地物二向性反射几何光学模型和观测的进展 |
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引用本文: | 李小文,A.Strahler,朱启疆,刘毅,刘广成,张仁华,虞献平,李继泉. 地物二向性反射几何光学模型和观测的进展[J]. 国土资源遥感, 1991, 2(1): 9-19 |
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作者姓名: | 李小文 A.Strahler 朱启疆 刘毅 刘广成 张仁华 虞献平 李继泉 |
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作者单位: | 波士顿大学遥感中心(李小文,A.Strahler),北京师范大学(朱启疆),中国科学院遥感所(刘毅),四川省林科院(刘广成),中国科学院地理所(张仁华),中国林科院(虞献平),中国林科院(李继泉) |
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基金项目: | 国家自然科学基金资助项目 |
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摘 要: | 本文介绍了地物的二向性反射分布函数(BRDF)及共数学模型,讨论了BRDF的某种特定子集与地物结构的某些重要特征之间的关系,即地物结构的方向描述BRDF的方向谱,作者选择并定义了信息量最为丰富的两个子集。即主平面子集和主锥面子集。还介绍了观测上的最新进展。
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关 键 词: | 地物 土壤 波谱 反射 几何光学模型 |
GEOMETRIC-OPTICAL BIDIRECTIONAL REFLECTANCE MODELLING OF GROUND OBJECTS AND ITS PROGRESS IN MEASUREMENT |
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Affiliation: | 1. Center for Remote sensing, Boston University; 2. Beijing Normal University; 3. Sichuan Academy of Forestly; 4. Institute of Geography, Academia Sinica; 5. Institute of Remote Sensing,Academia Sinica; 6. China Academy of Forestry |
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Abstract: | In this paper authors introduce the concept of bidirectional reflectance and its relation to 3-D spatial structure of ground objects. It is suggested to develop appropriate BRDF modes for various kinds of earth surface along with the process to set up a high spectral resolution data base for their signature. Otherwise, it is pointed:out, the costly data base can hardly deal with the great diversity of natural scene in composition and structure. Also the author gives a revise to Strahler-Jupp model and introduce the new progress of bidirectional reflectance measurement. |
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