EP0400991A2
Expired / Lapsed
EP
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Color image processing apparatus
Assignee: Canon Inc
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Filing: 1990-05-30
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Granted: —
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Expires: 2010-05-30
Abstract
Abstract There is disclosed a color image processing apparatus which corrects a color balance of image information consisting of a plurality of sheets, can perform natural correction using membership functions on the basis of characteristics obtained by an average value and white levels of the plurality of sheets, and can independently adjust color balances of the plurality of sheets.
Inventors
- 👤 Tetsuya C/O Canon Kabushiki Kaisha Ohnishi
- 👤 Masanori C/O Canon Kabushiki Kaisha Sakai
- 👤 Toshihiro C/O Canon Kabushiki Kaisha Kadowaki
- 👤 Naoto C/O Canon Kabushiki Kaisha Arakawa
- 👤 Akihiro C/O Canon Kabushiki Kaisha Usami
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 00:13
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6077; H01; H01R; H01R13/00; H01R13/40; H01R13/42; H01R13/422; H01R13/4223
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
56 words
A color image processing apparatus comprising: a) detection means for detecting a color balance of a color image as a combination of a plurality of sheets stored in memory means; and b) control means for controlling a color balance of said plurality of sheets on the basis of the color balance detected by said detection means.
Claim 2
Dependent Claim
56 words
A color image processing apparatus comprising: a) detection means for detecting a color balance of a color image as a combination of a plurality of sheets stored in memory means; and b) control means for controlling a color balance of said plurality of sheets on the basis of the color balance detected by said detection means.
Claim 3
Dependent Claim
21 words
An apparatus according to claim 1, further comprising: c) said memory means for storing a plurality of sheets of image information.
Claim 4
Dependent Claim
21 words
An apparatus according to claim 1, wherein said detection means detects an average of color balances of said plurality of sheets.
Claim 5
Dependent Claim
29 words
An apparatus according to claim 1. further comprising: a color printer for simultaneously forming images of the plurality of sheets whose color balances are controlled by said control means.
Claim 6
Dependent Claim
24 words
An apparatus according to claim 2. further comprising: d) reproducing means for reproducing said plurality of sheets of image information from a recording medium.
Claim 7
Dependent Claim
27 words
An apparatus according to claim 1. further comprising: means for causing a monitor to display images corresponding to the plurality of sheets stored in said memory means.
Claim 8
Dependent Claim
15 words
An apparatus according to claim 4, wherein said color printer comprises a frame-sequential color printer.
Claim 9
Dependent Claim
45 words
A color image processing apparatus comprising: a) memory means for storing a plurality of sheets of color image information; and b) instruction means for generating an instruction for performing color correction of respective color images of the plurality of sheets stored in said memory means.
Claim 10
Dependent Claim
45 words
A color image processing apparatus comprising: a) memory means for storing a plurality of sheets of color image information; and b) instruction means for generating an instruction for performing color correction of respective color images of the plurality of sheets stored in said memory means.
Claim 11
Dependent Claim
14 words
An apparatus according to claim 8, wherein said memory means comprises a semiconductor memory.
Claim 12
Dependent Claim
42 words
An apparatus according to claim 8, wherein said instruction means includes: A) selection means for selecting a desired sheet from said plurality of sheets; and B) adjusting means for adjusting a color correction state of the sheet selected by said selection means.
Claim 13
Dependent Claim
16 words
An apparatus according to claim 8, wherein said instruction means includes a liquid crystal touch panel.
Claim 14
Dependent Claim
22 words
An apparatus according to claim 10, wherein said adjusting means adjusts a balance in units of color components of said color image.
Claim 15
Dependent Claim
19 words
An apparatus according to claim 8, further comprising: selection means for selecting a source of said plurality of sheets.
Claim 16
Dependent Claim
24 words
An apparatus according to claim 8, further comprising: color correction means for performing color correction according to the instruction generated by said instruction means.
Claim 17
Dependent Claim
24 words
An apparatus according to claim 8, further comprising: C) conversion means 'for reading an objective image and converting the objective image into image information.
Claim 18
Dependent Claim
14 words
An apparatus according to claim 15, wherein said conversion means comprises a color scanner.
Claim 19
Dependent Claim
50 words
An image processing apparatus comprising: a) means for supplying color images of a plurality of sheets to be combined; and b) means for adjusting color balances of the plurality of sheets supplied from said supply means using membership functions having characteristics of said plurality of sheets of images as parameters.
Claim 20
Dependent Claim
50 words
An image processing apparatus comprising: a) means for supplying color images of a plurality of sheets to be combined; and b) means for adjusting color balances of the plurality of sheets supplied from said supply means using membership functions having characteristics of said plurality of sheets of images as parameters.
Claim 21
Dependent Claim
31 words
An apparatus according to claim 17, wherein the characteristics of said plurality of sheets of images include an average value and white levels of image signals of said plurality of sheets.
Claim 22
Dependent Claim
21 words
An apparatus according to claim 17, further comprising: c) said memory means for storing a plurality of sheets of image information.
Claim 23
Dependent Claim
29 words
An apparatus according to claim 17, further comprising: a color printer for simultaneously forming images of the plurality of sheets whose color balances are controlled by said control means.
Claim 24
Dependent Claim
24 words
An apparatus according to claim 17, further comprising: d) reproducing means for reproducing said plurality of sheets of image information from a recording medium.
Claim 25
Dependent Claim
27 words
An apparatus according to claim 19, further comprising: means for causing a monitor to display images corresponding to the plurality of sheets stored in said memory means.
Claim 26
Independent Claim
36 words
A method of color image processing wherein: color balance is measured for a plurality of images; an average color balance is determined; and image color balance is adjusted in accordance with the average color balance determined.
Claim 27
Independent Claim
36 words
A method of color image processing wherein: color balance is measured for a plurality of images; an average color balance is determined; and image color balance is adjusted in accordance with the average color balance determined.
References Cited (Backward Citations)
No citation records indexed.
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