强激光与粒子束2009，Vol.21Issue(11)：1611-1614,4.
基于自适应滤波的红外焦平面阵列非均匀性校正算法
Nonuniformity correction algorithm for infrared focalplane arrays based on adaptive-filter
摘要
Abstract
The performance of nonuniformity correction(NUC) would be deteriorated by time shift in the response of detectors in infrared focal plane arrays(IRFPAs). Therefore, a scene-based NUC algorithm is presented. In this algorithm, an adaptive filter bank is applied to estimate NUC parameters for every detector in IRFPAs. And the parameters are renewed by utilizing current imaging information to reduce the influence imposed by response drift on NUC. For an image with a nonuniformity of 26.12%, nonuniformities after 1 h correction are 3.122% for two-point NUC algorithm, 1.893% for Kalman-filter NUC algorithm and around 1.856% for the presented algorithm, which means the presented algorithm can achieve the best NUC effect steadily.关键词
物理电子学/红外焦平面阵列/非均匀性校正/自适应滤波Key words
physical electronics/ infrared focal plane arrays/ nonuniformity correction/ adaptive filter分类
信息技术与安全科学引用本文复制引用
周慧鑫,拜丽萍,秦翰林,赖睿,王炳健,刘群昌..基于自适应滤波的红外焦平面阵列非均匀性校正算法[J].强激光与粒子束,2009,21(11):1611-1614,4.基金项目
教育部科学技术研究重点项目(108114) （108114）
