOLOGY AND MEDICINE
Volume 43, Issue 9, Pages 1086-1097Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compbiomed.2013.05.006
Keywords
Image registration; Mean shift; Corresponding control point; Probability estimation; Similarity measure
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Funding
- Chinese National Science Foundation [60972112]
- Shenzhen science and technology project
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In this paper, a novel estimation technique for corresponding points using a hierarchical, spatially based mean shift algorithm is proposed. We proposed a spatially based probability estimation using different spatial masks. For a given point on reference image, its corresponding register point is found along the search trajectory generated by optimizing Bhattacharyya coefficient between two windows centered at the points on the register and reference images. The outliers are further eliminated by analyzing statistical information on the displacements of the candidate register points. Experiments on various monomodal medical images show that the proposed method is feasible and fast. (C) 2013 Published by Elsevier Ltd.
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