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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 10 — Apr. 1, 2010
  • pp: 1764–1773

Correction method for stripe nonuniformity

Weixian Qian, Qian Chen, Guohua Gu, and Zhiqiang Guan  »View Author Affiliations


Applied Optics, Vol. 49, Issue 10, pp. 1764-1773 (2010)
http://dx.doi.org/10.1364/AO.49.001764


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Abstract

Stripe nonuniformity is very typical in line infrared focal plane arrays (IR-FPA) and uncooled staring IR-FPA. In this paper, the mechanism of the stripe nonuniformity is analyzed, and the gray-scale co- occurrence matrix theory and optimization theory are studied. Through these efforts, the stripe non uniformity correction problem is translated into the optimization problem. The goal of the optimization is to find the minimal energy of the image’s line gradient. After solving the constrained nonlinear opti mization equation, the parameters of the stripe nonuniformity correction are obtained and the stripe nonuniformity correction is achieved. The experiments indicate that this algorithm is effective and efficient.

© 2010 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(110.3080) Imaging systems : Infrared imaging

ToC Category:
Image Processing

History
Original Manuscript: April 17, 2009
Revised Manuscript: January 25, 2010
Manuscript Accepted: February 23, 2010
Published: March 24, 2010

Citation
Weixian Qian, Qian Chen, Guohua Gu, and Zhiqiang Guan, "Correction method for stripe nonuniformity," Appl. Opt. 49, 1764-1773 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-10-1764

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