Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15863
Title: Medical image registration via steerable pyramid
Authors: Wang, X
Feng, D
Keywords: Computerised tomography
Image registration
Medical image processing
Positron emission tomography
Transforms
Issue Date: 2007
Publisher: IEEE
Source: 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2007 : EMBS 2007, 22-26 August 2007, Lyon, p. 6395-6398 How to cite?
Abstract: Image registration is enabling in integrating complementary and heterogeneous information from multiple images, and is particularly important for high-quality healthcare. To improve registration efficiency and accuracy, in this paper, a two-resolution-scale registration approach is proposed. Firstly, to speed up calculation, the images will be decomposed into multi-scale and multi-band representation by steerable pyramid that outweighs wavelets by providing invariance for both translation and rotation. Then, to avoid transformation error accumulation and magnification during the parameter transmission in the traditional multi-scale registration, the registration will be performed only in the lowest-resolution scale and the highest-resolution scale. In the former scale, the global rotation and scaling parameters will be calculated rapidly and accurately, which then will be directly used to initialize optimization in the latter scale, where, the translation differences will be corrected. The experiments on medical images demonstrate that the proposed registration is of good performance.
URI: http://hdl.handle.net/10397/15863
ISBN: 978-1-4244-0787-3
ISSN: 1557-170X
DOI: 10.1109/IEMBS.2007.4353819
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