放射伝達シミュレーションによる米粒タンパク含有率推定における最適波長帯の研究 Study of the optimal wavelength band using the radiative transfer simulation for rice protein contents estimation

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Hyper-spectral sensor that has high spectral resolution is expected to the application of agriculture field. In the rice cultivation in Japan, attention has focused on making high quality rice.<br>In the previous others, several vegetation indices which use various wavelength bands were effective for rice protein contents estimation. For example, Asaka et al. (2003) proposed the vegetation index computed from SPOT/HRV band 2 (610-680nm) and band 3 (790-890nm) data as the predictor variable of the estimate equation, and built the estimate equation by regression analysis. And Inoue et al. (2008) proposed the other vegetation index which uses two hyper-spectrum bands (570nm, 970nm). In the same manner, Suhama et al. (2010) proposed the vegetation index which uses two hyper-spectrum bands (460nm, 510nm). In order to evaluate the validity of these vegetation indices, it is necessary that the theoretical examination which uses radiative transfer simulation in addition to regression analysis.<br>Then, this research shows theoretically the validity of spectral reflectance at these wavelength bands using the PROSPECT model as radiative transfer simulation. The results obtained by this research are shown below.<br>1)610-680nm and 570nm are the sensitive region of chlorophyll-a, -b contents of rice leaf.<br>2)790-890nm is the sensitive region of equivalent water thickness of rice leaf.<br>3)970nm is the sensitive region of equivalent water thickness and dry matter of rice leaf.<br>4)460nm and 510nm are sensitive region of chlorophyll-a, -b contents and carotenoid contents of rice leaf.

収録刊行物

  • 写真測量とリモートセンシング

    写真測量とリモートセンシング 50(6), 372-379, 2012-01-10

    一般社団法人 日本写真測量学会

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各種コード

  • NII論文ID(NAID)
    10030287229
  • NII書誌ID(NCID)
    AN00111450
  • 本文言語コード
    JPN
  • 資料種別
    SHO
  • ISSN
    02855844
  • NDL 記事登録ID
    023470364
  • NDL 請求記号
    Z16-147
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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