US6567543B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image processing apparatus, image processing method, storage medium for storing image processing method, and environment light measurement apparatus
Assignee: Canon Inc
•
Filing: 1997-09-30
•
Granted: 2003-05-20
•
Expires: 2017-09-30
Abstract
Abstract An image processor performs color correction corresponding to an environment light. An input device inputs white information of a recording medium and environment light information, and a correction device performs correction corresponding to a fluorescent whitening effect, for the white information of the recording medium on the basis of the environment light information. A color correction device performs color correction for an input color image information on the basis of the corrected white information of the recording medium.
Inventors
- 👤 Yoshinobu Shiraiwa
- 👤 Toshiyuki Mizuno
- 👤 Yumiko Hidaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:49
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6097; H04N1/6083; H04N1/6088; H04N23/00; H04N23/80; H04N23/84; H04N23/88; G; G09; G09G; G09G2320/00; G09G2320/06; G09G2320/0626; G09G2320/0666; G09G2360/00; G09G2360/14; G09G2360/144
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
113 words
An image processing apparatus for performing color correction corresponding to environment light, said apparatus comprising: an input unit adapted to input ultraviolet-range intensity information of the environment light and visible-range intensity information of the environment light and information of a recording medium; an obtaining unit adapted to obtain standard white data that is a standard when observing an output image from the ultraviolet-range intensity information of the environment light and the visible-range intensity of the environment light and the recording medium information; and a color correction unit adapted to perform color correction corresponding to a fluorescent whitening effect based on the recording medium and the environment light by using the standard white data.
Claim 2
Dependent Claim
113 words
An image processing apparatus for performing color correction corresponding to environment light, said apparatus comprising: an input unit adapted to input ultraviolet-range intensity information of the environment light and visible-range intensity information of the environment light and information of a recording medium; an obtaining unit adapted to obtain standard white data that is a standard when observing an output image from the ultraviolet-range intensity information of the environment light and the visible-range intensity of the environment light and the recording medium information; and a color correction unit adapted to perform color correction corresponding to a fluorescent whitening effect based on the recording medium and the environment light by using the standard white data.
Claim 3
Dependent Claim
31 words
An apparatus according to claim 1 , wherein the recording medium information is white information of the recording medium and wherein said color correction unit performs a color adaptation conversion process.
Claim 4
Dependent Claim
58 words
An apparatus according to claim 1 , further comprising: a generating unit adapted to perform a conversion process by using a profile corresponding to an input device and generating color image data not dependent on the input device, wherein said color correction unit performs the color correction for the color image data not dependent on the input device.
Claim 5
Dependent Claim
42 words
An apparatus according to claim 1 , further comprising: an environment light detection unit including a light reception unit adapted to measure the ultraviolet-range illumination intensity of the environment light and a light reception unit adapted to measure the visible-range illumination intensity.
Claim 6
Dependent Claim
110 words
An image processing method of performing color correction corresponding to environment light, said method comprising: an input step, of inputting ultraviolet-range intensity information of the environment light and visible-range intensity information of the environment light and information of a recording medium; an obtaining step, of obtaining standard white data that is a standard when observing an output image from the ultraviolet-range intensity information of the environment light and the visible-range intensity of the environment light and the recording medium information; and a color correction step, of performing color correction corresponding to a fluorescent whitening effect based on the recording medium and the environment light by using the standard white data.
Claim 7
Dependent Claim
110 words
An image processing method of performing color correction corresponding to environment light, said method comprising: an input step, of inputting ultraviolet-range intensity information of the environment light and visible-range intensity information of the environment light and information of a recording medium; an obtaining step, of obtaining standard white data that is a standard when observing an output image from the ultraviolet-range intensity information of the environment light and the visible-range intensity of the environment light and the recording medium information; and a color correction step, of performing color correction corresponding to a fluorescent whitening effect based on the recording medium and the environment light by using the standard white data.
Claim 8
Dependent Claim
31 words
A method according to claim 5 , wherein the recording medium information is white information of the recording medium and wherein said color correction step performs a color adaptation conversion process.
Claim 9
Dependent Claim
57 words
A method according to claim 5 , further comprising: a generation step of performing a conversion process by using a profile corresponding to an input device and generating color image data not dependent on the input device, wherein said color correction step performs the color correction for the color image data not dependent on the input device.
Claim 10
Dependent Claim
121 words
A computer readable medium having recorded thereon codes for implementing a computer implementable method of image processing for performing color correction corresponding to environment light, comprising: an input step, of inputting ultraviolet-range intensity information of the environment light and visible-range intensity information of the environment light and information of a recording medium; an obtaining step, of obtaining standard white data that is a standard when observing an output image from the ultraviolet-range intensity information of the environment light and the visible-range intensity of the environment light and the recording medium information; and a color correction step, of performing color correction corresponding to a fluorescent whitening effect based on the recording medium and the environment light by using the standard white data.
Claim 11
Dependent Claim
121 words
A computer readable medium having recorded thereon codes for implementing a computer implementable method of image processing for performing color correction corresponding to environment light, comprising: an input step, of inputting ultraviolet-range intensity information of the environment light and visible-range intensity information of the environment light and information of a recording medium; an obtaining step, of obtaining standard white data that is a standard when observing an output image from the ultraviolet-range intensity information of the environment light and the visible-range intensity of the environment light and the recording medium information; and a color correction step, of performing color correction corresponding to a fluorescent whitening effect based on the recording medium and the environment light by using the standard white data.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-05-19 | 2006-11-18 | 2007-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-05-19 | 2010-11-18 | 2011-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-05-19 | 2014-11-18 | 2015-05-20 | $7700.00 | Window Closed / Lapsed |