SELF-ADAPTIVE NON-UNIFORMITY CORRECTION ALGORITHM FOR IRFPA WITH NONLINEAR RESPONSE

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SELF-ADAPTIVE NON-UNIFORMITY CORRECTION ALGORITHM FOR IRFPA WITH NONLINEAR RESPONSE

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- SELF-ADAPTIVE NON-UNIFORMITY CORRECTION ALGORITHM FOR IRFPA WITH NONLINEAR RESPONSE
- Optics and Precision Engineering Vol. 16, Issue 4, Pages: 714-719(2008)
- 作者机构：
  
  重庆邮电大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：01 November 2007，
  
  Revised：08 January 2008，
  
  Published Online：22 April 2008，
  
  Published：22 April 2008
- 稿件说明：
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代少升. 基于非线性响应的红外焦平面阵列非均匀性自适应校正算法[J]. 光学精密工程, 2008,16(4):714-719

SELF-ADAPTIVE NON-UNIFORMITY CORRECTION ALGORITHM FOR IRFPA WITH NONLINEAR RESPONSE[J]. Optics and precision engineering, 2008, 16(4): 714-719.
代少升. 基于非线性响应的红外焦平面阵列非均匀性自适应校正算法[J]. 光学精密工程, 2008,16(4):714-719 DOI：

SELF-ADAPTIVE NON-UNIFORMITY CORRECTION ALGORITHM FOR IRFPA WITH NONLINEAR RESPONSE[J]. Optics and precision engineering, 2008, 16(4): 714-719. DOI：

摘要

针对红外焦平面阵列(IRFPA)使用过程中，非均匀性随时间和环境改变而发生缓慢变化及探测单元非线性响应带来的校正误差，提出一种基于非线性响应的IRFPA非均匀性自适应校正算法。该算法以探测单元非线性响应模型为基础，以校正误差的均方值最小为准则自适应消除响应参数的温度漂移，通过对初始响应参数进行优化选取，来实现算法的快速收敛和高精度校正。在介绍算法实现原理的基础上，推导出其数学模型，并给出实验结果。实验结果表明了算法的优越性。

Abstract

Aiming at the non-uniformity slow change with time and environment conditions and the correction error caused by the nonlinearity response of every detector in infrared focal plane arrays (IRFPA) in engineering using

a self-adaptive non-uniformity correction algorithm for IRFPA with nonlinear response is proposed. The algorithm based on nonlinear response of detector and least mean-square error criteria of correction error can self-adaptively eliminate temperature drift of response parameters. The initial values are optimized to achieve the quicker constringency ratio and the higher precision of algorithm. According to the principle of algorithm

the mathematical model is established and experimental results are given out. The results show the superiority of algorithm.

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