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Optical Engineering

Image fusion using a low-redundancy and nearly shift-invariant discrete wavelet frame
Author(s): Bo Yang; Zhongliang Jing
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Paper Abstract

This paper describes an efficient approach to the fusion of spatially registered images and image sequences. The fusion method uses an improved wavelet representation, which has low redundancy as well as near-shift-invariance. Specifically, this representation is derived from an extended discrete wavelet frame with variable resampling strategies, and it corresponds to an optimal strategy. The proposed method lends itself well to rapid fusion for image sequences. Experimental results tested on different types of imagery show that the proposed method, as a shift-invariant scheme, provides better results than conventional wavelet methods and it is much more efficient than existing shift-invariant methods (the undecimated wavelet and the dual-tree complex wavelet methods).

Paper Details

Date Published: 1 October 2007
PDF: 10 pages
Opt. Eng. 46(10) 107002 doi: 10.1117/1.2789640
Published in: Optical Engineering Volume 46, Issue 10
Show Author Affiliations
Bo Yang, Shanghai Jiao Tong Univ. (China)
Zhongliang Jing, Shanghai Jiao Tong Univ. (China)

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