一种改进的凝视焦平面探测器亚像元成像处理算法  

An Improved Sub-Pixel Processing Algorithm Based on Focal Plane Detector

作　　者：徐超[1] 金伟其[1] 李雅琼[1] 王霞[1] 

机构地区：[1]北京理工大学信息科学技术学院光电工程系,北京100081

出　　处：《电子学报》2007年第8期1608-1611,共4页Acta Electronica Sinica

基　　金：十一五总装预研项目(No.40405030103);CAST创新基金项目(No.CAST200619)

摘　　要：利用光学微扫描和亚像元成像处理技术,实现亚像元成像系统是当前提高光电成像系统空间分辨率的重要技术途径.本文在分析二维凝视焦平面探测器的亚像元成像和重构原理的基础上,提出了一种改进的基于二维2×2微扫描的亚像元成像处理方法,解决了边界精确标定法的标定以及边界值近似法的误差问题.模拟分析表明:算法可有效实现亚像元成像,且处理工作量小,易于实现实时处理,可望在可见光和红外亚像元成像领域获得应用,算法对于发展高性能热成像系统具有重要的理论指导意义和实用价值.Utilizing optical microscanning technique and sub-pixel imaging processing to achieve sub-pixel imaging system is an important technical method to improve the spatial resolution of optoelectronic imaging system.By analyzing the sub-pixel imaging and microscanning reconstruction of two-dimension staring focal plane detector, the paper presents a kind of sub-pixel processing algorithm based on two-dimension microscanning and solves the margin demarcation problems.By analyzing the result of simulation, this algorithm is good for achieving sub-pixel imaging and easy to achieve real-time processing because of small processing load. The processing algorithm can be widely used in the field of visible light and infioared imaging system. Application of this processing algorithm will enormously enhance staring thermal imaging system＇s performance.

关 键 词：热成像 光学微扫描 亚像元成像 图像处理 边界处理 

分 类 号：TN911.73[电子电信—通信与信息系统]