Patent US6128407A successfully refreshed from Google Patents.
US6128407A
Expired / Lapsed
US
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Image processing apparatus, image processing method, and image processing system
Assignee: Fujifilm Business Innovation Corp
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Filing: 1997-05-12
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Granted: 2000-10-03
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Expires: 2017-05-12
Abstract
Abstract An image processing apparatus is disclosed which comprises: means for inputting image data, color distribution recognition means for recognizing a color distribution in a color space and position information in an image space of the image data input through the input means, and means for determining one or more color reproduction parameters of the image data based on the color distribution and position information recognized by the color distribution recognition means and a color reproduction range of an output device.
Inventors
- 👤 Takahide Inoue
- 👤 Hitoshi Ogatsu
- 👤 Ryousuke Higashikata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:04
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6058; G; G06; G06T; G06T11/00; G06T11/10; G06T7/00; G06T7/90; G06T2207/00; G06T2207/10; G06T2207/10024
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
77 words
An image processing apparatus comprising: means for inputting image data, color distribution recognition means for recognizing a color distribution in a color space and position information in an image space of the image data input through said input means, and means for determining one or more color reproduction parameters of the image data based on the color distribution and position information recognized by said color distribution recognition means and a color reproduction range of an output device.
Claim 2
Dependent Claim
77 words
An image processing apparatus comprising: means for inputting image data, color distribution recognition means for recognizing a color distribution in a color space and position information in an image space of the image data input through said input means, and means for determining one or more color reproduction parameters of the image data based on the color distribution and position information recognized by said color distribution recognition means and a color reproduction range of an output device.
Claim 3
Dependent Claim
83 words
An image processing apparatus comprising: means for inputting image data, color distribution recognition means for recognizing a color distribution of the image data input through said input means, grouping means for grouping the color distribution recognized by said color distribution recognition means into one or more groups, and means for determining a color reproduction parameter of the image data based on the groups into which the color distribution is grouped by said grouping means and a color reproduction range of an output device.
Claim 4
Dependent Claim
83 words
An image processing apparatus comprising: means for inputting image data, color distribution recognition means for recognizing a color distribution of the image data input through said input means, grouping means for grouping the color distribution recognized by said color distribution recognition means into one or more groups, and means for determining a color reproduction parameter of the image data based on the groups into which the color distribution is grouped by said grouping means and a color reproduction range of an output device.
Claim 5
Dependent Claim
68 words
The image processing apparatus of claim 2, wherein said color distribution recognition means divides the color space into areas and counts the number of pixels belonging to each division area, and said grouping means determines whether or not adjacent areas can be combined based on the counts of the adjacent areas provided by said color distribution recognition means and groups the areas in response to the determination result.
Claim 6
Dependent Claim
77 words
The image processing apparatus of claim 2, wherein said color distribution recognition means divides the color space into areas, counts the number of pixels belonging to each division area, and recognizes pixel distribution information, and said grouping means determines whether or not adjacent areas can be combined based on the counts of the adjacent areas provided by said color distribution recognition means and the pixel distribution information, and groups the areas in response to the determination result.
Claim 7
Dependent Claim
30 words
The image processing apparatus of claim 2, wherein said grouping means groups the areas except for color distributions of portions where no degradation of color discrimination is assumed to occur.
Claim 8
Dependent Claim
44 words
The image processing apparatus of claim 2, wherein said color reproduction parameter determination means comprises: gradation determination means for determining spread magnitude of color change of the group for determining the color reproduction parameter based on the determination result of said gradation determination means.
Claim 9
Dependent Claim
53 words
The image processing apparatus of claim 2, wherein said color reproduction parameter determination means determines a color compression method and color compression strength for the group based on a distribution form of a portion where a color portion space on the color space contained in the group is outside the color reproduction range.
Claim 10
Dependent Claim
60 words
The image processing apparatus of claim 7, wherein the color space is an equal color space, and the distribution form is determined based on any one of spread in a lightness direction, spread in a hue direction, or spread in a chroma direction or combination thereof in the color portion space on the equal color space contained in the group.
Claim 11
Dependent Claim
60 words
The image processing apparatus of claim 2, wherein said color reproduction parameter determination means determines a color compression method and color compression strength for the group based on a distribution form of a portion where a color portion space on the color space contained in the group is outside the color reproduction range and a distribution form of the group.
Claim 12
Dependent Claim
56 words
The image processing apparatus of claim 2, wherein said color reproduction parameter determination means prepares one or more conversion parameters of a first equal color space to a second equal color space and one or more pieces of position mask information each indicating a position on the image space to which the conversion parameter is applied.
Claim 13
Dependent Claim
32 words
The image processing apparatus of claim 2, wherein said color reproduction parameter determination means generates a group into which the groups are collected, and determines the color reproduction parameter for the group.
Claim 14
Dependent Claim
101 words
An image processing apparatus comprising: means for inputting image data, color distribution recognition means for recognizing a color distribution in a color space and position information in an image space of the image data input through said input means, grouping means for grouping the color distribution into one or more groups based on the position information recognized by said color distribution recognition means, and means for determining one or more color reproduction parameters of the image data based on the groups into which the color distribution is grouped by said grouping means and a color reproduction range of an output device.
Claim 15
Dependent Claim
101 words
An image processing apparatus comprising: means for inputting image data, color distribution recognition means for recognizing a color distribution in a color space and position information in an image space of the image data input through said input means, grouping means for grouping the color distribution into one or more groups based on the position information recognized by said color distribution recognition means, and means for determining one or more color reproduction parameters of the image data based on the groups into which the color distribution is grouped by said grouping means and a color reproduction range of an output device.
Claim 16
Dependent Claim
92 words
The image processing apparatus of claim 12, wherein said color distribution recognition means divides the color space into areas, counts the number of pixels belonging to each division area, and relates position information of pixels belonging to each area, and said grouping means determines whether or not adjacent areas can be combined based on the counts of the adjacent areas provided by said color distribution recognition means, determines positions of the pixels belonging to the adjacent areas, and groups the areas on the color space in response to the two determination results.
Claim 17
Dependent Claim
61 words
The image processing apparatus of claim 12, wherein said color reproduction parameter determination means generates a group into which the groups are collected, and determines a conversion parameter of a first equal color space to a second equal color space and position mask information indicating a position on the image space to which the conversion parameter is applied for the group.
Claim 18
Dependent Claim
56 words
An image processing method comprising the steps of: recognizing a color distribution in a color space and position information in an image space of input image data, and determining one or more color reproduction parameters of the image data based on the color distribution, the position information, and a color reproduction range of an output device.
Claim 19
Dependent Claim
56 words
An image processing method comprising the steps of: recognizing a color distribution in a color space and position information in an image space of input image data, and determining one or more color reproduction parameters of the image data based on the color distribution, the position information, and a color reproduction range of an output device.
Claim 20
Dependent Claim
57 words
The image processing method of claim 15, wherein said color reproduction parameter determination step includes: preparing one or more conversion parameters of a first equal color space to a second equal color space and one or more pieces of position mask information each indicating a position on the image space to which the conversion parameter is applied.
Claim 21
Dependent Claim
49 words
An image processing method comprising the steps of: recognizing a color distribution of input image data, grouping the recognized color distribution into one or more groups, and determining a color reproduction parameter of the image data based on the groups and a color reproduction range of an output device.
Claim 22
Dependent Claim
49 words
An image processing method comprising the steps of: recognizing a color distribution of input image data, grouping the recognized color distribution into one or more groups, and determining a color reproduction parameter of the image data based on the groups and a color reproduction range of an output device.
Claim 23
Dependent Claim
68 words
The image processing method of claim 17, wherein said color distribution recognition step divides the color space into areas, and counts the number of pixels belonging to each division area, and said grouping step determines whether or not adjacent areas can be combined based on the counts of the adjacent areas provided by said color distribution recognition step, and groups the areas in response to the determination result.
Claim 24
Dependent Claim
77 words
The image processing method of claim 17, wherein said color distribution recognition step divides the color space into areas, counts the number of pixels belonging to each division area, and recognizes pixel distribution information, and said grouping step determines whether or not adjacent areas can be combined based on the counts of the adjacent areas provided by said color distribution recognition step and the pixel distribution information, and groups the areas in response to the determination result.
Claim 25
Dependent Claim
30 words
The image processing method of claim 17, wherein said grouping step groups the areas except for color distributions of portions where no degradation of color discrimination is assumed to occur.
Claim 26
Dependent Claim
54 words
The image processing method of claim 17, wherein said color reproduction parameter determination step includes: determining a color compression method and color compression strength for the group based on a distribution form of a portion where a color portion space on the color space contained in the group is outside the color reproduction range.
Claim 27
Dependent Claim
61 words
The image processing method of claim 17, wherein said color reproduction parameter determination step includes: determining a color compression method and color compression strength for the group based on a distribution form of a portion where a color portion space on the color space contained in the group is outside the color reproduction range and a distribution form of the group.
Claim 28
Dependent Claim
67 words
An image processing method comprising the steps of: recognizing a color distribution in a color space and position information in an image space of input image data, grouping the color distribution into one or more groups based on the recognized position information, and determining one or more color reproduction parameters of the image data based on the groups and a color reproduction range of an output device.
Claim 29
Dependent Claim
67 words
An image processing method comprising the steps of: recognizing a color distribution in a color space and position information in an image space of input image data, grouping the color distribution into one or more groups based on the recognized position information, and determining one or more color reproduction parameters of the image data based on the groups and a color reproduction range of an output device.
Claim 30
Dependent Claim
65 words
An image processing method comprising the steps of: extracting areas on an image space made up of similar color pixels based on input image data and preparing clusters, recognizing color distributions of the clusters and preparing a group, and determining one or more color reproduction parameters of the image data based on the clusters, the group, and a color reproduction range of an output device.
Claim 31
Dependent Claim
65 words
An image processing method comprising the steps of: extracting areas on an image space made up of similar color pixels based on input image data and preparing clusters, recognizing color distributions of the clusters and preparing a group, and determining one or more color reproduction parameters of the image data based on the clusters, the group, and a color reproduction range of an output device.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-10-03 | 2004-04-03 | 2004-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-10-03 | 2008-04-03 | 2008-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-10-03 | 2012-04-03 | 2012-10-03 | $7700.00 | Window Closed / Lapsed |