気象要素を用いた数値計算モデルによる大気補正手法に関する研究 : 航空機MSSの熱赤外域データに対する大気補正

概要

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Difference of atmospheric effect in seasons and districts was discussed by the results of ground truth. In addition, we proposed an effective method for atmospheric correction using weather parameter which can be obtained readily. Following results were shown, 1. Difference of atmospheric effect in two seasons and in three districts was clarified by the regression lines by using the CCT value of thermal infrared band and surface radiant temperatures measured by ground truth. In summer when mass of water vapor is big, although it was observed that 10℃ difference between measuring data and correcting data was occured by atmospheric effect, there was a little effect in winter. The regression line of Tajima district located in an industrial zone was different from those of other districts. 2. Two black body temperatures of MSS which were corrected atmospheric absorption by simulation almost lay on the regression line with the ground truth data in Takatsu and Yurigaoka districts except Tajima district. In addition to the correction of atmospheric scattering, corrected MSS two black body temperatures of MSS almost lay on the line of Tajima district. 3. Difference of 2℃ was observed between atmospheric effect at the both ends of a scanning line and that at the center in the MSS data on a clear summer day, therefore, atmospheric correction was made by a simulation method considering the sensor's look angle.
社団法人日本建築学会の論文
1990-08-30