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Image processing device and image reading device

An image processing device and image technology, applied in image communication, electrical components, etc., can solve problems such as loss and image quality degradation

Inactive Publication Date: 2009-07-01
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, the amount of data sent to the network can be reduced, but in this case, data with relatively high frequency components such as text information will be lost when the conversion process of the file format is carried out in the PC, which may cause image quality to decrease. Therefore, it is ideal to use MMR compression to compress images suitable for MMR compression and make them into data files.

Method used

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  • Image processing device and image reading device
  • Image processing device and image reading device
  • Image processing device and image reading device

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Embodiment Construction

[0057] Hereinafter, a digital multifunction machine which is one embodiment of the image forming apparatus of the present invention will be described as a first embodiment with reference to the drawings. figure 1 It is a side view briefly showing the internal structure of the digital multifunction device. The digital multifunction machine 1 also has a copy function, a print function, a scan function, a facsimile function, and the like. The MFP 1 includes a main body 2 , a stack tray 3 disposed on the left side of the main body 2 , a document reading unit 4 disposed above the main body 2 , and a document conveying unit 5 disposed above the document reading unit 4 .

[0058] In addition, an operation unit 6 is provided on the front of the digital multi-function peripheral 1 . The operation unit 6 includes: a start key 7 for the user to input a print execution command; a number key 8 for inputting the number of copies to be printed; and a display unit 9 composed of a liquid crys...

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Abstract

An image processing device includes a first encoding processing portion to perform first encoding processing according to a first compression method for compressing multilevel image data and a second encoding processing portion to perform second encoding processing according to a second compression method for compressing binary image data. A determination portion determines whether an image made up of acquired image data is a monochrome image. A data volume estimating portion makes an estimation between a first data volume when image data forming the monochrome image is compressed by the first encoding processing and a second data volume when the image data is compressed by the second encoding processing as to which data volume becomes smaller. A file creating portion creates a data file from image data that has the smaller volume.

Description

technical field [0001] The present invention relates to an image processing device capable of performing encoding processing based on a compression method for compressing multivalued image data and based on a compression method for compressing binary image data, and an image reading device having the image processing device. Background technique [0002] Conventionally, some color digital copiers employ a technology for automatically determining whether an image read by an image reading unit is a black-and-white image or a color image through ACS (Automatic Color Selection) processing (for example, Japanese Patent Laid-Open Publication No. Hei 11-155045). In addition, a copier having a function that, in the case where the copier transmits image data to an external device such as a personal computer (hereinafter referred to as PC) is commercialized, when the result of the ACS processing is a judgment When the image is a black-and-white image, the user can choose to use MMR (M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/64H04N1/48
CPCH04N2201/3288H04N1/56H04N1/32363H04N1/32454H04N1/41
Inventor 原田博之
Owner KYOCERA DOCUMENT SOLUTIONS INC
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