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  1. 060 工学部
  2. 40 学会発表資料
  3. 04 電子情報通信学会
  1. 0 資料タイプ別
  2. 04 会議発表論文

Seasonal Change Investigation of Water Area in Lake Sakata Based on POLSAR Image Analysis

http://hdl.handle.net/10191/21363
8dbcb353-90f9-4d32-af9d-312fbde23f7d
名前 / ファイル ライセンス アクション
ISAP2006_3B1b-1.pdf ISAP2006_3B1b-1.pdf (338.5 kB)
Item type 会議発表論文 / Conference Paper(1)
公開日 2013-02-19
タイトル
タイトル Seasonal Change Investigation of Water Area in Lake Sakata Based on POLSAR Image Analysis
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_5794
タイプ conference paper
著者 Sato, Ryoichi

× Sato, Ryoichi

WEKO 168994

Sato, Ryoichi

Search repository
Yajima, Yuki

× Yajima, Yuki

WEKO 168995

Yajima, Yuki

Search repository
Yamaguchi, Yoshio

× Yamaguchi, Yoshio

WEKO 19

Yamaguchi, Yoshio

Search repository
Yamada, Hiroyoshi

× Yamada, Hiroyoshi

WEKO 50

Yamada, Hiroyoshi

Search repository
抄録
内容記述タイプ Abstract
内容記述 This paper examines seasonal change of the water area in Lake Sakata by using Polarimetric Synthetic Aperture Radar (POLSAR) image analysis. Statistical POLSAR image analysis is carried out for both X- and L-band data, based on a threecomponent scattering power decomposition method, where the decomposed components are surface scattering, doublebounce scattering and volume scattering components. From the results of the image analysis for the L-band POLSAR data acquired by Pi-SAR system, it is found that strong doublebounce scattering can be observed at the vicinity of the boundary region between water area and the surrounding emerged-plants area in early and middle summer seasons. To verify the generating mechanism of the double-bounce scattering, the Finite-Difference Time-Domain (FDTD) polarimetric scattering analysis is also executed for a simplified boundary model, which simulates the local boundary region around the lake and consists of lots of vertical thin dielectric pillars on a perfect electric conductor (PEC) plate or on a PEC and dielectric hybrid plate. Taking into account the polarimetric feature of the double-bounce scattering obtained by both the FDTD and POLSAR image analyses, one can distinguish the water area form the bush of the emerged-plants around the lake, even when the water area are concealed by emergedplants and/or floating-leaved plants. Consequently, it is found that by using the proposed approach, one can estimate the water area seasonal change for the lake and the surrounding wetland.
書誌情報 International Symposium on Antennas and Propagation
en : International Symposium on Antennas and Propagation

巻 2006, 号 3B1b-1, p. 1-5, 発行日 2006-11
出版者
出版者 The Institute of Electronics, Information and Communication Engineers
権利
権利情報 copyright(C)2006 IEICE
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関連識別子 http://ap-s.ei.tuat.ac.jp/isapx/
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