Kenta Obata

Publication Activity (10 Years)

Years Active: 2008-2022
Publications (10 Years): 23

Top Topics

Multiple Sensors

Radiometric Calibration

Top Venues

Publications

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. Sens. 14 (9) (2022)
Kenta Obata, Hiroki Yoshioka
Correction: Obata, K.; Yoshioka, H. A Simple Algorithm for Deriving an NDVI-Based Index Compatible between GEO and LEO Sensors: Capabilities and Limitations in Japan. Remote Sens. 2020, 12, 2417. Remote. Sens. 14 (17) (2022)
Kenta Obata, Kenta Taniguchi, Masayuki Matsuoka, Hiroki Yoshioka
Development and Demonstration of a Method for GEO-to-LEO NDVI Transformation. Remote. Sens. 13 (20) (2021)
Satoshi Tsuchida, Hirokazu Yamamoto, Toru Kouyama, Kenta Obata, Fumihiro Sakuma, Tetsushi Tachikawa, Akihide Kamei, Kohei Arai, Jeffrey S. Czapla-Myers, Stuart F. Biggar, Kurtis J. Thome
Radiometric Degradation Curves for the ASTER VNIR Processing Using Vicarious and Lunar Calibrations. Remote. Sens. 12 (3) (2020)
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. Sens. 12 (12) (2020)
Kenta Obata, Satoshi Tsuchida, Hirokazu Yamamoto, Kurtis J. Thome
Correction: Obata, K., et al. Cross-Calibration between ASTER and MODIS Visible to Near-Infrared Bands for Improvement of ASTER Radiometric Calibration. Sensors 2017, 17, 1793. Sensors 20 (14) (2020)
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. Sens. 12 (15) (2020)
Yusuke Adachi, Ryota Kikuchi, Kenta Obata, Hiroki Yoshioka
Relative Azimuthal-Angle Matching (RAM): A Screening Method for GEO-LEO Reflectance Comparison in Middle Latitude Forests. Remote. Sens. 11 (9) (2019)
Toru Kouyama, Satoshi Tsuchida, Fumihiro Sakuma, Tetsushi Tachikawa, Hirokazu Yamamoto, Kenta Obata, Soushi Kato, Masakuni Kikuchi, Ryosuke Nakamura
Sensitivity Variation of Aster Derived From Moon and Deepspace Observations in 2003 and 2017. IGARSS (2019)
Tsuneo Matsunaga, Kenta Obata, Koichiro Mouri, Tetsushi Tachikawa, Akira Iwasaki, Satoshi Tsuchida, Koki Iwao, Jun Tanii, Osamu Kashimura, Ryosuke Nakamura, Hirokazu Yamamoto, Soushi Kato
HISUI Status Toward 2020 Launch. IGARSS (2019)
Toru Kouyama, Soushi Kato, Masakuni Kikuchi, Fumihiro Sakuma, Akira Miura, Tetsushi Tachikawa, Satoshi Tsuchida, Kenta Obata, Ryosuke Nakamura
Lunar Calibration for ASTER VNIR and TIR with Observations of the Moon in 2003 and 2017. Remote. Sens. 11 (22) (2019)
Kenta Taniguchi, Kenta Obata, Hiroki Yoshioka
Analytical Relationship between Two-Band Spectral Vegetation Indices Measured at Multiple Sensors on a Parametric Representation of Soil Isoline Equations. Remote. Sens. 11 (13) (2019)
Kenta Obata
Sensitivity Analysis Method for Spectral Band Adjustment between Hyperspectral Sensors: A Case Study Using the CLARREO Pathfinder and HISUI. Remote. Sens. 11 (11) (2019)
Tsuneo Matsunaga, Akira Iwasaki, Satoshi Tsuchida, Koki Iwao, Ryosuke Nakamura, Hirokazu Yamamoto, Soushi Kato, Kenta Obata, Osamu Kashimura, Jun Tanii, Koichiro Mouri, Tetsushi Tachikawa
Hisui Status Toward FY2019 Launch. IGARSS (2018)
Kenta Taniguchi, Yusuke Adachi, Kenta Obata, Hiroki Yoshioka
Influences of Soil Line Parameters on Soil Brightness Estimation with Soil Isoline Equations in Red-Nir Reflectance Subspace. IGARSS (2018)
Munenori Miura, Kenta Obata, Kenta Taniguchi, Hiroki Yoshioka
Optimization technique of asymmetric-order vegetation isoline equations. IGARSS (2017)
Tsuneo Matsunaga, Akira Iwasaki, Satoshi Tsuchida, Koki Iwao, Jun Tanii, Osamu Kashimura, Ryosuke Nakamura, Hirokazu Yamamoto, Soushi Kato, Kenta Obata, Koichiro Mouri, Tetsushi Tachikawa
Current status of Hyperspectral Imager Suite (HISUI) onboard International Space Station (ISS). IGARSS (2017)
Munenori Miura, Kenta Obata, Kenta Taniguchi, Hiroki Yoshioka
Improved Accuracy of the Asymmetric Second-Order Vegetation Isoline Equation over the RED-NIR Reflectance Space. Sensors 17 (3) (2017)
Kenta Taniguchi, Munenori Miura, Kenta Obata, Hiroki Yoshioka
Analysis of the scaling effect present in the relative differences between NDVIs obtained from multiple sensors, based on the soil isoline equation. IGARSS (2017)
Kenta Obata, Satoshi Tsuchida, Hirokazu Yamamoto, Kurtis J. Thome
Cross-Calibration between ASTER and MODIS Visible to Near-Infrared Bands for Improvement of ASTER Radiometric Calibration. Sensors 17 (8) (2017)
Kenta Obata, Tomoaki Miura, Hiroki Yoshioka, Alfredo R. Huete, Marco Vargas
Spectral Cross-Calibration of VIIRS Enhanced Vegetation Index with MODIS: A Case Study Using Year-Long Global Data. Remote. Sens. 8 (1) (2016)
Hirokazu Yamamoto, Kenta Obata, Satoshi Tsuchida, Gregoire Kerr, Martin Bachmann
Cross-sensor calibration and validation between DESIS and HISUI Hyperspectral Imager on the International Space Station (ISS). IGARSS (2016)
Kenta Obata, Satoshi Tsuchida, Izumi Nagatani, Hirokazu Yamamoto, Toru Kouyama, Yoshiro Yamada, Yu Yamaguchi, Juntaro Ishii
An overview of ISS HISUI hyperspectral imager radiometric calibration. IGARSS (2016)
Kenta Taniguchi, Kenta Obata, Hiroki Yoshioka
Evaluation of BIAS reduction in cross-calibration of NDVI based on soil isoline equations: Comparison with error estimated from signal-to-noise ratio. IGARSS (2015)
Hirokazu Yamamoto, Toru Kouyama, Kenta Obata, Satoshi Tsuchida
Assessment of HISUI radiometric performance using vicarious calibration and cross-calibration. IGARSS (2015)
Kenta Obata, Satoshi Tsuchida, Koki Iwao
Inter-Band Radiometric Comparison and Calibration of ASTER Visible and Near-Infrared Bands. Remote. Sens. 7 (11) (2015)
Hirokazu Yamamoto, Kenta Obata, Toru Kouyama, Satoshi Tsuchida
HISUI vicarious calibration and CAL/VAL activities. IGARSS (2014)
Masayuki Matsuoka, Hiroki Yoshioka, Kenta Obata, Takeo Tadono
Effect of bandwidth of panchromatic image on the quality of pansharpened multispectral image. IGARSS (2013)
Kenta Taniguchi, Kenta Obata, Masayuki Matsuoka, Hiroki Yoshioka
Validity of soil isoline equation for a system of canopy and soil layers. IGARSS (2013)
Satoshi Tsuchiya, Kenta Taniguchi, Kenta Obata, Masayuki Matsuoka, Hiroki Yoshioka
View-angle dependencies of vegetation isolines for higher-order standardization of spectral vegetation indices. IGARSS (2013)
Kenta Taniguchi, Kenta Obata, Hiroki Yoshioka
Investigation of inter-sensor NDVI relationships based on analytical representation of soil isolines. IGARSS (2012)
Kenta Obata, Tomoaki Miura, Hiroki Yoshioka
Comparison of scaling effects in fraction of vegetation cover between algorithms based on linear mixture model using VI. IGARSS (2012)
Kenta Obata, Tomoaki Miura, Hiroki Yoshioka
Analysis of the Scaling Effects in the Area-Averaged Fraction of Vegetation Cover Retrieved Using an NDVI-Isoline-Based Linear Mixture Model. Remote. Sens. 4 (7) (2012)
Kenta Obata, Takahiro Wada, Tomoaki Miura, Hiroki Yoshioka
Scaling Effect of Area-Averaged NDVI: Monotonicity along the Spatial Resolution. Remote. Sens. 4 (1) (2012)
Hiroki Yoshioka, Tomoaki Miura, Kenta Obata
Derivation of Relationships between Spectral Vegetation Indices from Multiple Sensors Based on Vegetation Isolines. Remote. Sens. 4 (3) (2012)
Hiroki Yoshioka, Kenta Obata, Yasuhiro Ikuta
Analysis of error in fraction of vegetation cover propageted from band-correlated errors in endmember spectra. IGARSS (2012)
Masayuki Matsuoka, Kenta Obata, Hiroki Yoshioka
Scaling effect of area-averaged NDVI derived from ALOS-AVNIR2 data. IGARSS (2012)
Kenta Obata, Hiroki Yoshioka
Comparison of the Noise Robustness of FVC Retrieval Algorithms Based on Linear Mixture Models. Remote. Sens. 3 (7) (2011)
Hiroki Yoshioka, Kenta Obata
Soil isoline equation in red-NIR reflectance space for cross calibration of NDVI between sensors. IGARSS (2011)
Kenta Obata, Hiroki Yoshioka
Influence of endmember spectra on scaling effect of vegetation cover estimationwith NDVI. IGARSS (2011)
Kenta Obata, Hiroki Yoshioka
Inter-Algorithm Relationships for the Estimation of the Fraction of Vegetation Cover Based on a Two Endmember Linear Mixture Model with the VI Constraint. Remote. Sens. 2 (7) (2010)
Munenori Miura, Kenta Obata, Hiroki Yoshioka
Vegetation isoline equations for analysis of hyper-spectral data with higher order interaction terms. IGARSS (2010)
Kenta Obata, Hiroki Yoshioka
Relationships Between Errors Propagated in Fraction of Vegetation Cover by Algorithms Based on a Two-Endmember Linear Mixture Model. Remote. Sens. 2 (12) (2010)
Naoki Takahashi, Kenta Obata, Masaki Iwamaru, Hiroki Yoshioka
Parallel implementation of unmixing algorithm for variable-endmember linear mixture model. IGARSS (2010)
Hiroki Yoshioka, Takahiro Wada, Kenta Obata, Tomoaki Miura
Monotonicity of Area Averaged NDVI as a Function of Spatial Resolution based on a Variable Endmember Linear Mixture Model. IGARSS (3) (2008)
Kenta Obata, Hiroki Yoshioka, Hirokazu Yamamoto
Unmixing a Variable Endmember Linear Mixture Model for Estimation of Heat Island Mitigation by Green Vegetation. IGARSS (5) (2008)