Dr. Hiroki Hihara
Specialist at NEC Space Technologies Ltd
SPIE Involvement:
Conference Program Committee | Author
Publications (12)

Proceedings Article | 20 October 2023 Presentation + Paper
Proceedings Volume 12686, 126860D (2023) https://doi.org/10.1117/12.2682131
KEYWORDS: Design and modelling, Field programmable gate arrays, Image processing, Satellites, Sensors, Reliability, Signal processing, Optical navigation, Navigation systems, Imaging systems

Proceedings Article | 30 September 2022 Paper
Proceedings Volume 12233, 1223304 (2022) https://doi.org/10.1117/12.2635213
KEYWORDS: Space operations, Satellites, Model-based design, Data processing, Asteroids, Field programmable gate arrays, Process modeling, Data modeling, Aerospace engineering, Signal processing

Proceedings Article | 20 August 2020 Presentation + Paper
Hiroki Hihara, Junpei Sano, Jun Takada, Tetsuya Masuda, Tatsuaki Okada, Naoko Ogawa, Hisashi Ootake, Yuichi Tsuda
Proceedings Volume 11502, 115020L (2020) https://doi.org/10.1117/12.2570424
KEYWORDS: Image compression, Image processing, Signal processing, Image sensors, Asteroids, Reliability, Sensors, Optical navigation, Field programmable gate arrays, Artificial intelligence

Proceedings Article | 12 November 2019 Paper
Hiroki Hihara, Junpei Sano, Tetsuya Masuda, Hisashi Ootake, Tatsuaki Okada, Naoko Ogawa, Yuichi Tsuda
Proceedings Volume 11197, 1119704 (2019) https://doi.org/10.1117/12.2542821
KEYWORDS: Image processing, Optical navigation, Reliability, Asteroids, Safety, Signal processing, Cameras, Sensors, Image sensors, Electronics

SPIE Journal Paper | 29 December 2017 Open Access
Yukikatsu Terada, Sunao Yamaguchi, Shigenobu Sugimoto, Taku Inoue, Souhei Nakaya, Maika Murakami, Seiya Yabe, Kenya Oshimizu, Mina Ogawa, Tadayasu Dotani, Yoshitaka Ishisaki, Kazuyo Mizushima, Takashi Kominato, Hiroaki Mine, Hiroki Hihara, Kaori Iwase, Tomomi Kouzu, Makoto Tashiro, Chikara Natsukari, Masanobu Ozaki, Motohide Kokubun, Tadayuki Takahashi, Satoko Kawakami, Masaru Kasahara, Susumu Kumagai, Lorella Angelini, Michael Witthoeft
JATIS, Vol. 4, Issue 01, 011206, (December 2017) https://doi.org/10.1117/12.10.1117/1.JATIS.4.1.011206
KEYWORDS: Satellites, Quartz, X-rays, Space operations, Global Positioning System, Clocks, Calibration, Telecommunications, Temperature metrology, Aerospace engineering

Proceedings Article | 14 September 2016 Presentation + Paper
Hiroki Hihara, Akira Iwasaki, Nobuo Tamagawa, Mitsunobu Kuribayashi, Masanori Hashimoto, Yukio Mitsuyama, Hiroyuki Ochi, Hidetoshi Onodera, Hiroyuki Kanbara, Kazutoshi Wakabayashi, Munehiro Tada
Proceedings Volume 9973, 99730S (2016) https://doi.org/10.1117/12.2237433
KEYWORDS: Infrared sensors, Field programmable gate arrays, Sensors, Chemical species, Switches, Signal processing, Infrared radiation, Infrared imaging, Image sensors, Copper

Proceedings Article | 1 September 2015 Paper
Hiroki Hihara, Yousuke Takano, Junpei Sano, Kaori Iwase, Satoko Kawakami, Hisashi Otake, Tatsuaki Okada, Ryu Funase, Jun Takada, Tetsuya Masuda
Proceedings Volume 9608, 96080C (2015) https://doi.org/10.1117/12.2188682
KEYWORDS: Asteroids, Sensors, Image sensors, Infrared sensors, Robotics, Image compression, Signal processing, Image processing, Copper, Interfaces

Proceedings Article | 12 September 2014 Paper
Hisashi Otake, Tatsuaki Okada, Ryu Funase, Hiroki Hihara, Junpei Sano, Kaori Iwase, Satoko Kawakami, Jun Takada, Tetsuya Masuda
Proceedings Volume 9219, 921904 (2014) https://doi.org/10.1117/12.2062818
KEYWORDS: Image compression, Asteroids, Image processing, Signal processing, Infrared radiation, Infrared imaging, Infrared sensors, Sensors, Infrared spectroscopy, JPEG2000

SPIE Journal Paper | 28 April 2014
Hiroki Hihara, Kaori Iwase, Junpei Sano, Hisashi Otake, Tatsuaki Okada, Ryu Funase, Ryoichi Kashikawa, Isamu Higashino, Tetsuya Masuda
JARS, Vol. 8, Issue 01, 084987, (April 2014) https://doi.org/10.1117/12.10.1117/1.JRS.8.084987
KEYWORDS: Asteroids, Image processing, Imaging systems, Image compression, Sensors, Space operations, Control systems, Interfaces, JPEG2000, Optical navigation

Proceedings Article | 19 September 2013 Paper
Hisashi Otake, Tatsuaki Okada, Ryu Funase, Hiroki Hihara, Junpei Sano, Kaori Iwase, Ryoichi Kashikawa, Isamu Higashino, Tetsuya Masuda
Proceedings Volume 8867, 88670F (2013) https://doi.org/10.1117/12.2023951
KEYWORDS: Asteroids, Image processing, Imaging systems, Interfaces, Sensors, Infrared radiation, Infrared imaging, Thermography, Image compression, Control systems

Proceedings Article | 9 November 2012 Paper
Tetsuhiro Nambu, Jun Takada, Takahiro Kawashima, Hiroki Hihara, Hitomi Inada, Makoto Suzuki, Taeko Seki, Satoshi Ichikawa
Proceedings Volume 8527, 85270W (2012) https://doi.org/10.1117/12.979823
KEYWORDS: Sensors, Image compression, Short wave infrared radiation, Radiometry, Image resolution, Satellites, Data modeling, Performance modeling, Data acquisition, Computed tomography

Proceedings Article | 13 November 2010 Paper
Hiroki Hihara, Jun Yoshida, Juro Ishida, Jun Takada, Yuzo Senda, Makoto Suzuki, Taeko Seki, Satoshi Ichikawa, Nagamitsu Ohgi
Proceedings Volume 7857, 78570C (2010) https://doi.org/10.1117/12.869521
KEYWORDS: Sensors, Image compression, Short wave infrared radiation, Image resolution, Radiometry, Satellites, Computer programming, Signal processing, JPEG2000, Satellite imaging

Showing 5 of 12 publications
Conference Committee Involvement (5)
SPIE Future Sensing Technologies
11 November 2025 | Yokohama, Kanagawa, Japan
SPIE Future Sensing Technologies
22 April 2024 | Yokohama, Japan
SPIE Future Sensing Technologies
18 April 2023 | Yokohama, Japan
SPIE Future Sensing Technologies
15 November 2021 | Online Only, Japan
SPIE Future Sensing Technologies
9 November 2020 | Online Only, Japan
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