三维遥感机理模型RAPID原理及其应用

被引：6

作者：

黄华国

机构：

[1] 北京林业大学省部共建森林培育与保护教育部重点实验室

来源：

遥感技术与应用 | 2019年 / 05期

基金：

国家重点研发计划;

关键词：

RAPID; 辐射度; 三维辐射传输; 全波段; 统一模型;

D O I：

暂无

中图分类号：

S771.8 [森林遥感]; TP79 [遥感技术的应用];

学科分类号：

1404 ; 081102 ; 0816 ; 081602 ; 083002 ;

摘要：

三维遥感机理模型是开展定量遥感反演教学和新方法试验的重要工具。介绍全波段多传感器三维遥感机理模型RAPID的原理、输入输出和常见应用方法。RAPID模型基于辐射度(Radiosity)理论和计算机图形学算法,提出了针对植被的孔隙面元(Porous individual object)概念,大幅降低三维辐射传输的计算量;并将模拟能力扩展到光学、热红外和微波波段,实现反射率、亮度温度、点云、波形和后向散射系数的统一模拟。RAPID非常适合定量遥感教学、简单模型验证、复杂场景模拟和多源数据融合探索。全面介绍全波段多传感器三维遥感机理模型RAPID的原理、输入输出和常见应用方法。

引用

页码：901 / 913

页数：13

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