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Dive into the research topics where Masao Takuma is active.

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Featured researches published by Masao Takuma.


Archive | 1989

Image sensing apparatus having automatic iris function of automatically adjusting exposure in response to video signal

Toshinobu Haruki; Kenichi Kikuchi; Masao Takuma


Archive | 1990

Image sensing apparatus having automatic focusing function for automatically matching focus in response to video signal

Kenichi Kikuchi; Masao Takuma; Toshinobu Haruki


Archive | 1988

Automatic focusing apparatus having a variable focusing speed and particularly suited for use with interlaced scanning

Masaru Hidaka; Hirotsugu Murashima; Masao Takuma; Toshinobu Haruki; Kenichi Kikuchi


Archive | 1993

Video signal processing circuit for a video camera using a luminance signal

Haruhiko Murata; Yukio Mori; Akihiro Maenaka; Masao Takuma; Kiyotada Kawakami; Toru Asaeda; Toshiyuki Okino; Toshiya Iinuma; Akio Kobayashi; Toshinobu Haruki


Archive | 1993

Video camera circuit for processing image signals from an image pickup device having a mosaic color filter

Haruhiko Murata; Yukio Mori; Akihiro Maenaka; Masao Takuma; Kiyotada Kawakami; Toru Yamamoto; Toru Asaeda


Archive | 1992

Video signal processing circuit incorporated in a integrated circuit

Haruhiko Murata; Yukio Mori; Akihiro Maenaka; Masao Takuma; Kiyotada Kawakami; Tooru Yamamoto; Tooru Asaeda


Archive | 1994

Video signal processing circuit for a video camera having a recursive-type noise reducer

Haruhiko Murata; Yukio Mori; Akihiro Maenaka; Masao Takuma; Kiyotada Kawakami; Toru Asaeda; Toshiyuki Okino; Toshiya Iinuma; Akio Kobayashi; Toshinobu Haruki


Archive | 1993

Automatic focusing apparatus for automatically matching focus in response to video signal based on extracted high frequency component of non-linear processed luminance signal

Kiyotada Kawakami; Masao Takuma; Tooru Asaeda; Tooru Yamamoto; Haruhiko Murata


Archive | 1991

Integrated circuit for processing digital signals in video camera having electronic zooming function

Kiyotada Kawakami; Masao Takuma; Tooru Asaeda; Tooru Yamamoto; Haruhiko Murata; Hirotsugu Murashima; Tohru Watanabe; Masashi Honzawa; Keiichi Tanii


Archive | 1988

Image sensing apparatus having function of automatically matching focus and exposure in response to video signal

Masao Takuma; Kiyotada Kawakami

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