Modeling Directional Brightness Temperature Over Mixed Scenes of Continuous Crop and Road: A Case Study of the Heihe River Basin
作者:Cao, B (Cao, Biao)[ 1,2 ] ; Liu, QH (Liu, Qinhuo)[ 1,2 ] ; Du, YM (Du, Yongming)[ 1,2 ] ; Li, H (Li, Hua)[ 1,2 ] ; Wang, HS (Wang, Heshun)[ 1,2 ] ; Xiao, Q (Xiao, Qin)[ 1,2 ]
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
卷: 12  期: 2  页: 234-238
DOI: 10.1109/LGRS.2014.2333874
出版年: FEB 2015

摘要
A new geometric optical model is proposed in this letter to simulate the directional brightness temperature (DBT) distribution over mixed scenes of continuous crop and road. The DBT distributions of the crop and road zones are separately calculated, and the road zone consists of a road and adjacent crop sides. A road distribution polar map is designed to show all of the roads of different lengths, widths, and orientations in the scene. The airborne multiangle data set of the thermal infrared band that was acquired during the Heihe Watershed Allied Telemetry Experimental Research experiment is used for validation. The results demonstrate that the proposed model can simulate the DBT of a heterogeneous scene (90 x 90 m(2)) with a root-mean-square error equal to 1.1 K and good trend similarity.
作者信息
通讯作者地址: Cao, B (通讯作者)
Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China.
地址:
[ 1 ] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China
[ 2 ] Univ Chinese Acad Sci, Beijing 100049, Peoples R China