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Image processing device and image processing method

An image processing device, image data technology, applied in the field of image processing

Inactive Publication Date: 2012-02-01
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So the process takes time
Furthermore, according to this prior art, the number of divided images becomes large because all the divided images constituting a color image are disassembled, and the amount of data for additional information required at the time of recombination becomes large
This makes the file size increase which prevents high compression

Method used

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  • Image processing device and image processing method
  • Image processing device and image processing method
  • Image processing device and image processing method

Examples

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Embodiment Construction

[0030] Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. These examples are given in the following embodiments applied to an image processing apparatus. However, application of the present invention is not limited to image processing apparatuses, and the present invention can also be applied to personal computers (PCs), image reading devices, and information devices such as copiers and printers.

[0031] figure 1 is a block diagram of the image processing apparatus 100 according to the first embodiment of the present invention. The image processing device 100 includes an input unit 11, a division size determiner 12, an image content separator 13, a first storage unit 14, a color / shape separator 15, a color / shape divider 16, a second storage unit 17, and compressed data generation device 18 and compressed data server 19.

[0032] The input unit 11 is a functional unit corresponding to the engine 120 (described be...

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Abstract

An image processing apparatus includes a first separator, a second separator, a dividing unit, and a generating unit. The first separator separates image data into character image data and other image data. The second separator separates the character image data into shape image data and color image data. The dividing unit divides the shape image data and the color image data based on a dividing size decided from the size of the image data and the capacity of processing memory used in output processing of the image data. The generating unit generates additional information for combining a corresponding pair of divided shape image data and divided color image data with the other image data.

Description

[0001] This application claims priority from Japanese Priority Document 2007-070718 filed in Japan on Mar. 19, 2007 and incorporates the entire contents thereof by reference. technical field [0002] The present invention relates to an image processing device, an image processing method and a computer program product. Background technique [0003] As color printers become more popular, for example, high-resolution scanners and digital cameras come into widespread use, the opportunities for processing color images increase. However, this increases the file size. Image compression methods such as those defined by the Joint Photographic Experts Group (JPEG) can thus be used. [0004] Highly compressed Portable Document Format (PDF) technology is also well known. High-compression PDF technology can achieve a compression rate higher than that of high-image-quality JPEG for color images. In this technology, high compression is achieved by separating data in image data into i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/41H04N1/64G06T3/00G06T9/00H04N1/387H04N19/00
CPCG06T9/00H04N1/3871
Inventor 伊藤仁志山川慎二
Owner RICOH KK