Unmixing a Variable Endmember Linear Mixture Model for Estimation of Heat Island Mitigation by Green Vegetation. - Kenta Obata; Hiroki Yoshioka; Hirokazu Yamamoto (IGARSS (5), 2008)

Monotonicity of Area Averaged NDVI as a Function of Spatial Resolution based on a Variable Endmember Linear Mixture Model. - Hiroki Yoshioka; Takahiro Wada; Kenta Obata; Tomoaki Miura (IGARSS (3), 2008)

Vegetation isoline equations for analysis of hyper-spectral data with higher order interaction terms. - Munenori Miura; Kenta Obata; Hiroki Yoshioka (IGARSS, 2010)

Parallel implementation of unmixing algorithm for variable-endmember linear mixture model. - Naoki Takahashi; Kenta Obata; Masaki Iwamaru; Hiroki Yoshioka (IGARSS, 2010)

Inter-Algorithm Relationships for the Estimation of the Fraction of Vegetation Cover Based on a Two Endmember Linear Mixture Model with the VI Constraint. - Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2010)

Relationships Between Errors Propagated in Fraction of Vegetation Cover by Algorithms Based on a Two-Endmember Linear Mixture Model. - Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2010)

Influence of endmember spectra on scaling effect of vegetation cover estimationwith NDVI. - Kenta Obata; Hiroki Yoshioka (IGARSS, 2011)

Soil isoline equation in red-NIR reflectance space for cross calibration of NDVI between sensors. - Hiroki Yoshioka; Kenta Obata (IGARSS, 2011)

Comparison of the Noise Robustness of FVC Retrieval Algorithms Based on Linear Mixture Models. - Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2011)

Scaling effect of area-averaged NDVI derived from ALOS-AVNIR2 data. - Masayuki Matsuoka; Kenta Obata; Hiroki Yoshioka (IGARSS, 2012)

Comparison of scaling effects in fraction of vegetation cover between algorithms based on linear mixture model using VI. - Kenta Obata; Tomoaki Miura; Hiroki Yoshioka (IGARSS, 2012)

Investigation of inter-sensor NDVI relationships based on analytical representation of soil isolines. - Kenta Taniguchi; Kenta Obata; Hiroki Yoshioka (IGARSS, 2012)

Analysis of error in fraction of vegetation cover propageted from band-correlated errors in endmember spectra. - Hiroki Yoshioka; Kenta Obata; Yasuhiro Ikuta (IGARSS, 2012)

Analysis of the Scaling Effects in the Area-Averaged Fraction of Vegetation Cover Retrieved Using an NDVI-Isoline-Based Linear Mixture Model. - Kenta Obata; Tomoaki Miura; Hiroki Yoshioka (Remote. Sens., 2012)

Scaling Effect of Area-Averaged NDVI: Monotonicity along the Spatial Resolution. - Kenta Obata; Takahiro Wada; Tomoaki Miura; Hiroki Yoshioka (Remote. Sens., 2012)

Derivation of Relationships between Spectral Vegetation Indices from Multiple Sensors Based on Vegetation Isolines. - Hiroki Yoshioka; Tomoaki Miura; Kenta Obata (Remote. Sens., 2012)

Effect of bandwidth of panchromatic image on the quality of pansharpened multispectral image. - Masayuki Matsuoka; Hiroki Yoshioka; Kenta Obata; Takeo Tadono (IGARSS, 2013)

Validity of soil isoline equation for a system of canopy and soil layers. - Kenta Taniguchi; Kenta Obata; Masayuki Matsuoka; Hiroki Yoshioka (IGARSS, 2013)

View-angle dependencies of vegetation isolines for higher-order standardization of spectral vegetation indices. - Satoshi Tsuchiya; Kenta Taniguchi; Kenta Obata; Masayuki Matsuoka; Hiroki Yoshioka (IGARSS, 2013)

HISUI vicarious calibration and CAL/VAL activities. - Hirokazu Yamamoto; Kenta Obata; Toru Kouyama; Satoshi Tsuchida (IGARSS, 2014)

Evaluation of BIAS reduction in cross-calibration of NDVI based on soil isoline equations: Comparison with error estimated from signal-to-noise ratio. - Kenta Taniguchi; Kenta Obata; Hiroki Yoshioka (IGARSS, 2015)

Assessment of HISUI radiometric performance using vicarious calibration and cross-calibration. - Hirokazu Yamamoto; Toru Kouyama; Kenta Obata; Satoshi Tsuchida (IGARSS, 2015)

Inter-Band Radiometric Comparison and Calibration of ASTER Visible and Near-Infrared Bands. - Kenta Obata; Satoshi Tsuchida; Koki Iwao (Remote. Sens., 2015)

An overview of ISS HISUI hyperspectral imager radiometric calibration. - Kenta Obata; Satoshi Tsuchida; Izumi Nagatani; Hirokazu Yamamoto; Toru Kouyama; Yoshiro Yamada; Yu Yamaguchi; Juntaro Ishii (IGARSS, 2016)

Cross-sensor calibration and validation between DESIS and HISUI Hyperspectral Imager on the International Space Station (ISS). - Hirokazu Yamamoto; Kenta Obata; Satoshi Tsuchida; Gregoire Kerr; Martin Bachmann (IGARSS, 2016)

Spectral Cross-Calibration of VIIRS Enhanced Vegetation Index with MODIS: A Case Study Using Year-Long Global Data. - Kenta Obata; Tomoaki Miura; Hiroki Yoshioka; Alfredo R. Huete; Marco Vargas (Remote. Sens., 2016)

Current status of Hyperspectral Imager Suite (HISUI) onboard International Space Station (ISS). - Tsuneo Matsunaga; Akira Iwasaki; Satoshi Tsuchida; Koki Iwao; Jun Tanii; Osamu Kashimura; Ryosuke Nakamura; Hirokazu Yamamoto; Soushi Kato; Kenta Obata; Koichiro Mouri; Tetsushi Tachikawa (IGARSS, 2017)

Optimization technique of asymmetric-order vegetation isoline equations. - Munenori Miura; Kenta Obata; Kenta Taniguchi; Hiroki Yoshioka (IGARSS, 2017)

Analysis of the scaling effect present in the relative differences between NDVIs obtained from multiple sensors, based on the soil isoline equation. - Kenta Taniguchi; Munenori Miura; Kenta Obata; Hiroki Yoshioka (IGARSS, 2017)

Improved Accuracy of the Asymmetric Second-Order Vegetation Isoline Equation over the RED-NIR Reflectance Space. - Munenori Miura; Kenta Obata; Kenta Taniguchi; Hiroki Yoshioka (Sensors, 2017)

Cross-Calibration between ASTER and MODIS Visible to Near-Infrared Bands for Improvement of ASTER Radiometric Calibration. - Kenta Obata; Satoshi Tsuchida; Hirokazu Yamamoto; Kurtis J. Thome (Sensors, 2017)

Hisui Status Toward FY2019 Launch. - Tsuneo Matsunaga; Akira Iwasaki; Satoshi Tsuchida; Koki Iwao; Ryosuke Nakamura; Hirokazu Yamamoto; Soushi Kato; Kenta Obata; Osamu Kashimura; Jun Tanii; Koichiro Mouri; Tetsushi Tachikawa (IGARSS, 2018)

Influences of Soil Line Parameters on Soil Brightness Estimation with Soil Isoline Equations in Red-Nir Reflectance Subspace. - Kenta Taniguchi; Yusuke Adachi; Kenta Obata; Hiroki Yoshioka (IGARSS, 2018)

Sensitivity Variation of Aster Derived From Moon and Deepspace Observations in 2003 and 2017. - Toru Kouyama; Satoshi Tsuchida; Fumihiro Sakuma; Tetsushi Tachikawa; Hirokazu Yamamoto; Kenta Obata; Soushi Kato; Masakuni Kikuchi; Ryosuke Nakamura (IGARSS, 2019)

HISUI Status Toward 2020 Launch. - Tsuneo Matsunaga; Kenta Obata; Koichiro Mouri; Tetsushi Tachikawa; Akira Iwasaki; Satoshi Tsuchida; Koki Iwao; Jun Tanii; Osamu Kashimura; Ryosuke Nakamura; Hirokazu Yamamoto; Soushi Kato (IGARSS, 2019)

Relative Azimuthal-Angle Matching (RAM): A Screening Method for GEO-LEO Reflectance Comparison in Middle Latitude Forests. - Yusuke Adachi; Ryota Kikuchi; Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2019)

Lunar Calibration for ASTER VNIR and TIR with Observations of the Moon in 2003 and 2017. - Toru Kouyama; Soushi Kato; Masakuni Kikuchi; Fumihiro Sakuma; Akira Miura; Tetsushi Tachikawa; Satoshi Tsuchida; Kenta Obata; Ryosuke Nakamura (Remote. Sens., 2019)

Sensitivity Analysis Method for Spectral Band Adjustment between Hyperspectral Sensors: A Case Study Using the CLARREO Pathfinder and HISUI. - Kenta Obata (Remote. Sens., 2019)

Analytical Relationship between Two-Band Spectral Vegetation Indices Measured at Multiple Sensors on a Parametric Representation of Soil Isoline Equations. - Kenta Taniguchi; Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2019)

Combination of Cross- and Inter-Band Radiometric Calibrations for a Hyperspectral Sensor Using Model-Based Spectral Band Adjustment. - Hiroki Mizuochi; Satoshi Tsuchida; Kenta Obata; Hirokazu Yamamoto; Satoru Yamamoto (Remote. Sens., 2020)

A Simple Algorithm for Deriving an NDVI-Based Index Compatible between GEO and LEO Sensors: Capabilities and Limitations in Japan. - Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2020)

Radiometric Degradation Curves for the ASTER VNIR Processing Using Vicarious and Lunar Calibrations. - 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 (Remote. Sens., 2020)

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. - Kenta Obata; Satoshi Tsuchida; Hirokazu Yamamoto; Kurtis J. Thome (Sensors, 2020)

Development and Demonstration of a Method for GEO-to-LEO NDVI Transformation. - Kenta Obata; Kenta Taniguchi; Masayuki Matsuoka; Hiroki Yoshioka (Remote. Sens., 2021)

Wavelength Extension of the Optimized Asymmetric-Order Vegetation Isoline Equation to Cover the Range from Visible to Near-Infrared. - Munenori Miura; Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2022)

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. - Kenta Obata; Hiroki Yoshioka (Remote. Sens., 2022)