Masato Ohki

33 papers C 25Journal 8
YearRankTypeTitle / Venue / Authors
2024 C conf
Alos-2/4 Automatic Flood Detection Algorithm: Updates and Recent Results.
IGARSS
Masato Ohki, Yuki Takakura, Shiro Kawakita, Junichi Takaku, Takeo Tadono
2024 C conf
Operational Calibration Result of the Advanced Land Observing Satellite-2 (ALOS-2).
IGARSS
Takeo Tadono, Masato Ohki, Takeshi Motohka, Osamu Isoguchi, Haruya Hirano
2023 C conf
Estimation of Ionospheric Tec From Alos-2 Palsar-2 Split-Band Data.
IGARSS
Haruya Hirano, Osamu Isoguchi, Takeshi Motohka, Masato Ohki, Takeo Tadono
2023 C conf
Estimation of Potential Earthquake Epicenter Based on Level of Land Deformation Along Coastal Line of South Java.
IGARSS
Pakhrur Razi, Josaphat Tetuko Sri Sumantyo, Yuta Izumi, Takeo Tadono, Yousei Mizukami, Masato Ohki, Takeshi Motohka
2022 C conf
An experiment of flooded building detection using ALOS-2 and a flood experiment field.
IGARSS
Masato Ohki, Ryo Natsuaki, Sadayoshi Aoyama, Takeo Tadono
2022 C conf
Evaluation of Ionospheric Path Delay Correction for L-Band sar Orthorectification.
IGARSS
Osamu Isoguchi, Koichi Imamura, Takeo Tadono, Masato Ohki, Takeshi Motohka
2022 C conf
Generation of the High-Resolution Land-Use and Land-Cover Map in Japan Version 21.11.
IGARSS
Sota Hirayama, Takeo Tadono, Yousei Mizukami, Masato Ohki, Koichi Imamura, Naoyoshi Hirade, Fumi Ohgushi, Masanori Dotsu, Tsutomu Yamanokuchi, Kenlo Nishida Nasahara
2021 C conf
Automatic Flood Extent and Depth Estimation Using Alos-2 and Flood Simulation Data.
IGARSS
Masato Ohki, Kosuke Yamamoto, Takeo Tadono
2021 C conf
Hurricane Ocean Surface Wind Retrieval from ALOS-2 PALSAR-2 Cross-Polarized Measurements.
IGARSS
Osamu Isoguchi, Takeo Tadono, Masato Ohki, Udai Shimada, Munehiko Yamaguchi, Masahiro Hayashi, Wataru Yanase
2021 J jnl
SAR-Based Flood Monitoring for Flatland with Frequently Fluctuating Water Surfaces: Proposal for the Normalized Backscatter Amplitude Difference Index (NoBADI).
Remote. Sens.
Hiroto Nagai, Takahiro Abe, Masato Ohki
2020 C conf
A Study of Automatic Flood-Area Detecion Using ALOS-2 and Ancillary Data.
IGARSS
Masato Ohki, Kosuke Yamamoto, Takeo Tadono
2020 J jnl
Automated Processing for Flood Area Detection Using ALOS-2 and Hydrodynamic Simulation Data.
Remote. Sens.
Masato Ohki, Kosuke Yamamoto, Takeo Tadono, Kei Yoshimura
2020 C conf
CO- and Post-Eruptive Surface Deformation Following the 2018 Eruption of Kilauea Volcano Revealed by ALOS-2 Multi-Mode Images.
IGARSS
Takahiro Abe, Masato Ohki, Takeo Tadono
2020 J jnl
Flood Detection in Built-Up Areas Using Interferometric Phase Statistics of PALSAR-2 Data.
IEEE Geosci. Remote. Sens. Lett.
Masato Ohki, Takeo Tadono, Takuya Itoh, Keiko Ishii, Tsutomu Yamanokuchi, Masanobu Shimada
2019 C conf
Activities of the Advanced Land Observing Satellite (ALOS) for the 2011 Great East Japan Earthquake.
IGARSS
Masato Ohki
2019 J jnl
Flood Area Detection Using PALSAR-2 Amplitude and Coherence Data: The Case of the 2015 Heavy Rainfall in Japan.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Masato Ohki, Takeo Tadono, Takuya Itoh, Keiko Ishii, Tsutomu Yamanokuchi, Manabu Watanabe, Masanobu Shimada
2019 C conf
Flood Detection in Built-up Area Using Interferometric SAR Data by Palsar-2.
IGARSS
Masato Ohki, Masanobu Shimada
2019 J jnl
Sensitivity Analysis of Multifrequency MIMP SAR Data From Rice Paddies.
IEEE Trans. Geosci. Remote. Sens.
Motofumi Arii, Hiroyoshi Yamada, Shoichiro Kojima, Masato Ohki
2019 C conf
Surface Changes Due to the 2018 Eruption of Sierra Negra Volcano in Galápagos Island Revealed by ALOS-2/PALSAR-2.
IGARSS
Takahiro Abe, Masato Ohki, Takeo Tadono
2018 C conf
ALOS-2 Mission Status Updates.
IGARSS
Masato Ohki, Takeshi Motooka, Takahiro Abe, Hiroto Nagai, Takeo Tadono, Yukihiro Kankaku, Masanobu Shimada
2018 J jnl
Characterization of L-Band MIMP SAR Data From Rice Paddies at Late Vegetative Stage.
IEEE Trans. Geosci. Remote. Sens.
Motofumi Arii, Hiroyoshi Yamada, Masato Ohki
2018 C conf
Comparison of MIMP SAR Data from Rice Paddy at X- and L-Bands.
IGARSS
Motofumi Arii, Hiroyoshi Yamada, Shoichiro Kojima, Masato Ohki, Yu Okada
2018 C conf
Flood-Area Detection Using Palsar-2 Data for Heavy Rainfall Disasters in Japan.
IGARSS
Masato Ohki, Masanobu Shimada
2018 J jnl
Large-Area Land Use and Land Cover Classification With Quad, Compact, and Dual Polarization SAR Data by PALSAR-2.
IEEE Trans. Geosci. Remote. Sens.
Masato Ohki, Masanobu Shimada
2018 C conf
Observation of Huge Iceberg Detachment from Larsen-C Ice Shelf in Antarctic Peninsula by ALOS-2/PALSAR-2.
IGARSS
Takahiro Abe, Masato Ohki, Takeo Tadono
2017 C conf
Evaluation of detection capability of crustal movement by airborne SAR (PI-SAR-L2) repeat-pass interferometry.
IGARSS
Masanori Miyawaki, Tomoko Ishii, Shouhei Ohno, Takashi Fujimura, Tsunekazu Kimura, Kenya Harada, Masato Ohki
2017 C conf
PALSAR-2 polarimetric image mosaic and its application to land cover monitoring.
IGARSS
Masato Ohki, Masanobu Shimada
2017 C conf
Performance of ALOS-2 PALSAR-2 for disaster response.
IGARSS
Ryo Natsuaki, Masato Ohki, Hiroto Nagai, Takeshi Motohka, Takeo Tadono, Masanobu Shimada, Shinichi Suzuki
2016 C conf
ALOS-2 operation status.
IGARSS
Yukihiro Kankaku, Shinichi Suzuki, Takeshi Motohka, Masato Ohki, Ryo Natsuaki, Masanobu Shimada
2016 C conf
Emergency observation and disaster monitoring performed by ALOS-2 PALSAR-2.
IGARSS
Ryo Natsuaki, Takeshi Motohka, Manabu Watanabe, Masato Ohki, Rajesh Bahadur Thapa, Hiroto Nagai, Takeo Tadono, Masanobu Shimada, Shinichi Suzuki
2015 C conf
ALOS-Next/TanDEM-L: A highly innovative SAR mission for global observation of dynamic processes on the earth's surface.
IGARSS
Alberto Moreira, Gerhard Krieger, Irena Hajnsek, Kostas Papathanassiou, Marwan Younis, Francisco López-Dekker, Sigurd Huber, Michael Eineder, Masanobu Shimada, Takeshi Motohka, Manabu Watanabe, Masato Ohki, Akihisa Uematsu, Satoru Ozawa
2015 C conf
Accuracy improvement by residue and amplitude based local co-registration method for ALOS-2/PALSAR-2 DInSAR.
IGARSS
Ryo Natsuaki, Manabu Watanabe, Takeshi Motooka, Masato Ohki, Masanobu Shimada
2013 J jnl
Deorientation Effect Investigation for Model-Based Decomposition Over Oriented Built-Up Areas.
IEEE Geosci. Remote. Sens. Lett.
Si-Wei Chen, Masato Ohki, Masanobu Shimada, Motoyuki Sato