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Applied Optics

Applied Optics


  • Vol. 42, Iss. 23 — Aug. 10, 2003
  • pp: 4709–4717

Sub-imaging technique to improve phase only filter search capability

Karl S. Gudmundsson and Abdul Ahad S. Awwal  »View Author Affiliations

Applied Optics, Vol. 42, Issue 23, pp. 4709-4717 (2003)

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A novel application of a phase only filter model, which is implementable in the optical domain, is proposed. In this application, automated target tracking is accomplished with a novel sub-imaging technique with correlation tracking inside a radius of interest. In this technique the image is subdivided and the correlation is tracked by comparing only the autocorrelation of the filter with itself. A radius of interest is used to reduce the number of computations required to track a moving target. Real-world video images are used to demonstrate the performance of the model.

© 2003 Optical Society of America

OCIS Codes
(100.4550) Image processing : Correlators
(100.5010) Image processing : Pattern recognition
(100.5090) Image processing : Phase-only filters

Original Manuscript: November 9, 2002
Revised Manuscript: April 14, 2003
Published: August 10, 2003

Karl S. Gudmundsson and Abdul Ahad S. Awwal, "Sub-imaging technique to improve phase only filter search capability," Appl. Opt. 42, 4709-4717 (2003)

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