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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 23 — Dec. 1, 2013
  • pp: 5146–5149

Unsupervised change detection of satellite images using low rank matrix completion

Shibo Gao, Yongmei Cheng, and Yongqiang Zhao  »View Author Affiliations


Optics Letters, Vol. 38, Issue 23, pp. 5146-5149 (2013)
http://dx.doi.org/10.1364/OL.38.005146


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Abstract

Traditional unsupervised change detection methods need to generate a difference image (DI) for subsequent processing to produce a binary change map. In addition, few methods explore global structures. This Letter presents a novel unsupervised change detection approach based on low rank matrix completion. Other than generating a DI, the changed pixels are modeled as the estimated missing values for matrix completion, where the changed pixels are represented by a sparse term. A common low rank matrix is recovered by two temporal images. The changed pixels are separated out from the low rank matrix, in which the local information is introduced via graph cuts. The global and local structures are utilized in our model. Experimental results validate the effectiveness of the proposed approach. The proposed method is a new view for change detection.

© 2013 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(330.1880) Vision, color, and visual optics : Detection

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: July 8, 2013
Manuscript Accepted: September 23, 2013
Published: November 26, 2013

Citation
Shibo Gao, Yongmei Cheng, and Yongqiang Zhao, "Unsupervised change detection of satellite images using low rank matrix completion," Opt. Lett. 38, 5146-5149 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-23-5146


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