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Image processing device, image processing method, image processing programme and recording medium storing the programme

An image processing device and image processing technology, applied in electrography, image communication, optics, etc., can solve problems such as uncontrollable copying behavior

Inactive Publication Date: 2008-04-16
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method can only suppress the copying psychology, but cannot control the copying behavior itself

Method used

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  • Image processing device, image processing method, image processing programme and recording medium storing the programme
  • Image processing device, image processing method, image processing programme and recording medium storing the programme
  • Image processing device, image processing method, image processing programme and recording medium storing the programme

Examples

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no. 1 example

[0114] First composition example:

[0115] Now, refer to Figure 6 7 illustrates a first configuration example of the first embodiment of the present invention.

[0116] Figure 6 is a block diagram showing the hardware resources of the image processing device. Figure 7 is Figure 6 Block diagram of the background dot pattern detection part in .

[0117] like Figure 6 As mentioned above, the image processing device in this embodiment is a digital copier composed of a scanner 201 as a text reading device, an image processing part 202 with a digital circuit structure, an image forming part 203, and a system controller 204. The system control unit 204 is composed of a CPU (Central Processing Unit) 204a, a ROM (Read Only Memory) 204b, and a RAM (Random Access Memory) 204c. The system control section 204 controls the image processing section 202 and the image forming section 203 according to instructions from the operation display section 205 , and returns necessary inform...

no. 3 example

[0167] Below, refer to Figure 11 An image processing apparatus (including an image processing program and a recording medium storing the image processing program) according to a third embodiment of the present invention is described with FIG. 12 .

[0168] Figure 11 is a block diagram showing the hardware resources of the image processing device. FIG. 12 is a flow chart showing a copy prohibition text discrimination process executed in accordance with a computer program installed in the hardware resources of the image processing apparatus.

[0169] In the second embodiment described above, the processing of detecting and judging a copy-prohibited document such as a confidential document or the like has been described in accordance with a computer program set in a hardware resource. The image processing apparatus in the second embodiment described above is a digital copier. In this regard, in this embodiment, the above-mentioned computer program is installed in the persona...

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Abstract

The invention relates to an image processing device and method as well as a recording media storing its program. The image processing device is provided with detection device and judgment device, where the former detects background pattern (background point pattern) inserted in background image among the text image data including the background image and the latter is used to judge if the detected background pattern is consistent with that stored in a memory region and expressing output inhibited image, therefore in spite of the kinds of text images, as long as determining if the detected background pattern is consistent with that stored in the memory region and expressing the output inhibited image, it can judge if to inhibit outputting image data of text image. By this, it can reliably prevent illegal copying for confidential files.

Description

[0001] technology area [0002] The present invention relates to an image processing device, an image processing method, an image processing program, and a recording medium storing the program, which can reliably prevent duplication and playback of confidential documents. Background technique [0003] In recent years, with the improvement of image processing technology and image forming technology, it is difficult to distinguish the authenticity of banknotes or securities printed by digital color copiers. Therefore, it is necessary to take measures for special documents such as banknotes or securities so that they cannot be reproduced completely or reproduced correctly. [0004] Also, for example, in general companies, it is necessary to take some measures for most files from the viewpoint of protecting the contents of the files. [0005] Therefore, various inventions capable of preventing copying of special texts, confidential documents, etc. have been proposed. Specific ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/40G03G21/04
Inventor 石川雅朗斋藤高志阿部悌关海克
Owner RICOH KK
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