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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 6 — Jun. 27, 2013

Automatic salient object detection via maximum entropy estimation

Xiao Chen, Hongwei Zhao, Pingping Liu, Baoyu Zhou, and Weiwu Ren  »View Author Affiliations


Optics Letters, Vol. 38, Issue 10, pp. 1727-1729 (2013)
http://dx.doi.org/10.1364/OL.38.001727


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Abstract

This Letter proposes a rapid method for automatic salient object detection inspired by the idea that an image consists of redundant information and novelty fluctuations. We believe object detection can be achieved by removing the nonsalient parts and focusing on the salient object. Considering the relation between the composition of the image and the aim of object detection, we constructed what we believe is a more reliable saliency map to evaluate the image composition. The local energy feature is combined with a simple biologically inspired model (color, intensity, orientation) to strengthen the integrity of the object in the saliency map. We estimated the entropy of the object via the maximum entropy method. Then, we removed pixels of minimal intensity from the original image and compute the entropy of the resulting images, correlating this entropy with the object entropy. Our experimental results show that the algorithm outperforms the state-of-the-art methods and is more suitable in real-time applications.

© 2013 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.2960) Image processing : Image analysis
(150.1135) Machine vision : Algorithms
(100.3008) Image processing : Image recognition, algorithms and filters

ToC Category:
Image Processing

History
Original Manuscript: January 31, 2013
Manuscript Accepted: April 8, 2013
Published: May 15, 2013

Virtual Issues
Vol. 8, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Xiao Chen, Hongwei Zhao, Pingping Liu, Baoyu Zhou, and Weiwu Ren, "Automatic salient object detection via maximum entropy estimation," Opt. Lett. 38, 1727-1729 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-38-10-1727


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