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EP0369702A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Image processing apparatus and method

Assignee: Canon Inc
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Filing: 1989-11-13
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Granted: —
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Expires: 2009-11-13
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Abstract

Abstract An image processing apparatus includes first (1) and second (19) input units for inputting an image data, a memory (15, 16) for storing first image data input by the first or second input unit, and a processor for processing second image data input by the first or second unit using the image data stored in the memory.

Inventors

  • 👤 Yoshinori Ikeda
  • 👤 Koichi Kato
  • 👤 Mitsuru Kurita
  • 👤 Hiroyuki Ichikawa
  • 👤 Yasumichi Suzuki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 14:21
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/387; H04N1/3872; H04N1/3873; H04N1/3875; G; G06; G06T; G06T1/00; G06T1/20

Claims Analysis

Total Claims: 47
Claim 1
Independent Claim 53 words
An image processing apparatus comprising: first and second input means for inputting image data; memory means for storing first image data input by said first or second input means; and processing means for processing second image data input by said first or second means using said image data stored in said memory means.
Claim 2
Dependent Claim 53 words
An image processing apparatus comprising: first and second input means for inputting image data; memory means for storing first image data input by said first or second input means; and processing means for processing second image data input by said first or second means using said image data stored in said memory means.
Claim 3
Dependent Claim 35 words
An apparatus according to claim 1, further comprising: designating means for designating a predetermined area of said second image data, wherein said processing means processes an image in the area designated by said designating means.
Claim 4
Dependent Claim 17 words
An apparatus according to claim 2, wherein said designating means can designate a plurality of rectangular areas.
Claim 5
Dependent Claim 13 words
An apparatus according to claim 3, wherein said designating means comprises a digitizer.
Claim 6
Dependent Claim 47 words
An apparatus according to claim 1, wherein said first input means includes a CCD line sensor for reading an original image as a plurality of color component data in units of pixels, and said second input means comprises means for inputting image data from an external device.
Claim 7
Dependent Claim 19 words
An apparatus according to claim 1, wherein said memory means comprises a bit map memory for storing binary data.
Claim 8
Dependent Claim 17 words
An apparatus according to claim 1, wherein said memory means comprises a memory for storing multivalue data.
Claim 9
Dependent Claim 20 words
An apparatus according to claim 1, wherein said processing means synthesizes said first image data with said second image data.
Claim 10
Dependent Claim 33 words
An apparatus according to claim 2, wherein said processing means selects data necessary for image synthesis from a plurality of image data including said first and second image data in units of pixels.
Claim 11
Dependent Claim 50 words
An apparatus according to claim 9, further comprising: means for generating area data, wherein said area generating means generates the area data based on the area designated by said designating means, and said processing means selects necessary data from the plurality of image data in accordance with the area data.
Claim 12
Dependent Claim 67 words
An image processing apparatus comprising: input means for inputting image data; variable magnification means for varying a magnification of first image data input by said input means; synthesizing means for synthesizing the image data output from said variable magnification means and second image data input by said input means; and another variable magnification means for varying a magnification of the output image data from said synthesizing means.
Claim 13
Dependent Claim 67 words
An image processing apparatus comprising: input means for inputting image data; variable magnification means for varying a magnification of first image data input by said input means; synthesizing means for synthesizing the image data output from said variable magnification means and second image data input by said input means; and another variable magnification means for varying a magnification of the output image data from said synthesizing means.
Claim 14
Dependent Claim 15 words
An apparatus according to claim 11, further comprising means for storing the first image data.
Claim 15
Dependent Claim 16 words
An apparatus according to claim 12, wherein said memory means comprises a binary bit map memory.
Claim 16
Dependent Claim 14 words
An apparatus according to claim 12, wherein said memory means comprises a multivalue memory.
Claim 17
Dependent Claim 32 words
An apparatus according to claim 12, wherein said variable magnification means varies the magnification of said first image data before or after the first image data is stored in said memory means.
Claim 18
Dependent Claim 49 words
An apparatus according to claim 11, wherein as said input means, one of image reading means including a CCD line sensor for reading an original image as a plurality of color component data and image data input means from an external device is selectively used in units of pixels.
Claim 19
Dependent Claim 17 words
An apparatus according to claim 11, wherein said variable magnification means comprises a plurality of FiFo memories.
Claim 20
Dependent Claim 33 words
An apparatus according to claim 11, wherein said synthesizing means selects data necessary for image synthesis from a plurality of image data including said first and second image data in units of pixels.
Claim 21
Dependent Claim 32 words
An apparatus according to claim 18, further comprising: means for generating area data, wherein said synthesizing means selects necessary data from the plurality of image data in accordance with said area data.
Claim 22
Dependent Claim 13 words
An apparatus according to claim 19, wherein said synthesizing means comprises a selector.
Claim 23
Dependent Claim 68 words
An image processing apparatus for digitally processing a color image, comprising: designation means for designating an area of an image represented by first image data; and synthesizing means for synthesizing second image data in the area designated by the designation means, wherein said synthesizing means changes an area which is present within the designated area and where the second image data is not present into third image data.
Claim 24
Dependent Claim 68 words
An image processing apparatus for digitally processing a color image, comprising: designation means for designating an area of an image represented by first image data; and synthesizing means for synthesizing second image data in the area designated by the designation means, wherein said synthesizing means changes an area which is present within the designated area and where the second image data is not present into third image data.
Claim 25
Dependent Claim 18 words
An apparatus according to claim 21, further comprising: input means for inputting said first and second image data.
Claim 26
Dependent Claim 30 words
An apparatus according to claim 22, wherein said input means comprises reading means for separating and reading an original image into a plurality of color components in units of pixels.
Claim 27
Dependent Claim 17 words
An apparatus according to claim 21, further comprising: first memory means for storing said second image data.
Claim 28
Dependent Claim 20 words
An apparatus according to claim 24, wherein said first memory means comprises a bit map memory for storing binary data.
Claim 29
Dependent Claim 17 words
An apparatus according to claim 21, further comprising: second memory means for storing said third image data.
Claim 30
Dependent Claim 23 words
An apparatus according to claim 26, wherein said second memory means stores the third image data associated with colors having no area data.
Claim 31
Dependent Claim 22 words
An apparatus according to claim 21, wherein said synthesizing means synthesizes said first, second, and third image data in units of lines.
Claim 32
Dependent Claim 37 words
An apparatus according to claim 28, wherein said synthesizing means includes a selector for selecting one of said first, second, and third image data in accordance with data associated with the area designated by said designating means.
Claim 33
Dependent Claim 22 words
An apparatus according to claim 21, wherein said image processing apparatus comprises a digital color copying machine for frame-sequentially outputting an image.
Claim 34
Dependent Claim 58 words
An image processing apparatus for sequentially performing a series of image processing operations for input image data to output final image data, comprising: first memory means for storing image data during said series of image processing operations as binary data; and second memory means for storing image data during said series of image processing operations as multivalue data.
Claim 35
Dependent Claim 58 words
An image processing apparatus for sequentially performing a series of image processing operations for input image data to output final image data, comprising: first memory means for storing image data during said series of image processing operations as binary data; and second memory means for storing image data during said series of image processing operations as multivalue data.
Claim 36
Dependent Claim 23 words
An apparatus according to claim 31, further comprising: reading means for reading an original image as color component signals in units of pixels.
Claim 37
Dependent Claim 14 words
An apparatus according to claim 31, wherein said first memory means stores character data.
Claim 38
Dependent Claim 25 words
An apparatus according to claim 31, further comprising: synthesizing means for synthesizing first image data stored in said first memory means with second image data.
Claim 39
Dependent Claim 23 words
An apparatus according to claim 34, wherein said first image data is character data, and said second image data is multivalue image data.
Claim 40
Dependent Claim 25 words
An apparatus according to claim 31, further comprising changing means for changing fourth image data using third image data stored in said second memory means.
Claim 41
Dependent Claim 27 words
An apparatus according to claim 36, wherein said third image data is multivalue density data, and said changing means performs density modulation of said fourth image data.
Claim 42
Dependent Claim 71 words
An image processing method comprising the steps of: inputting image data by first or second input means; storing first image data input in the inputting step; designating an area of second image data input by said first or second input means; and performing image processing of said second image data input by said first or second input means using said first image data in the area designated in the designating step.
Claim 43
Dependent Claim 71 words
An image processing method comprising the steps of: inputting image data by first or second input means; storing first image data input in the inputting step; designating an area of second image data input by said first or second input means; and performing image processing of said second image data input by said first or second input means using said first image data in the area designated in the designating step.
Claim 44
Dependent Claim 34 words
A method according to claim 38, wherein said first input means comprises image reading means comprising a CCD sensor, and said second input means comprises means for inputting image data from an external device.
Claim 45
Dependent Claim 19 words
A method according to claim 38, wherein said storing step includes the step of binarizing said first image data.
Claim 46
Dependent Claim 18 words
A method according to claim 38, further comprising the step of designating a mode of said image processing.
Claim 47
Dependent Claim 23 words
A method according to claim 38, further comprising the step of repeating the image processing step for a plurality of output color components.

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