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Toru Okazaki

Sony Broadcast & Professional Research Laboratories

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Featured researches published by Toru Okazaki.

Systems and Computers in Japan | 1997

Basis generation and description of facial images using principal-component analysis

Akinori Nagata; Toru Okazaki; Chang Seok Choi; Hiroshi Harashima

The human face includes a great deal of information related to individual features. If it were possible to describe facial images by means of parameters, one could think of a variety of applications. In this paper, wireframe models are applied to facial images, and orthogonal facial bases are found using principal-component analysis, while shape-related data and texture-related data are treated separately. By means of these facial bases, effective parametric description of facial images is achieved. The proposed method supports not only analysis of facial images but also image synthesis using obtained parameters.

Archive | 1994

Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed

Teruhiko Suzuki; Yoichi Yagasaki; Tatsuya Sudo; Toru Okazaki

Archive | 1993

Coding method and system, and decoding method and system

Toru Okazaki; Yoichi Yagasaki; Yasuhiro Muramatsu

Archive | 1995

Method and disc apparatus for reproducing information signals and including compensation for disk tilt-based playback deterioration

Shunji Yoshimura; Toru Okazaki

Archive | 1995

Method of recording a compressed motion picture signal in which effects of rounding errors resulting from inversely transforming transaction coefficients representing are mitigated

Teruhiko Suzuki; Yoichi Yagasaki; Tatsuya Sudo; Toru Okazaki

Archive | 1999

Reproducing method and apparatus

Yoshiaki Matsumura; Toru Okazaki; Kenji Ogawa

Archive | 2007

Method and System for Processing an Image, Method and Apparatus for Decoding, Method and Apparatus for Encoding, and Program

Toru Okazaki; Junichi Tanaka; Kazushi Sato; Yoichi Yagasaki

Archive | 1995

Disc apparatus for reproducing information signals recorded on disc-shaped recording medium and reproducing method

Shunji Yoshimura; Toru Okazaki

Archive | 1996

Method and apparatus, demodulating method and signal demodulating apparatus

Toru Okazaki; Shunji Yoshimura

Archive | 1995

Signal modulation method, signal modulator, signal demodulation method and signal demodulator

Toru Okazaki; Shunji Yoshimura

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Junichi Tanaka

Sony Broadcast

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Akinori Nagata

University of Tokyo

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Chang Seok Choi

Kanazawa University

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Hiroshi Harashima

University of Tokyo

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