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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1987–1989

Saliency detection by combining spatial and spectral information

Yanbang Zhang, Junwei Han, and Lei Guo  »View Author Affiliations


Optics Letters, Vol. 38, Issue 11, pp. 1987-1989 (2013)
http://dx.doi.org/10.1364/OL.38.001987


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Abstract

In this Letter, a new algorithm is proposed to detect salient regions by combining spatial and spectral information. First, the input image is considered in both RGB color space and Lab color space. Second, the biggest symmetric surround model and spectral residual are calculated in each channel simultaneously. Third, the feature maps in some color channels outperform the feature maps in the other channels. Entropy is defined to evaluate the performance of the feature maps, which can be used to choose the proper channels and combine different feature maps. Finally, a Gaussian low-pass filter is applied to improve the performance by accounting for the center bias. Compared with previous methods, our saliency detection is more effective and robust as demonstrated by the experiments.

© 2013 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2960) Image processing : Image analysis
(330.4060) Vision, color, and visual optics : Vision modeling

ToC Category:
Image Processing

History
Original Manuscript: March 26, 2013
Revised Manuscript: May 7, 2013
Manuscript Accepted: May 7, 2013
Published: May 31, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Yanbang Zhang, Junwei Han, and Lei Guo, "Saliency detection by combining spatial and spectral information," Opt. Lett. 38, 1987-1989 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-11-1987


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