US5021876A
Expired / Lapsed
US
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Image processing apparatus with real-time texture processing
Assignee: Canon Inc
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Filing: 1990-09-18
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Granted: 1991-06-04
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Expires: 2010-09-18
Abstract
Abstract There is provided an image processing apparatus for modulating a concentration of input image data, comprising: an inputting device to input image data; a RAM to store first image data input by the inputting device; a processing unit to execute a modulating process to at least one area such as a non-rectangular area in second image data input by the inputting device by using the first image data stored in the RAM; and a detector to detect a predetermined color of the second image data. The area is specified by the color detected by the detector. The inputting device includes a CCD for reading an original and generating RGB color component signals. With this apparatus, a texture process is executed to at least one non-rectangular area and the result can be output in a real-time manner.
Inventors
- 👤 Mitsuru Kurita
- 👤 Yoshinori Ikeda
- 👤 Yasumichi Suzuki
- 👤 Koichi Katoh
- 👤 Hiroyuki Ichikawa
- 👤 Toshiyuki Kitamura
- 👤 Toshihiro Kadowaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:53
CPC Classifications
G; G06; G06T; G06T11/00; G06T11/10
Claims Analysis
Total Claims: 84
Claim 1
Independent Claim
65 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data which is input by said inputting means; area designating means for designating an area; and processing means for executing a modulating process on said area of second image data which is input by said inputting means, by using the first image data stored in said memory means.
Claim 2
Dependent Claim
65 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data which is input by said inputting means; area designating means for designating an area; and processing means for executing a modulating process on said area of second image data which is input by said inputting means, by using the first image data stored in said memory means.
Claim 3
Dependent Claim
13 words
An apparatus according to claim 1, wherein said area is a non-rectangular area.
Claim 4
Dependent Claim
33 words
An apparatus according to claim 1, further comprising means for detecting a predetermined color of said second image data, and wherein said area is specified by the color detected by said detecting means.
Claim 5
Dependent Claim
32 words
An apparatus according to claim 1, wherein said inputting means includes a charge-coupled device (CCD) for reading an original and generating color component signals of R (red), G (green), and B (blue).
Claim 6
Dependent Claim
16 words
An apparatus according to claim 1, wherein said memory means is a random access memory (RAM).
Claim 7
Dependent Claim
29 words
An appratus according to claim 1, wherein said processing means includes modulating means for multiplying the first image data stored in the memory means by the second image data.
Claim 8
Dependent Claim
14 words
An apparatus according to claim 1, wherein said first image data is concentration data.
Claim 9
Dependent Claim
18 words
An apparatus according to claim 1, further comprising variably magnifying means for variably magnifying the first image data.
Claim 10
Dependent Claim
26 words
An apparatus according to claim 8, wherein said variably magnifying means executes a variable magnification by using address control of said memory means by a counter.
Claim 11
Dependent Claim
20 words
An apparatus according to claim 1, further comprising means for selecting said inputting means for inputting the first image data.
Claim 12
Dependent Claim
32 words
An apparatus according to claim 10, wherein said inputting means for inputting the first image data is either image reading means including a charge-coupled device (CCD) or a central processing unit (CPU).
Claim 13
Dependent Claim
30 words
An apparatus according to claim 10, wherein either one of address control signals of said plurality of memory means is selected in accordance with the selection by said selecting means.
Claim 14
Dependent Claim
38 words
An apparatus according to claim 12, wherein said address control signal is either an address control signal which is generated on the basis of a counter output or an address control signal of a central processing unit (CPU).
Claim 15
Dependent Claim
55 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data which is input by said inputting means; and processing means for variably magnifying the first image data stored in said memory means and modulating a concentration of second image data which is input by said inputting means.
Claim 16
Dependent Claim
55 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data which is input by said inputting means; and processing means for variably magnifying the first image data stored in said memory means and modulating a concentration of second image data which is input by said inputting means.
Claim 17
Dependent Claim
26 words
An apparatus according to claim 14, wherein said processing means variably magnifies the first image data by address control of said memory means by a counter.
Claim 18
Dependent Claim
26 words
An apparatus according to claim 14, further comprising area designating means for designating at least one area to be modulation processed in the second image data.
Claim 19
Dependent Claim
13 words
An apparatus according to claim 16, wherein said area is a non-rectangular area.
Claim 20
Dependent Claim
33 words
An apparatus according to claim 16, further comprising means for detecting a predetermined color of said second image data, and wherein said area is specified by the color detected by said detecting means.
Claim 21
Dependent Claim
32 words
An apparatus according to claim 14, wherein said inputting means includes a charge-coupled device (CCD) for reading an original and generating color component signals of R (red), G (green), and B (blue).
Claim 22
Dependent Claim
16 words
An apparatus according to claim 14, wherein said memory means is a random access memory (RAM).
Claim 23
Dependent Claim
29 words
An apparatus according to claim 14, wherein said processing means includes modulating means for multiplying the first image data stored in the memory means by the second image data.
Claim 24
Dependent Claim
20 words
An apparatus according to claim 14, further comprising means for selecting said inputting means for inputting the first image data.
Claim 25
Dependent Claim
32 words
An apparatus according to claim 22, wherein the inputting means for inputting the first image data is either image reading means including a charge-coupled device (CCD) or a central processing unit (CPU).
Claim 26
Dependent Claim
30 words
An apparatus according to claim 22, wherein either one of address control signals of said plurality of memory means is selected in accordance with the selection by said selecting means.
Claim 27
Dependent Claim
38 words
An apparatus according to claim 24, wherein said address control signal is either an address control signal which is generated on the basis of a counter output or an address control signal of a central processing unit (CPU).
Claim 28
Dependent Claim
14 words
An apparatus according to claim 14, wherein said first image data is concentration data.
Claim 29
Dependent Claim
58 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data input by said inputting means; filtering processing means for executing a filtering process on the first image data; and modulating means for modulating second image data input by said inputting means by using an output of said filtering processing means.
Claim 30
Dependent Claim
58 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data input by said inputting means; filtering processing means for executing a filtering process on the first image data; and modulating means for modulating second image data input by said inputting means by using an output of said filtering processing means.
Claim 31
Dependent Claim
17 words
An apparatus according to claim 27, wherein said filtering process is executed by a convolution arithmetic operation.
Claim 32
Dependent Claim
14 words
An apparatus according to claim 27, wherein said filtering process is a smoothing process.
Claim 33
Dependent Claim
20 words
An apparatus according to claim 27, further comprising means for changing an area which is subjected to the filtering process.
Claim 34
Dependent Claim
57 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data input by said inputting means; modulating means for modulating second image data input by said inputting means by repetitively using the first image data; and processing means for eliminating discontinuity in a boundary portion of the first image data.
Claim 35
Dependent Claim
57 words
An image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data input by said inputting means; modulating means for modulating second image data input by said inputting means by repetitively using the first image data; and processing means for eliminating discontinuity in a boundary portion of the first image data.
Claim 36
Dependent Claim
22 words
An apparatus according to claim 31, wherein said processing means eliminates said discontinuity by executing a filtering process in said boundary portion.
Claim 37
Dependent Claim
14 words
An apparatus according to claim 32, wherein said filtering process is a smoothing process.
Claim 38
Dependent Claim
33 words
An apparatus according to claim 31, wherein said processing means sets an image which is expressed by the first image data to be point symmetrical with respect to the center of the image.
Claim 39
Dependent Claim
27 words
An apparatus according to claim 34, wherein said processing means includes a plurality of counters to execute a process for setting the image to be point symmetrical.
Claim 40
Dependent Claim
65 words
An image processing apparatus comprising: inputting means for inputting a plurality of color component signals; memory means for storing multivalue concentration data which is obtained on the basis of the color component signals input by said inputting means; and calculating means for executing a calculation by using the color component signals input by said inputting means and the concentration data stored in said memory means.
Claim 41
Dependent Claim
65 words
An image processing apparatus comprising: inputting means for inputting a plurality of color component signals; memory means for storing multivalue concentration data which is obtained on the basis of the color component signals input by said inputting means; and calculating means for executing a calculation by using the color component signals input by said inputting means and the concentration data stored in said memory means.
Claim 42
Dependent Claim
30 words
An apparatus according to claim 36, wherein said inputting means includes a charge-coupled device line sensor (CCD line sensor) for inputting the plurality of color component signals for every pixel.
Claim 43
Dependent Claim
25 words
An apparatus according to claim 36, wherein said multivalue concentration data is a mean value of the color component signals input by said inputting means.
Claim 44
Dependent Claim
22 words
An apparatus according to claim 36, wherein said calculating means multiplies the multivalue concentration data by each of the color component signals.
Claim 45
Dependent Claim
39 words
A still-image processing method comprising the steps of: storing first image data; inputting second image data; and sequentially mutually calculating the first and second image data for every pixel while reading out the first image data for every pixel.
Claim 46
Dependent Claim
39 words
A still-image processing method comprising the steps of: storing first image data; inputting second image data; and sequentially mutually calculating the first and second image data for every pixel while reading out the first image data for every pixel.
Claim 47
Dependent Claim
28 words
A method according to claim 40, wherein said storing step includes the step of extracting concentration data of a single color from the plurality of color component signals.
Claim 48
Dependent Claim
22 words
A method according to claim 40, wherein in said calculating step, a multiplication of said first and second image data is executed.
Claim 49
Dependent Claim
15 words
A method according to claim 40, wherein said first image data is multivalue image data.
Claim 50
Dependent Claim
48 words
A method according to claim 40, further comprising the step of: designating an area in an image which is expressed by said second image data, and wherein in said calculating step, said mutual calculation is executed with respect to only the area designated in said area designating step.
Claim 51
Dependent Claim
30 words
A method according to claim 40, wherein said inputting step includes the step of scanning an original by a CCD line sensor and generating a plurality of color component signals.
Claim 52
Dependent Claim
18 words
A method according to claim 44, wherein each of said plurality of color component signals is multivalue data.
Claim 53
Dependent Claim
68 words
A still image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data which is input by said inputting means, the first image data representing a first image having a predetermined area; and processing means for executing a modulating processing on second image data which is input by said inputting means, by using the first image data, stored in said memory means.
Claim 54
Dependent Claim
68 words
A still image processing apparatus comprising: inputting means for inputting image data; memory means for storing first image data which is input by said inputting means, the first image data representing a first image having a predetermined area; and processing means for executing a modulating processing on second image data which is input by said inputting means, by using the first image data, stored in said memory means.
Claim 55
Dependent Claim
35 words
An apparatus according to claim 47, further comprising detecting means for detecting a predetermined color of the second image data, and wherein the predetermined area is specified by the color detected by said detecting means.
Claim 56
Dependent Claim
33 words
An apparatus according to claim 47, wherein said inputting means includes a charge-coupled device for reading an original and generating color component signals representing R (red), G (green) and B blue) color components.
Claim 57
Dependent Claim
29 words
An apparatus according to claim 47, wherein said processing means includes monitoring means for multiplying the first image data stored in said memory means by the second image data.
Claim 58
Dependent Claim
37 words
An apparatus according to claim 47, wherein said inputting means for inputting the first image data is selected from the group consisting of (1) image reading means including a charge-coupled device and (2) a central processing unit.
Claim 59
Dependent Claim
17 words
An apparatus according to claim 47, further comprising variable-magnifying means for variably magnifying the first image data.
Claim 60
Dependent Claim
42 words
An image processing apparatus comprising: correcting means for performing color correction of color image data; generating means for generating multivalue image data; and modulating means for modulating the color image data corrected by said correcting means, by using the multivalue image data.
Claim 61
Dependent Claim
42 words
An image processing apparatus comprising: correcting means for performing color correction of color image data; generating means for generating multivalue image data; and modulating means for modulating the color image data corrected by said correcting means, by using the multivalue image data.
Claim 62
Dependent Claim
13 words
An apparatus according to claim 53, wherein said correcting means performs color masking.
Claim 63
Dependent Claim
13 words
An apparatus according to claim 53, wherein said correcting means performs undercolor removal.
Claim 64
Dependent Claim
13 words
An apparatus according to claim 53, wherein said correcting means performs gradation correction.
Claim 65
Dependent Claim
16 words
An apparatus according to claim 53, further comprising inputting means for inputting the color image data.
Claim 66
Dependent Claim
31 words
An apparatus according to claim 53, further comprising image forming means for forming an image on a recording medium in accordance with the color image data modulated by said modulating means.
Claim 67
Dependent Claim
43 words
An image processing apparatus comprising: processing means for performing undercolor removal processing on color image data; generating means for generating multivalue image data; and modulating means for modulating the color image data which has been undercolor-removal processed, by using the multivalue image data.
Claim 68
Dependent Claim
43 words
An image processing apparatus comprising: processing means for performing undercolor removal processing on color image data; generating means for generating multivalue image data; and modulating means for modulating the color image data which has been undercolor-removal processed, by using the multivalue image data.
Claim 69
Dependent Claim
16 words
An apparatus according to claim 59, further comprising inputting means for inputting the color image data.
Claim 70
Dependent Claim
31 words
An apparatus according to claim 59, further comprising image forming means for forming an image on a recording medium in accordance with the color image data modulated by said modulating means.
Claim 71
Dependent Claim
37 words
A still-image processing method comprising the steps of: selecting an image processing mode; reading multivalue image data stored in a memory; inputting color image data; and modulating the color image data by using the multivalue image data.
Claim 72
Dependent Claim
37 words
A still-image processing method comprising the steps of: selecting an image processing mode; reading multivalue image data stored in a memory; inputting color image data; and modulating the color image data by using the multivalue image data.
Claim 73
Dependent Claim
22 words
A method according to claim 62, wherein the image processing mode is a texture mode and is selected by an operation unit.
Claim 74
Dependent Claim
23 words
A method according to claim 62, wherein said reading step and said inputting step are started in response to a single operation command.
Claim 75
Dependent Claim
23 words
A method according to claim 62, wherein, in said modulating step, calculations selected from the group consisting of multiplication and addition are performed.
Claim 76
Dependent Claim
68 words
An image copying apparatus comprising: generating means for generating first image data; reading means for reading an original image to generate second image data; processing means for modulating the second image data, by using the first image data generated by said generating means; and image forming means for forming an image on a recording medium using the second image data which has been modulated by said processing means.
Claim 77
Dependent Claim
68 words
An image copying apparatus comprising: generating means for generating first image data; reading means for reading an original image to generate second image data; processing means for modulating the second image data, by using the first image data generated by said generating means; and image forming means for forming an image on a recording medium using the second image data which has been modulated by said processing means.
Claim 78
Dependent Claim
15 words
An apparatus according to claim 66, wherein said reading means further comprises a charge-coupled device.
Claim 79
Dependent Claim
30 words
An apparatus according to claim 66, wherein said processing means further comprises modulating means for multiplying the first image data generated by said generating means by the second image data.
Claim 80
Dependent Claim
16 words
An apparatus according to claim 66, wherein said image forming means comprises a laser beam printer.
Claim 81
Dependent Claim
17 words
An apparatus according to claim 66, further comprising variable-magnifying means for variably magnifying the first image data.
Claim 82
Dependent Claim
32 words
An apparatus according to claim 66, further comprising designating means for designating an area, and wherein said processing means modulates the second image data of the area designated by said designating means.
Claim 83
Dependent Claim
14 words
An apparatus according to claim 66, wherein said generating means further comprises memory means.
Claim 84
Dependent Claim
26 words
An apparatus according to claim 72, wherein said memory means stores therein the first image data based on the image data read by said reading means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1994-06-03 | 1994-12-03 | 1995-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-03 | 1998-12-03 | 1999-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-03 | 2002-12-03 | 2003-06-04 | $7700.00 | Window Closed / Lapsed |