Research keywords (7)：
Interferometry
, Radio Frequency Interference
, Disaster Monitoring
, SAR
, Remote Sensing
, Disaster Prevention
, Synthetic Aperture Radar
Research theme for competitive and other funds (9)：
2023 - 2028 Framework construction and engineering development of polarimetric-interferometric synthetic aperture radar based on phasor-quaternion neural networks
2022 - 2025 Development of inclusive educational program on environmental/disaster remote sensing for non-professionals
2020 - 2023 End-to-End Adaptive Signal Processing for Multiplexed Synthetic Aperture Radar
2018 - 2023 Construction of the engineering framework of phasor quaternion neural networks in adaptive electromagnetic-wave information processing
2015 - 2017 Development of the regional-scale assessment system of carbon dynamics in Bornean peat ecosystems
2014 - 2017 衛星観測を活用した河川堤防モニタリングの効率化
2014 - 2017 衛星及びソナーを利用した港湾施設のモニタリングシステムの構築の研究開発
2014 - 2017 リアルタイム被害推定・災害情報収集・分析・利活用システム開発
2012 - 2013 合成開口レーダー(SAR)干渉画像の高精度化
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Papers (115)：
Gen Sugimoto, Akira Hirose, Ryo Natsuaki. Urban Flood Detection using SAR Interferometric Coherence of Multidirectional Observations. Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. 2024. 409-414
Gunjan Joshi, Celia A. Baumhoer, Andreas J. Dietz, Ryo Natsuaki, Akira Hirose. Estimating Snow Line Altitude by Optical and SAR Data Fusion: Inverse-mapping Explainable Neural Network-Based Approach - Case Study of the Great Aletsch Glacier. Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. 2024. 399-404
Raiki Kudo, Akira Hirose, Ryo Natsuaki. Removal of Synthetic Aperture Radar Range Ambiguity by Observing Adjacent Regions. IEEE Geoscience and Remote Sensing Letters. 2024. 21
Ryu Sugimoto, Ryo Natsuaki, Ryosuke Nakamura, Chiaki Tsutsumi, Yoshio Yamaguchi. Time Series Scattering Power Decomposition Using Ensemble Average in Temporal-Spatial Domains: Application to Forest Disturbance Detection. IEEE Geoscience and Remote Sensing Letters. 2024. 21
Haotian Chen, Ryo Natsuaki, Akira Hirose. Robust Symbol Detection Based on Quaternion Neural Networks in Wireless Polarization-Shift-Keying Communications. IEEE Transactions on Neural Networks and Learning Systems. 2024
魚住 昂央, 廣瀬 明, 夏秋 嶺. 2偏波の複素振幅情報を利用したSARにおけるRFI検出手法-A RFI detection method in SAR using the complex amplitude information of dual polarization-電磁界理論研究会・第51回電磁界理論シンポジウム. 電気学会研究会資料. EMT = The papers of technical meeting on electromagnetic theory, IEE Japan / 電磁界理論研究会 [編]. 2022. 2022. 82-93. 53-58
大木真人, 夏秋嶺, 青山定敬, 田殿武雄. ALOS-2-based Flooded Building Detection: An Experiment Using a Flood Experiment Field. 日本リモートセンシング学会学術講演会論文集(CD-ROM). 2022. 73rd
夏秋嶺. Suppression of Additional Azimuth ambiguities for multi-channel and waveform SAR. 電子情報通信学会技術研究報告(Web). 2021. 120. 371(SANE2020 58-69). 1157-1160
夏秋嶺, 夏秋嶺, 杉本隆, 堤千明, 中村良介. Emulation of an interferogram from the passed SAR satellites using three dimensional analyses. 電子情報通信学会大会講演論文集(CD-ROM). 2021. 2021
後藤征士郎, 夏秋嶺, 廣瀬明. Proposal of higher-order tensor independent component analysis for MIMO remote sensing systems. 電子情報通信学会技術研究報告(Web). 2021. 120. 403(NC2020 41-73)
Interferometry / Book 1
InTech Open 2012 ISBN:9799533073766
Education (1)：
2011 - 2014 The University of Tokyo Graduate School of Engineering Department of Electrical Engineering and Information Systems
Professional career (1)：
博士(工学) (東京大学)
Work history (5)：
2021/01 - 現在 The University of Tokyo The Graduate School of Engineering Department of Electrical Engineering and Information Systems Associate Professor
2019/10 - 現在 AIST
2017/04 - 2020/12 The University of Tokyo School of Engineering Lecturer
2018/04 - 2020/03 German Aerospace Center (DLR) Microwaves and Radar Institute Guest Scientist
2014/04/01 - 2017/03/31 Japan Aerospace Exploration Agency Space Technology Directorate I, Earth Observation Research Center Aerospace Poject Research Associate
Committee career (16)：
2024/06 - 現在 電子情報通信学会 電磁界理論研究会専門委員
2023/10 - 現在 Secretary of APSAR 2025 Organizing Committee
2023/01 - 現在 IEEE GRSS GRSS School Committee Chair
2022/06 - 現在 電子情報通信学会 宇宙・航行エレクトロニクス研究会専門委員
2021/07 - 現在 IEEE Standards Association P4006 - RFI in Remote Sensing Working Group Vice Chair
2020/06 - 現在 IEICE Secretary of APSAR Japan Committee
2019/03 - 現在 IEEE Geoscience and Remote Sensing Society TGRS Associate Editor
2024/04 - 2026/03 IEEJ EMT-TC Associate Secretary
2022/06 - 2024/05 IEICE Associate Secretary of Technical Committee on Electromagnetic Theory
2014/01 - 2017/12 IEEE Geoscience and Remote Sensing Society All Japan Chapter Secretary
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Awards (8)：
2022/09 - IEICE Distinguished Service Award
2020/02 - MDPI Remote Sensing Outstanding Reviewer Award 2019
2019/11 - Asia-Pacific Conference on Synthetic Aperture Radar (APSAR) 2019 Excellent Paper Award 2nd Prize Experimental analysis on spatial resolution and convergence of Poincare parameter versus window-size for ALOS-2 and Pi-SAR-L2 observation
2019/08 - IEEE GRSS IEEE TGRS Best Reviewers in 2018
2019/01 - MDPI Sensors Outstanding Reviewer Award 2018
2014/03 - The Society of Instrument and Control Engineerings Young scientist award 山岳領域における局所的な位置合わせ手法を用いたSAR干渉画像の精度向上
2013/10 - IEICE / IEEE, APSAR Student Paper Award Performance Improvement of InSAR Local Co-registration Method with Multiresolution Interferogram
2010/05 - IEICE Technical Committee on Electromagnetic Theory, Young scientist award
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Association Membership(s) (6)：
IEEJ
, 日本リモートセンシング学会
, 日本写真測量学会
, American Geophysical Union
, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS
, IEEE Geoscience and Remote Sensing Society
