基于光谱指数的高温目标识别方法

郑覃, 潘军, 蒋立军, 邢立新, 季悦, 于一凡, 王鹏举, 仲伟敬

A study of high temperature targets identification method based on spectral index

Qin ZHENG, Jun PAN, Lijun JIANG, Lixin XING, Yue JI, Yifan YU, Pengju WANG, Weijing ZHONG

表3 高温目标与各常温地物两两区分最优光谱指数

Tab.3 Optimal spectral indices between high temperature targets and all kinds of normal temperature objects

区分类别 最优光谱指数 火点—水体 (B7-B5-B4)/(B7+B5+B4) 火点—裸地 (B7-B4)/(B7+B4) 火点—居民地 (B7-B4)/(B7+B4) 火点—火烧迹地 (B7-B5-B4)/(B7+B5+B4) 火点—林地(阳坡) (B7-B5)/(B7+B5) 火点—林地(阴坡) (B7-B5)/(B7+B5) 火点—彩钢地物 B7-2B5+B4 火点—所有常温地物 (B7-B5-B4)/(B7+B5+B4)