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IEICE TRANSACTIONS on Information

High-Accuracy Sub-Pixel Registration for Noisy Images Based on Phase Correlation

Bei HE, Guijin WANG, Xinggang LIN, Chenbo SHI, Chunxiao LIU

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Summary :

This paper proposes a high-accuracy sub-pixel registration framework based on phase correlation for noisy images. First we introduce a denoising module, where the edge-preserving filter is adopted. This strategy not only filters off the noise but also preserves most of the original image signal. A confidence-weighted optimization module is then proposed to fit the linear phase plane discriminately and to achieve sub-pixel shifts. Experiments demonstrate the effectiveness of the combination of our modules and improvements of the accuracy and robustness against noise compared to other sub-pixel phase correlation methods in the Fourier domain.

Publication
IEICE TRANSACTIONS on Information Vol.E94-D No.12 pp.2541-2544
Publication Date
2011/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E94.D.2541
Type of Manuscript
LETTER
Category
Image Processing and Video Processing

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