Toshihiko Umehara

31 papers C 24Journal 3Unranked 4

Year	Rank	Type	Title / Venue / Authors
2023	C	`conf`	Development Status of Nict's new X-Band Airborne SAR (Pi-SAR X3). IGARSS Shoichiro Kojima, Junpei Uemoto, Akitsugu Nadai, Tatsuharu Kobayashi, Takeshi Matsuoka, Toshihiko Umehara, Masato Tanaka
2017	C	`conf`	Repeat pass radar interferometry by PI-SAR2 with RF-NAVI. IGARSS Shoichiro Kojima, Takeshi Matsuoka, Tatsuharu Kobayashi, Junpei Uemoto, Akitsugu Nadai, Toshihiko Umehara
2017	J	`jnl`	Theoretical Characterization of X-Band Multiincidence Angle and Multipolarimetric SAR Data From Rice Paddies at Late Vegetative Stage. IEEE Trans. Geosci. Remote. Sens. Motofumi Arii, Hiroyoshi Yamada, Tatsuharu Kobayashi, Shoichiro Kojima, Toshihiko Umehara, Tomomi Komatsu, Takeshi Nishimura
2016	C	`conf`	Pleliminary results on repeat pass interferometry of the X-band airborne SAR system (Pi-SAR2) of NICT. IGARSS Tatsuharu Kobayashi, Shoichiro Kojima, Toshihiko Umehara, Jyunpei Uemoto, Takeshi Matsuoka, Akitsugu Nadai, Seiho Uratsuka
2016	C	`conf`	Theoretical characterization of multi incidence angle and fully Polarimetric SAR data from rice paddies. IGARSS Motofumi Arii, Takeshi Nishimura, Tomomi Komatsu, Hiroyoshi Yamada, Tatsuharu Kobayashi, Shoichiro Kojima, Toshihiko Umehara
2015	C	`conf`	Polarimetric calibration of PI-SAR2: Experimental results of 2013 to 2015 observations. IGARSS Makoto Satake, Jyunpei Uemoto, Takeshi Matsuoka, Tatsuharu Kobayashi, Shoichiro Kojima, Toshihiko Umehara, Toshifumi Moriyama
2014	C	`conf`	Evaluation of digital elevation model generated by an airborne interferometric SAR (Pi-SAR2). IGARSS Tatsuharu Kobayashi, Toshihiko Umehara, Jyunpei Uemoto, Makoto Satake, Shoichiro Kojima, Takeshi Matsuoka, Akitsugu Nadai, Seiho Uratsuka
2014	C	`conf`	Polarimetric data analysis of a rainfall event observed by X-band airborne SAR. IGARSS Makoto Satake, Takeshi Matsuoka, Tatsuharu Kobayashi, Shoichiro Kojima, Jyunpei Uemoto, Toshihiko Umehara, Seiho Uratsuka, Yoshio Yamaguchi
2014	C	`conf`	Preliminary analysis of cross-track interferometry by synthetic beam of two antennas of along-track interferometric SAR. IGARSS Shoichiro Kojima, Toshihiko Umehara, Tatsuharu Kobayashi, Makoto Satake, Jyunpei Uemoto
2013	C	`conf`	Development of Pi-SAR2 along-track interferometric SAR system. IGARSS Shoichiro Kojima, Toshihiko Umehara, Jyunpei Uemoto, Tatsuharu Kobayashi, Makoto Satake, Seiho Uratsuka
2013	C	`conf`	Digital elevation model (DEM) generation of craters by an airborne interferometric sar (Pi-SAR2). IGARSS Tatsuharu Kobayashi, Toshihiko Umehara, Jyunpei Uemoto, Makoto Satake, Shoichiro Kojima, Takeshi Matsuoka, Akitsugu Nadai, Seiho Uratsuka
2012	C	`conf`	Damage detection of the great east Japan earthquake by the airborne SAR (PI-SAR2) of NICT. IGARSS Tatsuharu Kobayashi, Toshihiko Umehara, Jyunpei Uemoto, Makoto Satake, Shoichiro Kojima, Takeshi Matsuoka, Akitsugu Nadai, Seiho Uratsuka
2012	C	`conf`	Damage estimation of the Great East Japan earthquake with airborne SAR (PI-SAR2) data. IGARSS Makoto Satake, Tatsuharu Kobayashi, Jyunpei Uemoto, Toshihiko Umehara, Shoichiro Kojima, Takeshi Matsuoka, Akitsugu Nadai, Seiho Uratsuka
2012	C	`conf`	Performance evaluation on cross-track interferometric SAR function of the airborne SAR system (PI-SAR2) OF NICT. IGARSS Tatsuharu Kobayashi, Toshihiko Umehara, Jyunpei Uemoto, Makoto Satake, Shoichiro Kojima, Takeshi Matsuoka, Akitsugu Nadai, Seiho Uratsuka
2011	C	`conf`	Calibration experiments of advanced X-band airborne SAR system, Pi-SAR2. IGARSS Makoto Satake, Takeshi Matsuoka, Toshihiko Umehara, Tatsuharu Kobayashi, Akitsugu Nadai, Jyunpei Uemoto, Shoichiro Kojima, Seiho Uratsuka
2011	C	`conf`	Dependency of backscattering from ocean surface on wind direction by using airborne SAR - low wind speed case. IGARSS Akitsugu Nadai, Toshihiko Umehara, Takeshi Matsuoka, Makoto Satake, Tatsuharu Kobayashi, Seiho Uratsuka
2011	C	`conf`	Development of the onboard processor for Pi-SAR2. IGARSS Jyunpei Uemoto, Seiho Uratsuka, Toshihiko Umehara, Shin-ichi Yamamoto, Shinichi Taira, Makoto Satake, Shoichiro Kojima, Tatsuharu Kobayashi, Masaki Satoh, Kazuyoshi Kawasaki, Takeshi Matsuoka, Akitsugu Nadai, Ryutaro Suzuki
2009	—	`conf`	Calibration of the High Performance Airborne SAR System (Pi-SAR2). IGARSS (4) Takeshi Matsuoka, Toshihiko Umehara, Akitsugu Nadai, Tatsuharu Kobayashi, Makoto Satake, Seiho Uratsuka
2009	—	`conf`	Development of X-band Airborne Polarimetric and Interferometric SAR with Sub-meter Spatial Resolution. IGARSS (2) Akitsugu Nadai, Seiho Uratsuka, Toshihiko Umehara, Takeshi Matsuoka, Tatsuharu Kobayashi, Makoto Satake
2009	—	`conf`	Polarimetric Analysis of the Dependency of Backscattering from Ocean Surface on Wind Direction. IGARSS (3) Akitsugu Nadai, Toshihiko Umehara, Takeshi Matsuoka, Seiho Uratsuka, Tatsuharu Kobayashi, Makoto Satake
2008	—	`conf`	Dependency of NRCS of Ocean Surface on Wind Direction Using an Airborne Dual-Frequency Polarimetric SAR Observation. IGARSS (1) Akitsugu Nadai, Toshihiko Umehara, Takeshi Matsuoka, Tatsuharu Kobayashi, Seiho Uratsuka
2007	C	`conf`	Dependency analysis of normalized radar cross section of ocean surface on ocean winds using an airborne dual-frequency polarimetric SAR. IGARSS Akitsugu Nadai, Toshihiko Umehara, Takeshi Matsuoka, Makoto Satake, Seiho Uratsuka
2007	C	`conf`	Polarimetric Calibration Experiment of ALOS PALSAR with Polarization-Selective Dihedrals. IGARSS Makoto Satake, Takeshi Matsuoka, Toshihiko Umehara, Hajime Fukuchi
2005	J	`jnl`	A Study on Polarimetric Correlation Coefficient for Feature Extraction of Polarimetric SAR Data. IEICE Trans. Commun. Toshifumi Moriyama, Yoshio Yamaguchi, Seiho Uratsuka, Toshihiko Umehara, Hideo Maeno, Makoto Satake, Akitsugu Nadai, Kazuki Nakamura
2005	C	`conf`	Disastrous environment after earthquake observed by airborne SAR (Pi-SAR). IGARSS Seiho Uratsuka, Toshifumi Moriyama, Toshihiko Umehara, Akitsugu Nadai, Takeshi Matsuoka, Kazuki Nakamura, Harunobu Masuko
2005	J	`jnl`	Polarimetric SAR Image Analysis Using Model Fit for Urban Structures. IEICE Trans. Commun. Toshifumi Moriyama, Seiho Uratsuka, Toshihiko Umehara, Hideo Maeno, Makoto Satake, Akitsugu Nadai, Kazuki Nakamura
2005	C	`conf`	Polarimetric analysis of the disastorus environment by using Pi-SAR. IGARSS Toshifumi Moriyama, Seiho Uratsuka, Toshihiko Umehara, Akitsugu Nadai, Takeshi Matsuoka, Kazuki Nakamura, Harunobu Masuko
2004	C	`conf`	A study on extraction of urban areas from polarimetric Synthetic Aperture Radar image. IGARSS Toshifumi Moriyama, Seiho Uratsuka, Toshihiko Umehara, Makoto Satake, Akitsugu Nadai, Hideo Maeno, Kazuki Nakamura, Yoshio Yamaguchi
2004	C	`conf`	Study on the forest observation in Kushiro wetland by using dual-frequency and fully polarimetric airborne SAR (Pi-SAR) data. IGARSS Kazuki Nakamura, Hiroyuki Wakabayashi, Hisashi Shinsho, Hideo Maeno, Seiho Uratsuka, Akitsugu Nadai, Toshihiko Umehara, Toshifumi Moriyama
2002	C	`conf`	High-resolution dual-bands interferometric and polarimetric airborne SAR (Pi-SAR) and its applications. IGARSS Seiho Uratsuka, Makoto Satake, Tatsuharu Kobayashi, Toshihiko Umehara, Akitsugu Nadai, Hideo Maeno, Harunobu Masuko, Masanobu Shimada
2002	C	`conf`	Range antenna pattern measurements of airborne SAR system with arrayed corner reflectors. IGARSS Makoto Satake, Toshihiko Umehara, Hideo Maeno, Seiho Uratsuka, Haruyuki Nakayama