Tetsuo Tomimoto
Panasonic
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Featured researches published by Tetsuo Tomimoto.
IEEE Transactions on Consumer Electronics | 1979
Reiichi Sasaki; Yoshitomi Nagaoka; Tetsuo Tomimoto; Hitoshi Sugano
The VIR-Signal, which corrects distortions suffered during transmission, is being utilized in color television receivers from various manufacturers1). These receivers suffer from the unacceptable control of tint and saturation when the VIR-Signal is supplied through a home VCR of azimuth recording type such as VHS2) or Beta.
IEEE Transactions on Consumer Electronics | 1977
Reiichi Sasaki; Yoshitomi Nagaoka; Tetsuo Tomimoto
The NTSC color system specifications are based on three color primaries with given chromaticity coordinates and a specified reference white. Although the signal specifications are unchanged, the receiver color primaries have changed from the NTSC color primaries because of adesire for increased display brightness. These modern primaries increase the transmission errors and noise, and also force some sacrifice in colorimetric fidelity.
The Journal of The Institute of Image Information and Television Engineers | 1977
Tetsuo Tomimoto; Yoshitomi Nagaoka; Reiichi Sasaki
NTSC原色点と異なる色度の螢光体を使用した最近の受像機において, 再現色の色度誤差, 輝度誤差, ノイズ妨害の問題を含めた補正法について検討し, 色信号伝送系に必要な非線形特性を明らかにするとともに, 実用的な補正方式を開発した.本方式による改善度は, 再現色の平均輝度誤差が5分の1に, 最大輝度誤差が10分の1に軽減され, ノイズ妨害量では最大8dBの改善が得られる.
Archive | 1993
Kouji Arii; Testsuo Maeda; Tetsuo Tomimoto; Ryo Akiyama
Archive | 1980
Tetsuo Tomimoto; Yoshio Yasumoto; Eiichi Taira
Archive | 1989
Kouji Arii; Tetsuo Maeda; Tetsuo Tomimoto; Ryo Akiyama
Archive | 1979
Tetsuo Tomimoto; Yoshitomi Nagaoka
Archive | 1980
Yoshiteru Matsuda; Tetsuo Tomimoto; Yoshitomo Nagaoka
Archive | 1989
Kouji Arii; Tetsuo Maeda; Tetsuo Tomimoto; Ryo Akiyama
Archive | 1978
Yoshitomi Nagaoka; Tetsuo Tomimoto; Reiichi Sasaki
