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Patent Searching and Data


Title:
【発明の名称】静止画像圧縮処理装置及び方法
Document Type and Number:
Japanese Patent JP2821489
Kind Code:
B2
Abstract:
Transforms such as the DCT are useful for image compression. One close relative of the DCT is preferred for its arithmetic simplicity. A method is described whereby the image compression is done with no multiplications. Other enhancements are made to improve image quality.

Inventors:
James Dee Allen
Steve M. Bronstein
Application Number:
JP32876290A
Publication Date:
November 05, 1998
Filing Date:
November 28, 1990
Export Citation:
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Assignee:
株式会社リコー
リコー コーポレーション
International Classes:
H04N1/41; G06F7/78; G06F17/14; G06T9/00; G11C8/12; G11C19/00; H04N7/26; H04N7/30; H04N11/04; (IPC1-7): H04N1/41; G06F17/14; H04N7/30
Domestic Patent References:
JP57152787A
Attorney, Agent or Firm:
Makoto Suzuki