Wavelength Extension of the Optimized Asymmetric-Order Vegetation Isoline Equation to Cover the Range from Visible to Near-Infrared.

Kenta Obata https://orcid.org/0000-0002-6052-1401 https://www.wikidata.org/entity/Q58673116

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. 2289 2022 14 Remote. Sens. 9 https://doi.org/10.3390/rs14092289 db/journals/remotesensing/remotesensing14.html#MiuraOY22

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. 2020 2022 14 Remote. Sens. 17 db/journals/remotesensing/remotesensing14.html#ObataY22 https://doi.org/10.3390/rs14174194

Kenta Obata Kenta Taniguchi Masayuki Matsuoka Hiroki Yoshioka Development and Demonstration of a Method for GEO-to-LEO NDVI Transformation. 4085 2021 13 Remote. Sens. 20 https://doi.org/10.3390/rs13204085 db/journals/remotesensing/remotesensing13.html#ObataTMY21

Satoshi Tsuchida Hirokazu Yamamoto Toru Kouyama Kenta Obata Fumihiro Sakuma Tetsushi Tachikawa Akihide Kamei Kohei Arai 0001 Jeffrey S. Czapla-Myers Stuart F. Biggar Kurtis J. Thome Radiometric Degradation Curves for the ASTER VNIR Processing Using Vicarious and Lunar Calibrations. 427 2020 12 Remote. Sens. 3 https://doi.org/10.3390/rs12030427 db/journals/remotesensing/remotesensing12.html#TsuchidaYKOSTKA20

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. 2011 2020 12 Remote. Sens. 12 https://doi.org/10.3390/rs12122011 db/journals/remotesensing/remotesensing12.html#MizuochiTOYY20

Kenta Obata Hiroki Yoshioka A Simple Algorithm for Deriving an NDVI-Based Index Compatible between GEO and LEO Sensors: Capabilities and Limitations in Japan. 2417 2020 12 Remote. Sens. 15 https://doi.org/10.3390/rs12152417 db/journals/remotesensing/remotesensing12.html#ObataY20

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. 4057 2020 20 Sensors 14 https://doi.org/10.3390/s20144057 https://www.wikidata.org/entity/Q97688555 db/journals/sensors/sensors20.html#ObataTYT20

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. 1095 2019 11 Remote. Sens. 9 https://doi.org/10.3390/rs11091095 db/journals/remotesensing/remotesensing11.html#AdachiKOY19

Kenta Obata Sensitivity Analysis Method for Spectral Band Adjustment between Hyperspectral Sensors: A Case Study Using the CLARREO Pathfinder and HISUI. 1367 2019 11 Remote. Sens. 11 https://doi.org/10.3390/rs11111367 db/journals/remotesensing/remotesensing11.html#Obata19

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. 1620 2019 11 Remote. Sens. 13 https://doi.org/10.3390/rs11131620 https://www.wikidata.org/entity/Q127545811 db/journals/remotesensing/remotesensing11.html#TaniguchiOY19

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. 2712 2019 11 Remote. Sens. 22 https://doi.org/10.3390/rs11222712 https://www.wikidata.org/entity/Q126807319 db/journals/remotesensing/remotesensing11.html#KouyamaKKSMTTON19

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. 4495-4498 2019 IGARSS https://doi.org/10.1109/IGARSS.2019.8899179 conf/igarss/2019 db/conf/igarss/igarss2019.html#MatsunagaOMTITI19 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. 8819-8822 2019 IGARSS https://doi.org/10.1109/IGARSS.2019.8900183 conf/igarss/2019 db/conf/igarss/igarss2019.html#KouyamaTSTYOKKN19 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. 160-163 2018 IGARSS https://doi.org/10.1109/IGARSS.2018.8518639 conf/igarss/2018 db/conf/igarss/igarss2018.html#MatsunagaITINYK18 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. 8255-8258 2018 IGARSS https://doi.org/10.1109/IGARSS.2018.8518678 conf/igarss/2018 db/conf/igarss/igarss2018.html#TaniguchiAOY18

Munenori Miura Kenta Obata Kenta Taniguchi Hiroki Yoshioka Improved Accuracy of the Asymmetric Second-Order Vegetation Isoline Equation over the RED-NIR Reflectance Space. 450 2017 17 Sensors 3 https://doi.org/10.3390/s17030450 https://www.wikidata.org/entity/Q37732475 db/journals/sensors/sensors17.html#MiuraOTY17

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. 1793 2017 17 Sensors 8 https://doi.org/10.3390/s17081793 https://www.wikidata.org/entity/Q41583347 db/journals/sensors/sensors17.html#ObataTYT17

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). 443-446 2017 IGARSS https://doi.org/10.1109/IGARSS.2017.8126989 conf/igarss/2017 db/conf/igarss/igarss2017.html#MatsunagaITITKN17 Munenori Miura Kenta Obata Kenta Taniguchi Hiroki Yoshioka Optimization technique of asymmetric-order vegetation isoline equations. 2923-2926 2017 IGARSS https://doi.org/10.1109/IGARSS.2017.8127610 conf/igarss/2017 db/conf/igarss/igarss2017.html#MiuraOTY17 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. 3401-3404 2017 IGARSS https://doi.org/10.1109/IGARSS.2017.8127728 conf/igarss/2017 db/conf/igarss/igarss2017.html#TaniguchiMOY17

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. 34 2016 8 Remote. Sens. 1 https://doi.org/10.3390/rs8010034 db/journals/remotesensing/remotesensing8.html#ObataMYHV16

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. 1924-1927 2016 IGARSS https://doi.org/10.1109/IGARSS.2016.7729495 https://www.wikidata.org/entity/Q58648079 conf/igarss/2016 db/conf/igarss/igarss2016.html#ObataTNYKYYI16 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). 1928-1930 2016 IGARSS https://doi.org/10.1109/IGARSS.2016.7729496 conf/igarss/2016 db/conf/igarss/igarss2016.html#YamamotoOTKB16

Kenta Obata Satoshi Tsuchida Koki Iwao Inter-Band Radiometric Comparison and Calibration of ASTER Visible and Near-Infrared Bands. 15140-15160 2015 7 Remote. Sens. 11 https://doi.org/10.3390/rs71115140 https://www.wikidata.org/entity/Q126111431 db/journals/remotesensing/remotesensing7.html#ObataTI15

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. 625-628 2015 IGARSS https://doi.org/10.1109/IGARSS.2015.7325841 conf/igarss/2015 db/conf/igarss/igarss2015.html#TaniguchiOY15 Hirokazu Yamamoto Toru Kouyama Kenta Obata Satoshi Tsuchida Assessment of HISUI radiometric performance using vicarious calibration and cross-calibration. 2805-2808 2015 IGARSS https://doi.org/10.1109/IGARSS.2015.7326397 conf/igarss/2015 db/conf/igarss/igarss2015.html#YamamotoKOT15 Hirokazu Yamamoto Kenta Obata Toru Kouyama Satoshi Tsuchida HISUI vicarious calibration and CAL/VAL activities. 2582-2585 2014 IGARSS https://doi.org/10.1109/IGARSS.2014.6947001 https://www.wikidata.org/entity/Q58648085 conf/igarss/2014 db/conf/igarss/igarss2014.html#YamamotoOKT14 Satoshi Tsuchiya Kenta Taniguchi Kenta Obata Masayuki Matsuoka Hiroki Yoshioka View-angle dependencies of vegetation isolines for higher-order standardization of spectral vegetation indices. 2114-2117 2013 IGARSS https://doi.org/10.1109/IGARSS.2013.6723230 conf/igarss/2013 db/conf/igarss/igarss2013.html#TsuchiyaTOMY13 Kenta Taniguchi Kenta Obata Masayuki Matsuoka Hiroki Yoshioka Validity of soil isoline equation for a system of canopy and soil layers. 2613-2616 2013 IGARSS https://doi.org/10.1109/IGARSS.2013.6723358 conf/igarss/2013 db/conf/igarss/igarss2013.html#TaniguchiOMY13 Masayuki Matsuoka Hiroki Yoshioka Kenta Obata Takeo Tadono Effect of bandwidth of panchromatic image on the quality of pansharpened multispectral image. 3602-3605 2013 IGARSS https://doi.org/10.1109/IGARSS.2013.6723609 conf/igarss/2013 db/conf/igarss/igarss2013.html#MatsuokaYOT13

Kenta Obata Takahiro Wada Tomoaki Miura Hiroki Yoshioka Scaling Effect of Area-Averaged NDVI: Monotonicity along the Spatial Resolution. 160-179 2012 4 Remote. Sens. 1 https://doi.org/10.3390/rs4010160 db/journals/remotesensing/remotesensing4.html#ObataWMY12

Hiroki Yoshioka Tomoaki Miura Kenta Obata Derivation of Relationships between Spectral Vegetation Indices from Multiple Sensors Based on Vegetation Isolines. 583-597 2012 4 Remote. Sens. 3 https://doi.org/10.3390/rs4030583 db/journals/remotesensing/remotesensing4.html#YoshiokaMO12

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. 2156-2180 2012 4 Remote. Sens. 7 https://doi.org/10.3390/rs4072156 db/journals/remotesensing/remotesensing4.html#ObataMY12

Kenta Obata Tomoaki Miura Hiroki Yoshioka Comparison of scaling effects in fraction of vegetation cover between algorithms based on linear mixture model using VI. 1002-1005 2012 IGARSS https://doi.org/10.1109/IGARSS.2012.6350821 conf/igarss/2012 db/conf/igarss/igarss2012.html#ObataMY12 Kenta Taniguchi Kenta Obata Hiroki Yoshioka Investigation of inter-sensor NDVI relationships based on analytical representation of soil isolines. 4891-4894 2012 IGARSS https://doi.org/10.1109/IGARSS.2012.6352516 conf/igarss/2012 db/conf/igarss/igarss2012.html#TaniguchiOY12 Masayuki Matsuoka Kenta Obata Hiroki Yoshioka Scaling effect of area-averaged NDVI derived from ALOS-AVNIR2 data. 5077-5080 2012 IGARSS https://doi.org/10.1109/IGARSS.2012.6352469 conf/igarss/2012 db/conf/igarss/igarss2012.html#MatsuokaOY12 Hiroki Yoshioka Kenta Obata Yasuhiro Ikuta Analysis of error in fraction of vegetation cover propageted from band-correlated errors in endmember spectra. 5967-5970 2012 IGARSS https://doi.org/10.1109/IGARSS.2012.6352249 conf/igarss/2012 db/conf/igarss/igarss2012.html#YoshiokaOI12

Kenta Obata Hiroki Yoshioka Comparison of the Noise Robustness of FVC Retrieval Algorithms Based on Linear Mixture Models. 1344-1364 2011 3 Remote. Sens. 7 https://doi.org/10.3390/rs3071344 db/journals/remotesensing/remotesensing3.html#ObataY11

Kenta Obata Hiroki Yoshioka Influence of endmember spectra on scaling effect of vegetation cover estimationwith NDVI. 2919-2922 2011 IGARSS https://doi.org/10.1109/IGARSS.2011.6049826 conf/igarss/2011 db/conf/igarss/igarss2011.html#ObataY11 Hiroki Yoshioka Kenta Obata Soil isoline equation in red-NIR reflectance space for cross calibration of NDVI between sensors. 3082-3085 2011 IGARSS https://doi.org/10.1109/IGARSS.2011.6049869 conf/igarss/2011 db/conf/igarss/igarss2011.html#YoshiokaO11

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. 1680-1701 2010 2 Remote. Sens. 7 https://doi.org/10.3390/rs2071680 db/journals/remotesensing/remotesensing2.html#ObataY10

Kenta Obata Hiroki Yoshioka Relationships Between Errors Propagated in Fraction of Vegetation Cover by Algorithms Based on a Two-Endmember Linear Mixture Model. 2680-2699 2010 2 Remote. Sens. 12 https://doi.org/10.3390/rs2122680 db/journals/remotesensing/remotesensing2.html#ObataY10a

Naoki Takahashi Kenta Obata Masaki Iwamaru Hiroki Yoshioka Parallel implementation of unmixing algorithm for variable-endmember linear mixture model. 967-970 2010 conf/igarss/2010 IGARSS https://doi.org/10.1109/IGARSS.2010.5653773 db/conf/igarss/igarss2010.html#TakahashiOIY10 Munenori Miura Kenta Obata Hiroki Yoshioka Vegetation isoline equations for analysis of hyper-spectral data with higher order interaction terms. 1031-1034 2010 conf/igarss/2010 IGARSS https://doi.org/10.1109/IGARSS.2010.5648913 db/conf/igarss/igarss2010.html#MiuraOY10 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. III:415-418 2008 IGARSS (3) https://doi.org/10.1109/IGARSS.2008.4779372 conf/igarss/2008 db/conf/igarss/igarss2008.html#YoshiokaWOM08 Kenta Obata Hiroki Yoshioka Hirokazu Yamamoto Unmixing a Variable Endmember Linear Mixture Model for Estimation of Heat Island Mitigation by Green Vegetation. V:498-501 2008 IGARSS (5) https://doi.org/10.1109/IGARSS.2008.4780138 conf/igarss/2008 db/conf/igarss/igarss2008.html#ObataYY08 Yusuke Adachi Kohei Arai 0001 Martin Bachmann Stuart F. Biggar Jeffrey Czapla-MyersJeffrey S. Czapla-Myers Alfredo R. Huete Yasuhiro Ikuta Juntaro Ishii Masaki Iwamaru Koki Iwao Akira Iwasaki Akihide Kamei Osamu Kashimura Soushi Kato Gregoire Kerr Masakuni Kikuchi Ryota Kikuchi Toru Kouyama Tsuneo Matsunaga Masayuki Matsuoka Akira Miura Munenori Miura Tomoaki Miura Hiroki Mizuochi Koichiro Mouri Izumi Nagatani Ryosuke Nakamura Fumihiro Sakuma Tetsushi Tachikawa Takeo Tadono Naoki Takahashi Kenta Taniguchi Jun Tanii Kurtis J. Thome Satoshi Tsuchida Satoshi Tsuchiya Marco Vargas Takahiro Wada Yoshiro Yamada Yu Yamaguchi Hirokazu Yamamoto Satoru Yamamoto Hiroki Yoshioka