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Featured researches published by Kazuo Ohzeki.


IEEE Transactions on Consumer Electronics | 1979

A Digitalized Automatic Ghost Cancerller

Junzo Murakami; Kazuo Ohzeki; Keisuke Ogi

Among various approaches for realizing a practical ghost canceller, the one based on an adaptive transversal filter has recently been studied most enthusiastically.(1) ~(3) The inherent merit of this approach lies in the fact that it can cancel diffused multiple ghosts, generated by complex transmission path irregularities. This feature can not be attained by a single-delay-line ghost canceller.


IEEE Transactions on Consumer Electronics | 1982

A Digital Time Domain Equalizer for Teletext

Masaharu Obara; Takashi Uehara; Shinichi Makino; Tohru Hirata; Kazuo Ohzeki; Junzo Murakami

Some trials to reduce TV ghosts have been reported, utilizing transversal filters. (114) They are effective for video ghost reduction as well as for Teletext equalizing.


Archive | 1991

Video phone unit

Takashi Ida; Kazuo Ohzeki; Kenshi Dachiku; Hideyuki Ueno; Toshiaki Watanabe; Yoshikuni Matsumura


Archive | 1996

Model-based coding/decoding method and system

Kazuo Ohzeki; Hiroshi Harashima; Masahide Kaneko; Takahiro Saito


Archive | 1985

Timing control signal generator for teletext signal waveform equalizer

Kazuo Ohzeki


3rd International Workshop on 64kbit/s Coding of Moving Video, 5-2, | 1990

A Study on Facial Region Detection in the Standard Video Coding Method

Hideyuki Ueno; Kenshi Dachiku; Kazuo Ohzeki; Fumio Sugiyama


IEEE Trans. | 1979

A Digitalized Automatic Ghost Canceller

Junzo Murakami; Kazuo Ohzeki; Keisuke Ogi


Proceedings of PCS | 1991

Brightness Compensation for Video Phones

Hideyuki Ueno; Kenshi Dachiku; Kazuo Ohzeki


The Journal of the Institute of Television Engineers of Japan | 1985

Ghost canceller for use in teletext.

Masaharu Obara; Takashi Uehara; Junzo Murakami; Kazuo Ohzeki


Archive | 1984

DIGITAL TELETEXT EQUALIZER LEADING TO CIRCUIT INTEGRATION.

Kazuo Ohzeki; Junzo Murakami

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