EP0488176A2
Expired / Lapsed
EP
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Color image processing apparatus
Assignee: Canon Inc
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Filing: 1991-11-26
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Granted: —
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Expires: 2011-11-26
Abstract
Abstract A color image processing apparatus comprises storing means for storing input image data for one frame, and discrimination means for analyzing the color image data stored in the storing means in order to discriminate a type of the color image data using a membership function.
Inventors
- 👤 Akihiro Usami
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 12:43
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6094
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
45 words
A color image processing apparatus comprising: storing means for storing input image data for one frame; and discrimination means for analyzing the color image data stored in said storing means, so as to discriminate a type of said color image data using a membership function.
Claim 2
Dependent Claim
25 words
An apparatus according to claim 1, further comprising: correction means for correcting said color image data according to a discrimination result of said discrimination means.
Claim 3
Dependent Claim
16 words
An apparatus according to claim 1, wherein said correction means comprises means for performing color correction.
Claim 4
Dependent Claim
33 words
An apparatus according to claim 1, wherein said membership function is a function indicating a region which includes input color image data when a color space is divided into a plurality of regions.
Claim 5
Dependent Claim
26 words
An apparatus according to claim 2, further comprising: means for outputting the color image data corrected by said correction means to a color image recording device.
Claim 6
Dependent Claim
16 words
An apparatus according to claim 2, wherein said color image recording device comprises an electrophotographic printer.
Claim 7
Dependent Claim
16 words
An apparatus according to claim 2, wherein said color image recording device comprises an ink-jet printer.
Claim 8
Dependent Claim
22 words
An apparatus according to claim 7, wherein said color image recording device comprises a printer for discharging an ink by film boiling.
Claim 9
Dependent Claim
23 words
An apparatus according to claim 1, wherein said discrimination means discriminates whether or not the color image data is a computer graphic image.
Claim 10
Dependent Claim
49 words
A color image processing apparatus for processing color image data input from an electronic equipment into data for a color recording device, comprising: discrimination means for discriminating a type of color image input from said electronic equipment; and means for controlling color correction processing according to the discriminated type.
Claim 11
Dependent Claim
28 words
An apparatus according to claim 10, wherein said discrimination means comprises means for sampling the image data temporarily stored in a storage device, and discriminating a color distribution.
Claim 12
Dependent Claim
28 words
An apparatus according to claim 10, wherein said discrimination means comprises means for discriminating whether or not the type of input color image is a computer graphic image.
Claim 13
Dependent Claim
34 words
An apparatus according to claim 10, wherein said discrimination means discriminates whether the type of input color image is a color image of a negative film or a color image of a positive film.
Claim 14
Dependent Claim
22 words
An apparatus according to claim 10, further comprising: means for storing color image data for one frame input from said electronic equipment.
Claim 15
Dependent Claim
22 words
An apparatus according to claim 10, wherein said discrimination means discriminates the type of said color image data using a membership function.
Claim 16
Dependent Claim
41 words
A color image processing apparatus comprising: input means for inputting color image data; and means for discriminating, using a membership function, whether the color image data input from said input means is a negative color image or a positive color image.
Claim 17
Dependent Claim
25 words
An apparatus according to claim 16, further comprising: correction means for correcting said color image data according to a discrimination result of said discrimination means.
Claim 18
Dependent Claim
16 words
An apparatus according to claim 17, wherein said correction means comprises means for performing color correction.
Claim 19
Dependent Claim
33 words
An apparatus according to claim 16, wherein said membership function is a function indicating a region which includes input color image data when a color space is divided into a plurality of regions.
Claim 20
Dependent Claim
26 words
An apparatus according to claim 17, further comprising: means for outputting the color image data corrected by said correction means to a color image recording device.
References Cited (Backward Citations)
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