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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 17, Iss. 2 — Apr. 1, 2013
  • pp: 213–218

New Non-uniformity Correction Approach for Infrared Focal Plane Arrays Imaging

Hui-Ming Qu, Jing-Tan Gong, Yuan Huang, and Qian Chen  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 17, Issue 2, pp. 213-218 (2013)


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Abstract

Although infrared focal plane array (IRFPA) detectors have been commonly used, non-uniformity correction (NUC) remains an important problem in the infrared imaging realm. Non-uniformity severely degrades image quality and affects radiometric accuracy in infrared imaging applications. Residual non-uniformity (RNU) significantly affects the detection range of infrared surveillance and reconnaissance systems. More effort should be exerted to improve IRFPA uniformity. A novel NUC method that considers the surrounding temperature variation compensation is proposed based on the binary nonlinear non-uniformity theory model. The implementing procedure is described in detail. This approach simultaneously corrects response nonlinearity and compensates for the influence of surrounding temperature shift. Both qualitative evaluation and quantitative test comparison are performed among several correction technologies. The experimental result shows that the residual non-uniformity, which is corrected by the proposed method, is steady at approximately 0.02 percentage points within the target temperature range of 283 K to 373 K. Real-time imaging shows that the proposed method improves image quality better than traditional techniques.

© 2013 Optical Society of Korea

OCIS Codes
(040.5160) Detectors : Photodetectors
(250.0250) Optoelectronics : Optoelectronics

History
Original Manuscript: December 24, 2012
Revised Manuscript: March 18, 2013
Manuscript Accepted: March 18, 2013
Published: April 25, 2013

Citation
Hui-Ming Qu, Jing-Tan Gong, Yuan Huang, and Qian Chen, "New Non-uniformity Correction Approach for Infrared Focal Plane Arrays Imaging," J. Opt. Soc. Korea 17, 213-218 (2013)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-17-2-213


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