Journal
NEUROCOMPUTING
Volume 76, Issue 1, Pages 9-17Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.neucom.2011.05.027
Keywords
Visual attention; Bottom-up; Biquaternion; Fourier transform; Ship detection; Multispectral imagery
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Funding
- National Natural Science Foundation of China [61071134]
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This paper proposes an approach for visual attention based on biquaternion, and investigates its application for ship detection in multispectral imagery. The proposed approach describes high-dimensional data in the form of biquaternion and utilizes the phase spectrum of biquaternion Fourier transform to generate a required saliency map that can be used for salient target detection. In our method, the multidimensional data is processed as a whole, and the features contained in each spectral band can be extracted effectively. Compared with traditional visual attention approaches, our method has very low computational complexity. Experimental results on simulated and real multispectral remote sensing data have shown that the proposed method has excellent performance in ship detection. Furthermore, our method is robust against white noise and almost meets real-time requirements, which has great potentials in engineering applications. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
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