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Dive into the research topics where Naoji Okumura is active.

Publication


Featured researches published by Naoji Okumura.


Archive | 1999

Video display apparatus with scan conversion and reversion and a video display method using scan conversion and reversion

Yutaka Nio; Naoji Okumura; Katsumi Terai; Kazuto Tanaka; Satoshi Okamoto; Masaaki Fujita; Minoru Miyata


Archive | 1999

Block noise detector and block noise eliminator

Yutaka Nio; Satoshi Okamoto; Katsumi Terai; Naoji Okumura; Kazuhito Tanaka


Archive | 1995

Apparatus for distinguishing between a plurality of video signal types, apparatus for automatic aspect ratio determination and television receiver

Masahiro Tani; Naoji Okumura; Atsuhisa Kageyama


Archive | 1992

Intensity correction device for providing a correction signal for automatically correcting an intensity of a video signal

Yosuke Izawa; Naoji Okumura


Archive | 1993

Gradation correcting apparatus for correcting gradation of video signals

Yosuke Izawa; Naoji Okumura


Archive | 1993

Picture quality improving circuit using a cumulative histogram

Hirohiko Sakashita; Naoji Okumura


Archive | 1988

Projection screen device

Tsutomu Nishida; Kazumi Kawashima; Kazuyasu Yamamoto; Naoki Shintani; Naoji Okumura; Yasuaki Sakanishi


Archive | 2000

Noise detector, noise detection method, signal processor and signal processing method

Yutaka Nio; Katsumi Terai; Naoji Okumura; Kazuto Tanaka


Archive | 1992

Gradation compensation apparatus of video image

Yosuke Izawa; Naoji Okumura


Archive | 1992

Jitter correction circuit for reducing jitter components of a luminance signal in video information compression

Yasuaki Uehara; Naoji Okumura

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