Prof. Masayuki Nakajima Profile

Prof. Masayuki Nakajima

SPIE Involvement:

Conference Chair | Editor | Author

Publications (19)

Proceedings Article | 24 September 2007 Paper

Toward a tongue-based task triggering interface for computer interaction

Luis Sapaico, Masayuki Nakajima

Proceedings Volume 6696, 66960J (2007) https://doi.org/10.1117/12.733343

KEYWORDS: Tongue, Mouth, Image segmentation, Databases, Head, Facial recognition systems, Human-machine interfaces, Video, Detection and tracking algorithms, Cameras

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Proceedings Article | 16 February 2006 Paper

Optimized gradient filters for hexagonal matrices

Tetsuo Shima, Suguru Saito, Masayuki Nakajima

Proceedings Volume 6064, 606408 (2006) https://doi.org/10.1117/12.651036

KEYWORDS: Matrices, Optical filters, Image filtering, Image processing, Anisotropy, Receptors, Fourier transforms, Digital filtering, Digital cameras, Imaging systems

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Proceedings Article | 9 February 2006 Paper

Study of asthenopia caused by the viewing of stereoscopic images: measurement by MEG and other devices

Hiroyuki Hagura, Masayuki Nakajima

Proceedings Volume 6057, 60570K (2006) https://doi.org/10.1117/12.642943

KEYWORDS: 3D image processing, 3D displays, Magnetoencephalography, 3D vision, Eye, Brain, 3D metrology, Glasses, Neuroimaging, Electroencephalography

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Proceedings Article | 21 May 1999 Paper

Nonlinear registration of medical images using Cauchy-Navier spline transformation

Mie Sato, Aboul Hassanien, Masayuki Nakajima

Proceedings Volume 3661, (1999) https://doi.org/10.1117/12.348634

KEYWORDS: Image registration, Medical imaging, Magnetic resonance imaging, Computed tomography, Image segmentation, Image processing, Image processing algorithms and systems, Brain, Neuroimaging, Feature extraction

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Proceedings Article | 7 September 1998 Paper

Development and standardization of a spectral characteristics database for evaluating color reproduction in image input devices

Johji Tajima, Masato Tsukada, Yoichi Miyake, Hideaki Haneishi, Norimichi Tsumura, Masayuki Nakajima, Yoshihiko Azuma, Tetsuo Iga, Masao Inui, Noboru Ohta, Nobutoshi Ojima, Sei Sanada

Proceedings Volume 3409, (1998) https://doi.org/10.1117/12.324095

KEYWORDS: Printing, Databases, Sensors, Color reproduction, Visualization, Standards development, Reflectivity, Skin, Photography, Remote sensing

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Proceedings Article | 26 June 1998 Paper

Region-based prediction method for structural representation and compression coding of images

Yuh-Hwan Liu, Masayuki Nakajima

Proceedings Volume 3335, (1998) https://doi.org/10.1117/12.312535

KEYWORDS: Image compression, Image processing, Signal to noise ratio, Medical imaging, Image quality, Image filtering, Computer programming, Magnetic resonance imaging, Digital filtering, Algorithm development

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Proceedings Article | 18 June 1998 Paper

Generating intelligent behavior for artificial creatures using the senses

Peisuei Lee, Hiroki Takahashi, Masayuki Nakajima

Proceedings Volume 3422, (1998) https://doi.org/10.1117/12.311086

KEYWORDS: Prototyping, Artificial intelligence, Environmental sensing, Genetic algorithms, Lithium, Optical spheres, 3D modeling, Genetics, Solid modeling, Binary data

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Proceedings Article | 18 June 1998 Paper

Classification algorithm of 3D volumetric data for hierarchical visualization

Mie Sato, Yuh-Hwan Liu, Hiroki Takahashi, Masayuki Nakajima

Proceedings Volume 3422, (1998) https://doi.org/10.1117/12.311082

KEYWORDS: Visualization, Visual compression, Image compression, Principal component analysis, Computed tomography, 3D displays, 3D visualizations, Magnetic resonance imaging, 3D modeling, Data compression

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Proceedings Article | 1 February 1998 Paper

Generation of a 3D hair model from hair volume

Wai Ming Kong, Hiroki Takahashi, Masayuki Nakajima

Proceedings Volume 3228, (1998) https://doi.org/10.1117/12.300892

KEYWORDS: 3D modeling, 3D image processing, Head, Skull, Image processing, Multimedia

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Proceedings Article | 30 October 1997 Paper

Semiautomatic feature specification based on snakes for image morphing

Aboul Hassanien, Hiroki Takahashi, Masayuki Nakajima

Proceedings Volume 3164, (1997) https://doi.org/10.1117/12.279567

KEYWORDS: Image morphing, Image processing, Human-machine interfaces, Laser induced plasma spectroscopy, Mouth

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Proceedings Article | 6 October 1997 Paper

Image morphing with snake model and thin-plate spline interpolation

Aboul Hassanien, Masayuki Nakajima

Proceedings Volume 3229, (1997) https://doi.org/10.1117/12.290361

KEYWORDS: Image processing, Image morphing, Image segmentation, Mouth, Laser induced plasma spectroscopy, Human-machine interfaces, Image registration, Video, Distortion, Gaussian filters

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Proceedings Article | 14 November 1996 Paper

Generation of 3D hair model from 2D image using image processing

Kong Ming, Takahashi Hiroki, Nakajima Masayuki

Proceedings Volume 2847, (1996) https://doi.org/10.1117/12.258237

KEYWORDS: Image processing, 3D modeling, Data modeling, Solid modeling, 3D image processing, Feature extraction, Skull, Head, Data processing, Multimedia

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Proceedings Article | 7 April 1995 Paper

Hybrid texture generator

Kazunori Miyata, Masayuki Nakajima

Proceedings Volume 2410, (1995) https://doi.org/10.1117/12.205972

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Proceedings Article | 27 March 1995 Paper

Underwater cable automatic recognition using Hough transformation

Chao Chen, Masayuki Nakajima

Proceedings Volume 2423, (1995) https://doi.org/10.1117/12.205529

KEYWORDS: Detection and tracking algorithms, Digital filtering, Edge detection, Video, Algorithm development, Image processing, Optical fiber cables, Cameras, Edge roughness, Digital imaging

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Proceedings Article | 17 May 1994 Paper

Attenuated phase-shifting mask with a single-layer absorptive shifter of CrO, CrON, MoSiO, and MoSiON film

Masayuki Nakajima, Nobuyuki Yoshioka, Junji Miyazaki, Haruhiko Kusunose, Kunihiro Hosono, Hiroaki Morimoto, Wataru Wakamiya, Keiichi Murayama, Yaichiro Watakabe, Katsuhiro Tsukamoto

Proceedings Volume 2197, (1994) https://doi.org/10.1117/12.175405

KEYWORDS: Photomasks, Phase shifts, Lithography, Etching, Transmittance, Excimer lasers, Semiconducting wafers, Sputter deposition, Mask making, Molybdenum

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Proceedings Article | 1 November 1992 Paper

Study on image data compression by using neural network

Zhong Zheng, Masayuki Nakajima, Takeshi Agui

Proceedings Volume 1818, (1992) https://doi.org/10.1117/12.131414

KEYWORDS: Image compression, Neural networks, Signal to noise ratio, Data compression, Associative arrays, Neurons, Image processing, Visual communications, Computer simulations, Quantization

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Proceedings Article | 1 November 1991 Paper

Digital halftoning using a generalized Peano scan

Takeshi Agui, Takanori Nagae, Masayuki Nakajima

Proceedings Volume 1606, (1991) https://doi.org/10.1117/12.50378

KEYWORDS: Image processing, Raster graphics, Visual communications, Lung, Fractal analysis, Image compression, Diffusion, Optical resolution, Binary data

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Proceedings Article | 1 November 1991 Paper

Recognition of handwritten katakana in a frame using moment invariants based on neural network

Takeshi Agui, Hiroki Takahashi, Masayuki Nakajima, Hiroshi Nagahashi

Proceedings Volume 1606, (1991) https://doi.org/10.1117/12.50373

KEYWORDS: Neural networks, Image processing, Visual communications, Optical character recognition, Digital imaging, Pattern recognition, Image classification, Image segmentation, Binary data, Zernike polynomials

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Proceedings Article | 1 September 1990 Paper

Extraction of arbitrary shapes from a noisy binary image using pseudo view field tracer

Tomoharu Nagao, Takeshi Agui, Masayuki Nakajima

Proceedings Volume 1360, (1990) https://doi.org/10.1117/12.24187

KEYWORDS: Image processing, Binary data, Visual communications, Visual process modeling, Affine motion model, Image segmentation, Hough transforms, Lithium, Feature extraction, Stars

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