Dr. Hiroki Hihara Profile

Dr. Hiroki Hihara

Specialist at NEC Space Technologies Ltd

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 20 October 2023 Presentation + Paper

Sensor electronics design framework with heterogeneous computing edge nodes

Hiroki Hihara, Daichi Imazato, Mitsuhisa Yamaji, Kuniyuki Omagari, Tadateru Takahashi, Kyosuke Kuze, Kazuyo Mizushima, Takeshi Takashima

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

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Proceedings Article | 30 September 2022 Paper

Digital development system for the model-based design of DESTINY⁺

Hiroki Hihara, Shinpei Kondo, Mitsuhisa Yamaji, Kuniyuki Omagari, Tadateru Takahashi, Naoki Yoshizawa, Kazuyo Mizushima, Takeshi Takashima

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

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Proceedings Article | 20 August 2020 Presentation + Paper

Onboard signal processing system of HAYABUSA2

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

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Proceedings Article | 12 November 2019 Paper

Performance evaluation of the optical navigation electronics of HAYABUSA2

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

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SPIE Journal Paper | 29 December 2017 Open Access

Time assignment system and its performance aboard the Hitomi satellite

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

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Proceedings Article | 14 September 2016 Presentation + Paper

Novel processor architecture for onboard infrared sensors

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

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Proceedings Article | 1 September 2015 Paper

Infrared sensor system using robotics technology for inter-planetary mission

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

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Proceedings Article | 12 September 2014 Paper

Onboard infrared signal processing system for asteroid sample return mission HAYABUSA2

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

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SPIE Journal Paper | 28 April 2014

SpaceWire-based thermal-infrared imager system for asteroid sample return mission HAYABUSA2

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

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Proceedings Article | 19 September 2013 Paper

The SpaceWire-based thermal infrared imager system for asteroid sample return mission HAYABUSA2

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

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Proceedings Article | 9 November 2012 Paper

Development of onboard fast lossless compressors for multi and hyperspectral sensors

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

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Proceedings Article | 13 November 2010 Paper

Fast compression implementation for hyperspectral sensor

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

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Showing 5 of 12 publications

Conference Committee Involvement (4)

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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