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Featured researches published by Yuji Uchiyama.


IEEE Transactions on Broadcasting | 2012

Complementary Field Offset Sampled-Scanning for GRB Video Elements

Fumio Okano; Masaru Kanazawa; Yuichi Kusakabe; Masato Furuya; Yuji Uchiyama

We propose a new scanning method which is comparable to progressive scanning. The method improves the resolution of video equipment with GRB three elements. We position both red (R) and blue (B) pixels diagonally offset at a half the pixel pitch from green (G) pixels, and alternating the position of G pixels and both the position of R and B pixels for each field. The Nyquist frequency in both horizontal and vertical directions of the video equipment is doubled compared to that of each field. The method also eliminates artifacts caused by interlace scanning.


Archive | 1991

Recording head with carrier generation and transport layers adjacent a photo-modulation layer for recording information included in an electro-magnetic radiation-beam applied thereto

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama


Archive | 1994

Method and apparatus for recording optical information in a photoelectric transducer controlled by a sensed condition thereof

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama


Archive | 1991

REFLECTIVE OVERHEAD PROJECTOR WITH LIGHT-TO-LIGHT CONVERTER

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama


Archive | 1994

Color image display apparatus with reflection mirrors simultaneously oscillated

Ichiro Negishi; Tetsuji Suzuki; Fujiko Koyama; Yuji Uchiyama; Hiroyuki Bonde; Toshio Konno; Ryusaku Takahashi; Toshiaki Shou


Archive | 1993

Plate-making method and plate-making apparatus for printing

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama


Archive | 2009

Light modulator, projection display apparatus and image projection method

Yuji Uchiyama; Masato Furuya; Tatsuru Kobayashi; Ryo Nishima; Motoshi Tohda; Yoshio Fukuzaki; Takeshi Makabe; Yasuo Ishizaka; Akihiro Hamaguchi


Archive | 1991

Method and apparatus for recording and reproducing main and sub information

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama


Archive | 1992

Recording medium and recording/reproduction apparatus thereof

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama


Archive | 1992

Recording medium and recording apparatus wherein voltage is applied only to peripheral edges of the recording medium

Itsuo Takanashi; Shintaro Nakagaki; Tsutou Asakura; Masato Furuya; Yoshihisa Koyama; Yuji Uchiyama

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