Ram C. Sharma, Hidetake Hirayama, Masatsugu Yasuda, Miki Asai, Keitarou Hara. Classification and Mapping of Plant Communities Using Multi-Temporal and Multi-Spectral Satellite Images. Journal of Geography and Geology. 2022. 14. 1. 43-43
Ram C. Sharma, Keitarou Hara. Self-Supervised Learning of Satellite-Derived Vegetation Indices for Clustering and Visualization of Vegetation Types. Journal of Imaging. 2021
Hidetake Hirayama, Ram C. Sharma, Keitarou Hara. EXAMINATION of TIME-SERIES GENERATION METHOD of SATELLITE DATA for VEGETATION MAPPING in A CLOUDY REGION. 42nd Asian Conference on Remote Sensing, ACRS 2021. 2021
H. Hirayama, M. Tomita, R. C. Sharma, K. Hara. LAND-COVER MAPS USING MULTIPLE CLASSIFIER SYSTEM FOR POST-DISASTER LANDSCAPE MONITORING. ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. 2019. XLII-3/W8. 139-142
奈良 侑樹, 原 慶太郎. 千葉県北西部におけるクマガイソウの結実とそれに関わる景観構造-Fruiting success of Cypripedium japonicum Thunb. in northwestern Chiba prefecture and related landscape structure. 自然環境復元研究 / 自然環境復元学会・編集委員会 編. 2021. 12. 1. 27-33
原 慶太郎. 自然のシステムとそれを解き明かす情報システム (特集 情報システム)-Natural 'Systems' and Utilization of Information 'Systems' for their Analysis. 東京情報大学研究論集 = Journal of Tokyo University of Information Sciences / 東京情報大学学術雑誌編纂委員会 編. 2018. 22. 1. 133-138