LOW-ALTITUDE HYPERSPECTRAL OBSERVATION OF PADDY USING RADIO-CONTROLLED HELICOPTER

被引:6
作者
Kosugi, Yukio [1 ]
Mukoyama, Shinji [1 ]
Takabayashi, Yuji [1 ]
Uto, Kuniaki [1 ]
Oda, Kunio [2 ]
Saito, Genya [1 ]
机构
[1] Tokyo Inst Technol, Tokyo, Japan
[2] Sakata Agr Popularizat Div, Shonai Area Gen Branch Adm Off, Sakata, Yamagata, Japan
来源
2011 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2011年
关键词
paddy; helicopter; hyperspectrum; SPAD; protein;
D O I
10.1109/IGARSS.2011.6049457
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
To monitor the chlorophyll content of rice leaves, transparent leave-color monitoring device SPAD; named for the Soil & Plant Analyzer Development, is widely used in Japan. For wide area of paddy, however, it requires lots of elaboration to measure the SPAD values by hand. The objective of this study is to solve this problem by estimating the SPAD values through remote sensing. In rainy season, it is difficult to make use of airborne or satellite image sensors to observe paddy fields. Thus, we made use of a hyperspectral sensor mounted on a low-altitude radio-controlled helicopter, and calculated new indices LVIpure (Leave-color Verified Index) and LVImix using the obtained data to estimate the SPAD values. As a result, the relations between the SPAD value and the estimation index exhibit high correlation: R-2=0.885 for LVIpure and R-2=0.927 for LVImix, which facilitated to obtain "the estimated SPAD value image" from the hyperspectral data.
引用
收藏
页码:1748 / 1751
页数:4
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