Dr. Takeshi Shimano Profile

Dr. Takeshi Shimano

Senior Researcher at Hitachi Ltd

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 20 August 2020 Presentation + Paper

A compact omnidirectional stereo camera for autonomous driving

Ryota Kawamata, Keiichi Betsui, Takeshi Shimano, Kazuyoshi Yamazaki

Proceedings Volume 11500, 115000B (2020) https://doi.org/10.1117/12.2568334

KEYWORDS: Calibration, Image sensors, Distortion, Mirrors, Stereoscopic cameras, Cameras, Sensors, Prototyping, Optical design

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Proceedings Article | 30 August 2019 Paper

Lensless 3D sensing technology with Fresnel zone aperture based light-field imaging

Keita Yamaguchi, Yusuke Nakamura, Kazuyuki Tajima, Toshiki Ishii, Koji Yamasaki, Takeshi Shimano

Proceedings Volume 11125, 111250F (2019) https://doi.org/10.1117/12.2531062

KEYWORDS: Image sensors, Cameras, Sensors, Reconstruction algorithms, Three dimensional sensing, Image processing, 3D image reconstruction, Coded aperture imaging

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SPIE Journal Paper | 14 February 2014 Open Access

New optical architecture for holographic data storage system compatible with Blu-ray Disc™ system

Ken-ichi Shimada, Tatsuro Ide, Takeshi Shimano, Ken Anderson, Kevin Curtis

OE, Vol. 53, Issue 02, 025102, (February 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.2.025102

KEYWORDS: Objectives, Multiplexing, Holographic data storage systems, Holography, Holograms, Signal to noise ratio, Spatial light modulators, Mirrors, Laser systems engineering, Data storage

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Proceedings Article | 11 July 2007 Paper

Readout-signal amplification by homodyne detection scheme

H. Mikami, T. Shimano, H. Kudo, J. Hashizume, H. Miyamoto

Proceedings Volume 6620, 662005 (2007) https://doi.org/10.1117/12.738418

KEYWORDS: Homodyne detection, Interference (communication), Optical discs, Signal detection, Polarization, Disk lasers, Visibility, Optical amplifiers, Amplifiers, Reflectivity

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Proceedings Article | 10 January 2002 Paper

Measuring spherical aberration for the dynamic compensation of substrate-thickness errors

Takeshi Shimano, Tetsuo Ariyoshi, Mariko Umeda, Takeshi Maeda, Hirofumi Sukeda, Takuji Nomura, Kouichi Murata

Proceedings Volume 4342, (2002) https://doi.org/10.1117/12.453393

KEYWORDS: Servomechanisms, Monochromatic aberrations, Liquid crystals, Phase shifts, Signal detection, Optical discs, Objectives, Lenses, Electrodes, Digital video discs

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Proceedings Article | 18 September 2000 Paper

Mark-forming simulations of phase-change land/groove disks

Yoshiko Nishi, Takeshi Shimano, Hidehiko Kando

Proceedings Volume 4090, (2000) https://doi.org/10.1117/12.399354

KEYWORDS: Finite-difference time-domain method, Electromagnetism, Absorption, Optical discs, Crystals, Optical simulations, Optical tracking, 3D modeling, Analytical research, Diffraction

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Proceedings Article | 30 July 1997 Paper

Crosstalk reduced by new types of optical filtering

Takeshi Shimano, Kouichirou Wakabayashi, Tohru Sasaki, Takeshi Nakao

Proceedings Volume 3109, (1997) https://doi.org/10.1117/12.280694

KEYWORDS: Molybdenum, Optical filters, Diffraction, Objectives, Optical tracking, Signal detection, Reflectivity, Optical discs, Modulation, Analytical research

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