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Research on the bidirectional reflectance of typical urban surface types measured by the directional polarimetric camera

Xie Dong-Hai Gu Xing-Fa Cheng Tian-Hai Yu Tao Li Zheng-Qiang Chen Xing-Feng Chen Hao Guo Jing

Research on the bidirectional reflectance of typical urban surface types measured by the directional polarimetric camera

Xie Dong-Hai, Gu Xing-Fa, Cheng Tian-Hai, Yu Tao, Li Zheng-Qiang, Chen Xing-Feng, Chen Hao, Guo Jing
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  • Received Date:  12 April 2011
  • Accepted Date:  05 April 2012
  • Published Online:  05 April 2012

Research on the bidirectional reflectance of typical urban surface types measured by the directional polarimetric camera

    Corresponding author: cyhy@irsa.ac.cn
  • 1. State Key Laboratory of Remote Sensing, Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101, China;
  • 2. Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
Fund Project:  Project supported by the National Basic Research and Development Programs of China (973 Program) (Grant No. 2010CB950800), the National Natural Science Foundation of China (Grant No. 41001207), and the Funds of the Chinese Academy of Sciences for Key Topics in Innovation Engineering(Grant No. KZCX2-EW-QN311).

Abstract: This paper deals with the retrieving of the bidirectional reflectance distribution functions (BRDFs) of the distinct urban cover in the Pearl River Delta (PRD) region employing the high-spatial-resolution multi-angle polarized measurements made by the directional polarimetric camera (DPC). The results show that three BRDF models (RPV, Ross-Roujean and Ross-Li) describe the DPC measurements well. Forest is best fitted by Ross-Li and bare soil is best fitted by Ross-Roujean. Urban and shrub are best fitted by RPV. The results demonstrate that the reflectances of different types of surfaces are different and increase with the increase of scattering angle. The basic theory of investigating surface properties using multi-angle measurements is proposed.

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