Title:
【発明の名称】カラー画像処理装置
Document Type and Number:
Japanese Patent JP3048158
Kind Code:
B2
Abstract:
A color image processing apparatus which judges a saturation of an input color image, and performs image processing in accordance with the saturation judgement result, includes an image input means in which a plurality of line sensors for generating color component signals on the basis of different spectral characteristics are parallelly arranged, and means for judging an achromatic area of the color component signals input by the image input means in accordance with a predetermined method. This arrangement performs saturation judgement when a printing operation using only black is performed for a black character or when it is judged whether an original document is a monochrome or color original document.
Inventors:
Yoichi Takaraki
Masahiro Funada
Masahiro Funada
Application Number:
JP18919689A
Publication Date:
June 05, 2000
Filing Date:
July 21, 1989
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N9/79; G06T1/00; G06T7/00; H04N1/04; H04N1/46; H04N1/48; H04N1/56; H04N1/60; (IPC1-7): H04N1/60; G06T1/00; G06T7/00; H04N1/04; H04N1/46; H04N9/79
Domestic Patent References:
| JP6118261A | ||||
| JP63169172A | ||||
| JP62150967A | ||||
| JP62169581A | ||||
| JP62186653A | ||||
| JP62245778A | ||||
| JP62103376U |
Attorney, Agent or Firm:
Giichi Marushima