Research field (2)：
Mathematical informatics
, Environmental dynamics
Research keywords (2)：
Data Science
, Satellite Remote Sensing
Research theme for competitive and other funds (3)：
2022 - 2027 Hyper-Temporal Terrestrial Ecosystem Observation with Third Generation Geostationary Satellites
2020 - 2024 Development and evaluation of data fusion method for vegetation big data products observed by earth observation sensors
2020 - 2023 Hyper-temporal terrestrial monitoring based on Japan-US new generation geostationary satellite network
Papers (26)：
Kenta Obata, Hiroki Yoshioka. Unmixing-based radiometric and spectral harmonization for consistency of multi-sensor reflectance time-series data. ISPRS Journal of Photogrammetry and Remote Sensing. 2024. 212. 396-411
Munenori Miura, Kenta Obata, Hiroki Yoshioka. Wavelength Extension of the Optimized Asymmetric-Order Vegetation Isoline Equation to Cover the Range from Visible to Near-Infrared. Remote Sensing. 2022. 14. 9
Kenta Obata, Kenta Taniguchi, Masayuki Matsuoka, Hiroki Yoshioka. Development and Demonstration of a Method for GEO-to-LEO NDVI Transformation. Remote Sensing. 2021. 13. 20
Kenta Obata, Hiroki Yoshioka. A Simple Algorithm for Deriving an NDVI-Based Index Compatible between GEO and LEO Sensors: Capabilities and Limitations in Japan. Remote Sensing. 2020. 12. 15. 2417-2417
Hiroki Mizuochi, Satoshi Tsuchida, Kenta Obata, Hirokazu Yamamoto, Satoru Yamamoto. Combination of Cross- and Inter-Band Radiometric Calibrations for a Hyperspectral Sensor Using Model-Based Spectral Band Adjustment. Remote Sensing. 2020. 12. 12. 2011-2011
菊池瞭汰, 安達勇介, 小畑建太, 吉岡博貴. Influence of relative azimuth angle on GEO-LEO reflectance comparison in middle latitude forest. リモートセンシングシンポジウム講演論文集. 2019. 44th
Basics of Calibration for Satellite Optical Sensors in Japanese
Rikoh Tosho 2020
Remote Sensing Handbook Volume I: Remotely Sensed Data Characterization, Classification, and Accuracies
CRC Press 2015
Lectures and oral presentations (19)：
Vegetation seasonality observed in Himawari-8 AHI NDVI time-series data over evergreen broad-leaved and coniferous forests in East Asia
(JpGU 2023 2023)
Producing MODIS-like NDVI Data With 10-minute Temporal Resolution From Himawari 8 AHI Data: Preliminary Results
(AOGS 2022 Virtual 2022)
Analysis of differences between NDVI-based indices of Himawari 8 AHI and Aqua MODIS using Rayleigh-corrected reflectances
(JpGU-AGU Joint Meeting-Virtual 2020)
Comparison of fractional vegetation cover (FVC) derived using Himawari8 AHI and Aqua MODIS for land surfaces in Japan
(American Geophysical Union Fall Meeting 2019 2019)
Evaluating radiometric calibration of ASTER VNIR band with Terra MODIS, Landsat 7 ETM+, and Landsat 8 OLI
(EARTH OBSERVING MISSIONS AND SENSORS: DEVELOPMENT, IMPLEMENTATION, AND CHARACTERIZATION V 2018)
