Dr. Yoshiharu Morimoto Profile

Dr. Yoshiharu Morimoto

CEO at 4D Sensor Inc.

SPIE Involvement:

Author

Publications (32)

SPIE Journal Paper | 1 October 2011

Dynamic shape and strain measurements of rotating tire using a sampling moiré method

Motoharu Fujigaki, Akihiro Masaya, Kosuke Shimo, Yoshiharu Morimoto

OE, Vol. 50, Issue 10, 101506, (October 2011) https://doi.org/10.1117/12.10.1117/1.3579525

KEYWORDS: Cameras, CCD cameras, Fringe analysis, Phase shifts, Shape analysis, 3D metrology, Optical engineering, Image processing, Phase measurement, 3D image processing

Read Abstract +

SPIE Journal Paper | 1 October 2009

Single-shot three-dimensional shape measurement method using a digital micromirror device camera by fringe projection

Shien Ri, Motoharu Fujigaki, Yoshiharu Morimoto

OE, Vol. 48, Issue 10, 103605, (October 2009) https://doi.org/10.1117/12.10.1117/1.3250197

KEYWORDS: Digital micromirror devices, Cameras, Calibration, Charge-coupled devices, Mirrors, CCD cameras, Phase shifts, 3D image processing, 3D metrology, LCDs

Read Abstract +

Proceedings Article | 25 August 2009 Paper

Accuracy of sampling moiré method

Yoshiharu Morimoto, Motoharu Fujigaki

Proceedings Volume 7375, 737526 (2009) https://doi.org/10.1117/12.839206

KEYWORDS: Phase shifts, Fringe analysis, Image analysis, Error analysis, Metals, Cameras, Sensors, Image processing, Phase shifting, Computer simulations

Read Abstract +

Proceedings Article | 29 August 2008 Paper

Development of real-time shape measurement system using whole-space tabulation method

Motoharu Fujigaki, Akihiro Takagishi, Toru Matui, Yoshiharu Morimoto

Proceedings Volume 7066, 706606 (2008) https://doi.org/10.1117/12.795300

KEYWORDS: Calibration, Phase shifts, CCD cameras, Distortion, LCDs, Image processing, Projection systems, Cameras, Radon, Phase shifting

Read Abstract +

Proceedings Article | 11 August 2008 Paper

Strain distribution measurement by digital holographic interferometry using three spherical waves

Motoharu Fujigaki, Kohhei Shiotani, Ryosuke Kido, Yoshiharu Morimoto

Proceedings Volume 7063, 70630G (2008) https://doi.org/10.1117/12.798316

KEYWORDS: Spherical lenses, Light sources, Digital holography, Calibration, Phase shifts, Holographic interferometry, Fourier transforms, Holograms, Fringe analysis, Light

Read Abstract +

SPIE Journal Paper | 1 February 2007

Subnanometer displacement measurement by averaging of phase difference in windowed digital holographic interferometry

Yoshiharu Morimoto, Matui Toru, Motoharu Fujigaki, Norikazu Kawagishi

OE, Vol. 46, Issue 02, 025603, (February 2007) https://doi.org/10.1117/12.10.1117/1.2538709

KEYWORDS: Holograms, Holographic interferometry, Digital holography, 3D image reconstruction, Speckle, Phase shifts, Optical engineering, Error analysis, Charge-coupled devices, Holography

Read Abstract +

Proceedings Article | 6 December 2005 Paper

Development of DMD reflection-type CCD camera for phase analysis and shape measurement

Shien Ri, Yasuhiro Matsunaga, Motoharu Fujigaki, Toru Matui, Yoshiharu Morimoto

Proceedings Volume 6049, 60490I (2005) https://doi.org/10.1117/12.647938

KEYWORDS: Digital micromirror devices, Cameras, Charge-coupled devices, Mirrors, CCD cameras, Phase shifts, Moire patterns, Modulation transfer functions, Shape analysis, Camera shutters

Read Abstract +

Proceedings Article | 6 December 2005 Paper

Omnidirectional shape measurement using reliability evaluation value in Fourier transform

Toru Matui, Shien Ri, Motoharu Fujigaki, Yoshiharu Morimoto

Proceedings Volume 6049, 60490F (2005) https://doi.org/10.1117/12.648709

KEYWORDS: Reliability, Cameras, Fourier transforms, Projection systems, CCD cameras, LCDs, Phase shifts, 3D image processing, Fringe analysis, 3D metrology

Read Abstract +

Proceedings Article | 6 December 2005 Paper

Effect of weight in averaging of phases on accuracy in windowed digital holographic interferometry for pico-meter displacement measurement

Yoshiharu Morimoto, Toru Matui, Motoharu Fujigaki, Norikazu Kawagishi

Proceedings Volume 6049, 60490D (2005) https://doi.org/10.1117/12.648696

KEYWORDS: Holograms, Holographic interferometry, Digital holography, Speckle, Phase shifts, 3D image reconstruction, Charge-coupled devices, Error analysis, Holography, Photography

Read Abstract +

SPIE Journal Paper | 1 August 2005

Phase reliability evaluation in phase-shifting method using Fourier transform for shape measurement

Shien Ri, Motoharu Fujigaki, Yoshiharu Morimoto

OE, Vol. 44, Issue 08, 083601, (August 2005) https://doi.org/10.1117/12.10.1117/1.2030907

KEYWORDS: Reliability, CCD cameras, Fourier transforms, Projection systems, Phase shifts, Fringe analysis, Cameras, Optical engineering, LCDs, Shape analysis

Read Abstract +

SPIE Journal Paper | 1 July 2005

Image reconstruction from compressed encrypted digital hologram

Takanori Nomura, Atsushi Okazaki, Masashi Kameda, Yoshiharu Morimoto, Bahram Javidi

OE, Vol. 44, Issue 07, 075801, (July 2005) https://doi.org/10.1117/12.10.1117/1.1951568

KEYWORDS: Digital holography, Holograms, 3D image reconstruction, Image compression, Image encryption, Quantization, Digital imaging, Binary data, Image restoration, Holography

Read Abstract +

Proceedings Article | 12 April 2005 Paper

Improvement of accuracy of shape measurement using DMD reflection-type CCD camera

Motoharu Fujigaki, Yoshiharu Morimoto, Shien Ri

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621663

KEYWORDS: Digital micromirror devices, Phase shifts, CCD cameras, Cameras, Charge-coupled devices, Mirrors, Micromirrors, Camera shutters, Moire patterns, Systems engineering

Read Abstract +

Proceedings Article | 12 April 2005 Paper

Shape measurement by unwrapping method using aliasing of Fourier spectrum

Yoshiharu Morimoto, Motoharu Fujigaki, Toshio Toyotake

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621457

KEYWORDS: Phase shifts, Phase shift keying, Systems engineering, Fringe analysis, Switching, Experimental mechanics, Cameras, Algorithm development, Shape analysis, Fourier transforms

Read Abstract +

SPIE Journal Paper | 1 October 2004

Hybrid optical encryption of a 3-D object using a digital holographic technique

Takanori Nomura, Kaoru Uota, Yoshiharu Morimoto

OE, Vol. 43, Issue 10, (October 2004) https://doi.org/10.1117/12.10.1117/1.1789991

KEYWORDS: Digital holography, Holograms, Wavefronts, Charge-coupled devices, Hybrid optics, 3D image processing, Holography, Diffraction, Phase shift keying, Digital recording

Read Abstract +

Proceedings Article | 17 August 2004 Paper

Real-time shape measurement system including CG output

Yoshiharu Morimoto, Motoharu Fujigaki, Rodolphe Saugier

Proceedings Volume 5458, (2004) https://doi.org/10.1117/12.546268

KEYWORDS: Phase shifts, Shape analysis, Moire patterns, CCD cameras, Fringe analysis, Cameras, Phase shifting, Cell phones, Projection systems, Interferometry

Read Abstract +

Proceedings Article | 30 September 2003 Paper

Deformation measurement by digital holographic interferometry

Isao Takahashi, Takanori Nomura, Yoshiharu Morimoto, Satoru Yoneyama, Motoharu Fujigaki

Proceedings Volume 5264, (2003) https://doi.org/10.1117/12.515005

KEYWORDS: Digital holography, Phase shifts, Holographic interferometry, Semiconductor lasers, Holograms, Holography, Near field diffraction, Denoising, Charge-coupled devices, 3D image reconstruction

Read Abstract +

SPIE Journal Paper | 1 May 2003

Absolute phase analysis method for three-dimensional surface profilometry using frequency-modulated grating

Yasuyuki Ikeda, Satoru Yoneyama, Motoharu Fujigaki, Yoshiharu Morimoto

OE, Vol. 42, Issue 05, (May 2003) https://doi.org/10.1117/12.10.1117/1.1566780

KEYWORDS: Projection systems, CCD cameras, Error analysis, Optical engineering, Calibration, LCDs, Cameras, Modulation, Phase shift keying, Inspection

SPIE Journal Paper | 1 January 2003

Three-dimensional surface profile measurement of a moving object by a spatial offset phase step method

Satoru Yoneyama, Yoshiharu Morimoto, Motoharu Fujigaki, Yasuyuki Ikeda

OE, Vol. 42, Issue 01, (January 2003) https://doi.org/10.1117/12.10.1117/1.1525279

KEYWORDS: Sensors, Fringe analysis, Image sensors, Inspection, Cameras, 3D image processing, Phase measurement, CCD image sensors, Speckle pattern, Manufacturing

Proceedings Article | 27 November 2002 Paper

Secure optical storage with a random phase key code based on a joint transform correlator architecture

Takanori Nomura, Shunji Mikan, Yoshiharu Morimoto, Bahram Javidi

Proceedings Volume 4789, (2002) https://doi.org/10.1117/12.459014

KEYWORDS: Optical storage, Fourier transforms, Multiplexing, Joint transforms, Optical correlators, Computer simulations, Image compression, Computing systems, Data storage, Holography

Read Abstract +

Proceedings Article | 29 May 2002 Paper

Shape and displacement measurement by phase-shifting scanning moire method using digital micromirror device

Motoharu Fujigaki, Yoshiharu Morimoto, Qian Gao

Proceedings Volume 4537, (2002) https://doi.org/10.1117/12.468865

KEYWORDS: Digital micromirror devices, Phase shifts, Moire patterns, Cameras, CCD cameras, Charge-coupled devices, Mirrors, Imaging systems, Micromirrors, Camera shutters

Read Abstract +

Proceedings Article | 29 May 2002 Paper

Phase-unwrapping method in real-time shape measurement using composite rectangular grid

K. Iwai, Yoshiharu Morimoto, Motoharu Fujigaki, Satoru Yoneyama

Proceedings Volume 4537, (2002) https://doi.org/10.1117/12.468844

KEYWORDS: Composites, Phase shifts, CCD cameras, Moire patterns, Phase shifting, Video, Imaging systems, Computing systems, 3D metrology, Systems engineering

Read Abstract +

Proceedings Article | 29 May 2002 Paper

Shape, stress, and strain measurement using phase analysis of grating or fringe patterns

Yoshiharu Morimoto, Motoharu Fujigaki, Satoru Yoneyama

Proceedings Volume 4537, (2002) https://doi.org/10.1117/12.468867

KEYWORDS: Fourier transforms, Wavelet transforms, Shape analysis, Fringe analysis, Wavelets, Phase measurement, Photoelasticity, 3D image processing, Strain analysis, Polarizers

Read Abstract +

Proceedings Article | 13 November 2001 Paper

Digital holographic data reconstruction with data compression

Takanori Nomura, Atsushi Okazaki, Masashi Kameda, Yoshiharu Morimoto, Bahram Javidi

Proceedings Volume 4471, (2001) https://doi.org/10.1117/12.449341

KEYWORDS: Digital holography, Holograms, Quantization, Image compression, Image encryption, Holography, Binary data, 3D image reconstruction, Data compression, Computer simulations

Read Abstract +

Proceedings Article | 13 June 2001 Paper

Frequency domain methods in digital photoelasticity

Yoshiharu Morimoto, Takanori Nomura, Motoharu Fujigaki, R. Matsui

Proceedings Volume 4317, (2001) https://doi.org/10.1117/12.429556

KEYWORDS: Photoelasticity, Fringe analysis, Wavelet transforms, Fourier transforms, Phase shifts, Wavelets, Wave plates, 3D image processing, Polarizers, Digital photography

Read Abstract +

Proceedings Article | 13 August 1999 Paper

Small displacement analysis of microaccelerometer by integrated phase-shifting method

Motoharu Fujigaki, Yoshiharu Morimoto, Hiroki Toda

Proceedings Volume 3744, (1999) https://doi.org/10.1117/12.357700

Read Abstract +

Proceedings Article | 13 August 1999 Paper

Real-time shape measurement by integrated phase-shifting method

Yoshiharu Morimoto, Motoharu Fujigaki, Hiroki Toda

Proceedings Volume 3744, (1999) https://doi.org/10.1117/12.357702

Read Abstract +

Proceedings Article | 29 September 1998 Paper

Real-time phase distribution analysis of fringe patterns

Yoshiharu Morimoto, Motoharu Fujigaki

Proceedings Volume 3407, (1998) https://doi.org/10.1117/12.323330

KEYWORDS: Moire patterns, Phase shifts, Fringe analysis, Demodulation, Electroluminescence, Analog electronics, Analytical research, CCD image sensors, Image processing, Shape analysis

Read Abstract +

Proceedings Article | 20 March 1997 Paper

Accurate shape measurement for cylindrical object by phase-shifting method using Fourier transform

Motoharu Fujigaki, Yoshiharu Morimoto

Proceedings Volume 2921, (1997) https://doi.org/10.1117/12.269876

KEYWORDS: Phase shifts, Fourier transforms, Cameras, 3D image processing, Projection systems, Shape analysis, Phase shifting, Sensors, Error analysis, CCD cameras

Read Abstract +

SPIE Journal Paper | 1 November 1994

Fringe pattern analysis by a phase-shifting method using Fourier transform

Yoshiharu Morimoto, Motofumi Fujisawa

OE, Vol. 33, Issue 11, (November 1994) https://doi.org/10.1117/12.10.1117/12.181923

KEYWORDS: Fringe analysis, 3D image processing, Fourier transforms, Phase shifts, Phase shifting, Interferometry, Image analysis, Image processing, Interferometers, Error analysis

Read Abstract +

SPIE Journal Paper | 1 August 1994

Carrier pattern analysis of moiré interferometry using the Fourier transform moiré method

Yoshiharu Morimoto, Harold Gascoigne, Daniel Post

OE, Vol. 33, Issue 08, (August 1994) https://doi.org/10.1117/12.10.1117/12.173578

KEYWORDS: Moire patterns, Fringe analysis, Deflectometry, Fourier transforms, Diffraction gratings, Image processing, Composites, Cameras, Mechanical engineering, Statistical analysis

Read Abstract +

Proceedings Article | 1 December 1991 Paper

Carrier pattern analysis of moire interferometry using Fourier transform

Yoshiharu Morimoto, Daniel Post, Harold Gascoigne

Proceedings Volume 1554, (1991) https://doi.org/10.1117/12.57433

KEYWORDS: Moire patterns, Fringe analysis, Deflectometry, Fourier transforms, Diffraction gratings, Image processing, Composites, Mechanics, Holographic interferometry, Nondestructive evaluation

Read Abstract +

Proceedings Article | 1 December 1991 Paper

Displacement measurement of track on magnetic tape by Fourier transform grid method

Yasushi Sogabe, Yoshiharu Morimoto, Shigeki Murata

Proceedings Volume 1554, (1991) https://doi.org/10.1117/12.57500

KEYWORDS: Magnetism, Magnetic tracking, Fourier transforms, Moire patterns, Optical tracking, Holographic interferometry, Mechanics, Video, Head, 3D vision

Read Abstract +

Showing 5 of 32 publications

Conference Committee Involvement (3)

Optical Micro- and Nanometrology in Microsystems Technology

8 April 2008 | Strasbourg, France

Optical Micro- and Nanometrology in Microsystems Technology

5 April 2006 | Strasbourg, France

Optical Micro- and Nanometrology in Manufacturing Technology

29 April 2004 | Strasbourg, France

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years