基于光谱角与光谱距离的目标识别方法

大气与环境光学学报 ›› 2020, Vol. 15 ›› Issue (5): 393-400.

• 光学遥感 • 上一篇

基于光谱角与光谱距离的目标识别方法

高冬阳1;2, 龙华保1;2, 吴双卿3, 杨俊彦1;2, 李大鹏1;2, 陈龙江1;2

1 上海航天控制技术研究所, 上海 201109; 2 中国航天科技集团有限公司红外探测技术研发中心, 上海 201109; 3 浙大宁波理工学院, 浙江宁波 315100

收稿日期:2020-03-03 修回日期:2020-03-27 出版日期:2020-09-28 发布日期:2020-09-28
作者简介:高冬阳 ( 1990 - ), 男, 湖南衡阳人, 博士, 工程师, 主要从事光电探测制导的研究。 E-mail: dyanggao@163.com
基金资助:
Supported by Qian Xuesen Youth Innovation Fund of China Aerospace Science Technology Corporation (中国航天科技集团公司钱学森青年创新基金资助项目), Equipment Per Research Fundation (装备预研领域基金, 61404140505), Zhejiang Provincial Natural Science Foundation (浙江省自然科学基金, LQ17F030002), Ningbo Natural Science Foundation (宁波市自然科学基金, 2017A610108)

Target discrimination Based on Spectral Angle and Spectral Distance

GAO Dongyang1;2, LONG Huabao1;2, WU Shuangqing3, YANG Junyan1;2, LI Dapeng1;2, CHEN Longjiang1;2

1 Shanghai Aerospace Control Technology Institute, Shanghai 201109, China; 2 Research and Development Center of Infrared Detection Technology, China Aerospace Science and Technology Corporation, Shanghai 201109, China; 3 NingboTech University, Ningbo 315100, China

Received:2020-03-03 Revised:2020-03-27 Published:2020-09-28 Online:2020-09-28

摘要/Abstract

摘要： 针对红外精确制导中抗干扰的问题, 开展基于光谱角和光谱距离等特征参量的目标光谱识别技术仿真和实验研究。在目标、干扰均为灰体辐射的前提条件下, 对目标和干扰在不同发射率模型、不同辐射温度下的红外光谱辐射分布进行理论建模, 定量分析了目标和干扰的光谱角和光谱距离特征参量与其温度、发射率的关系, 数值表征了目标和干扰的光谱差异。为验证上述光谱区分方法的有效性, 实验采集并分析了目标和干扰的光谱数据。研究结果表明光谱角和光谱距离能够将两者进行有效的区分, 为复杂背景下目标识别提供理论和实验基础。

关键词: 光谱角, 光谱距离, 光谱识别

Abstract: Aiming at the problem of anti bait interference in infrared precise guidance, the simulation and experimental research of target spectrum recognition technology based on spectral angle and spectral distance were carried out. On the premise that target and bait were both gray body radiation, the infrared radiation distribution of target and bait under different radiation temperature and different spectral emissivity models was modeled. The relationship between temperature, spectral emissivity and spectral angle, spectral distance of target and bait was quantitatively analyzed, and the spectral difference between target and bait was numerically characterized. In order to verify the effectiveness of the spectral discrimination method, the target and bait spectral data were collected and analyzed. The results show that the spectral angle and spectral distance can be used to distinguish target from bait, which can provides theoretical and experimental basis for target classification in complex background in the future. Key words: spectral angle; spectral distance; spetacral discrimination

Key words: spectral angle, spectral distance, spetacral discrimination

中图分类号:

O433

高冬阳, 龙华保, 吴双卿, 杨俊彦, 李大鹏, 陈龙江, . 基于光谱角与光谱距离的目标识别方法[J]. 大气与环境光学学报, 2020, 15(5): 393-400.

GAO Dongyang, LONG Huabao, WU Shuangqing, YANG Junyan, . Target discrimination Based on Spectral Angle and Spectral Distance[J]. Journal of Atmospheric and Environmental Optics, 2020, 15(5): 393-400.

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基于光谱角与光谱距离的目标识别方法

Target discrimination Based on Spectral Angle and Spectral Distance

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