US5786906A
Expired / Lapsed
US
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Method and apparatus for processing image
Assignee: Canon Inc
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Filing: 1994-08-18
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Granted: 1998-07-28
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Expires: 2014-08-18
Abstract
Abstract This invention relates to a method and apparatus for processing an image and particularly a method and apparatus for providing a function of automatically judging whether an input image is a color or monochrome image. This invention discloses various arrangements for preventing errors in the above judgement.
Inventors
- 👤 Junichi Shishizuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:41
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/58; G; G06; G06T; G06T7/00; G06T7/90; G06T2207/00; G06T2207/10; G06T2207/10004; G06T2207/10008; G06T2207/10024; G06T2207/30; G06T2207/30176
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
63 words
An image processing apparatus comprising: a) first judging means for performing a color/monochrome judgment in accordance with an input color signal representing a pixel; b) second judging means for performing a color/monochrome judgment of one-frame input color signals representing an original composed of a plurality of pixels; c) control means for excluding a predetermined color from judgment objects of said second judging means.
Claim 2
Dependent Claim
63 words
An image processing apparatus comprising: a) first judging means for performing a color/monochrome judgment in accordance with an input color signal representing a pixel; b) second judging means for performing a color/monochrome judgment of one-frame input color signals representing an original composed of a plurality of pixels; c) control means for excluding a predetermined color from judgment objects of said second judging means.
Claim 3
Dependent Claim
24 words
An apparatus according to claim 1, further comprising means for correcting a judgment result of said first judging means with reference to neighboring pixels.
Claim 4
Dependent Claim
26 words
An apparatus according to claim 1, further comprising means for processing the input color signal in accordance with the judgment result of said second judging means.
Claim 5
Dependent Claim
15 words
An apparatus according to claim 1, further comprising designating means for designating the predetermined color.
Claim 6
Dependent Claim
52 words
An image processing apparatus comprising: a) judging means for performing a color/monochrome judgment of an input color signal; b) processing means for changing a magnification of an image represented by the input color signal; and c) control means for changing a judgment parameter of said judging means in accordance with the magnification.
Claim 7
Dependent Claim
52 words
An image processing apparatus comprising: a) judging means for performing a color/monochrome judgment of an input color signal; b) processing means for changing a magnification of an image represented by the input color signal; and c) control means for changing a judgment parameter of said judging means in accordance with the magnification.
Claim 8
Dependent Claim
23 words
An apparatus according to claim 5, further comprising means for correcting a judgment result of said judging means with reference to neighboring pixels.
Claim 9
Dependent Claim
28 words
An apparatus according to claim 5, further comprising means for performing monochrome/color judgment of an original represented by the input color signal, in accordance with the judgment result.
Claim 10
Dependent Claim
21 words
An apparatus according to claim 7, further comprising means for processing the input color signal in accordance with the judgment result.
Claim 11
Dependent Claim
46 words
An image processing apparatus comprising: a) judging means for performing a color/monochrome judgment of an input color signal; and b) control means for controlling a judgment reference of said judging means in accordance with a number of intermediate saturation pixels included in the input color signal.
Claim 12
Dependent Claim
46 words
An image processing apparatus comprising: a) judging means for performing a color/monochrome judgment of an input color signal; and b) control means for controlling a judgment reference of said judging means in accordance with a number of intermediate saturation pixels included in the input color signal.
Claim 13
Dependent Claim
23 words
An apparatus according to claim 9, further comprising means for correcting a judgment result of said judging means with reference to neighboring pixels.
Claim 14
Dependent Claim
28 words
An apparatus according to claim 9, further comprising means for performing monochrome/color judgment of an original represented by the input color signal, in accordance with the judgment result.
Claim 15
Dependent Claim
21 words
An apparatus according to claim 11, further comprising means for processing the input color signal in accordance with the judgment result.
Claim 16
Dependent Claim
66 words
An image processing method comprising: a) a first judging step of performing a color/monochrome judgment in accordance with an input color signal representing a pixel; b) a second judging step of performing a color/monochrome judgment of one-frame input color signals representing an original composed of a plurality of pixels; c) a control step of excluding a predetermined color from judgment objects of said second judging step.
Claim 17
Dependent Claim
66 words
An image processing method comprising: a) a first judging step of performing a color/monochrome judgment in accordance with an input color signal representing a pixel; b) a second judging step of performing a color/monochrome judgment of one-frame input color signals representing an original composed of a plurality of pixels; c) a control step of excluding a predetermined color from judgment objects of said second judging step.
Claim 18
Dependent Claim
26 words
A method according to claim 13, further comprising a correcting step of correcting a judgment result of said first judging step with reference to neighboring pixels.
Claim 19
Dependent Claim
28 words
A method according to claim 13, further comprising a processing step of processing the input color signal in accordance with the judgment result of said second judging step.
Claim 20
Dependent Claim
16 words
A method according to claim 13, further comprising a designating step of designating the predetermined color.
Claim 21
Dependent Claim
55 words
An image processing method comprising: a) a judging step of performing a color/monochrome judgment of an input color signal; b) a processing step of changing a magnification of an image represented by the input color signal; and c) a control step of changing a judgment parameter of said judging step in accordance with the magnification.
Claim 22
Dependent Claim
55 words
An image processing method comprising: a) a judging step of performing a color/monochrome judgment of an input color signal; b) a processing step of changing a magnification of an image represented by the input color signal; and c) a control step of changing a judgment parameter of said judging step in accordance with the magnification.
Claim 23
Dependent Claim
25 words
A method according to claim 17, further comprising a correcting step of correcting a judgment result of said judging step with reference to neighboring pixels.
Claim 24
Dependent Claim
31 words
A method according to claim 17, further comprising a performing step of performing a monochrome/color judgment of an original represented by the input color signal, in accordance with the judgment result.
Claim 25
Dependent Claim
23 words
A method according to claim 19, further comprising a processing step of processing the input color signal in accordance with the judgment result.
Claim 26
Dependent Claim
47 words
An image processing method comprising: a) a judging step of performing chromatic/achromatic judgment of an input color signal; and b) a control step of controlling a judgment reference of said judging step in accordance with a number of intermediate saturation pixels included in the input color signal.
Claim 27
Dependent Claim
47 words
An image processing method comprising: a) a judging step of performing chromatic/achromatic judgment of an input color signal; and b) a control step of controlling a judgment reference of said judging step in accordance with a number of intermediate saturation pixels included in the input color signal.
Claim 28
Dependent Claim
25 words
A method according to claim 21, further comprising a correcting step of correcting a judgment result of said judging step with reference to neighboring pixels.
Claim 29
Dependent Claim
31 words
A method according to claim 21, further comprising a performing step of performing a monochrome/color judgment of an original represented by the input color signal, in accordance with the judgment result.
Claim 30
Dependent Claim
23 words
A method according to claim 23, further comprising a processing step of processing the input color signal in accordance with the judgment result.
References Cited (Backward Citations)
US4476486A
Cited
US4953012A
Cited
US4739397A
Cited
US4879595A
Cited
US4831434A
Cited
EP0313794A2
Cited
US4975768A
Cited
US4930021A
Cited
JPH01241978A
Cited
EP0363146A2
Cited
US5128748A
Cited
US5109274A
Cited
US5136401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-07-27 | 2002-01-26 | 2002-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-07-27 | 2006-01-26 | 2006-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-07-27 | 2010-01-26 | 2010-07-28 | $7700.00 | Window Closed / Lapsed |