Image processing equipment and electronic devices

An image processing device and binary image technology, which is applied in the field of image processing, can solve the problem of low compression efficiency of binary images, achieve efficient image compression processing, reduce analysis processing, and reduce physical storage space.

Active Publication Date: 2018-04-13
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Currently used image storage formats are usually processed based on the characteristics of color images rather than binary images, so the compression efficiency is not high for binary images

Method used

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  • Image processing equipment and electronic devices
  • Image processing equipment and electronic devices
  • Image processing equipment and electronic devices

Examples

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Embodiment Construction

[0025] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and those Restrictions may vary from implementation to implementation. Furthermore, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.

[0026] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related to t...

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Abstract

The present disclosure provides an image processing apparatus and electronic device for compressing a binary image. The image processing device includes: an edge pixel acquiring device, configured to acquire at least one edge pixel on each edge in the binary image as an initial edge pixel; an edge pixel judging device, configured to use each initial edge pixel as a basic pixel, Judging whether each unprocessed neighboring pixel of the basic pixel is an edge pixel, and in the case that the neighboring pixel is judged to be an edge pixel, using the neighboring pixel as a basic pixel to perform the judgment operation on it, thereby determining All edge pixels on the edge where the initial edge pixel is located; and storage means for storing the position of the initial edge pixel and the pixel features of each edge pixel including the initial edge pixel, so as to realize the binary image of compression. The present disclosure can improve the compression efficiency of binary images.

Description

technical field [0001] The present disclosure relates to an image processing technology, and in particular to an image processing device, an image processing method, and an electronic device for compressing and decompressing a binary image. Background technique [0002] In document processing technology, it is often necessary to save a large number of text images for system comparison or recognition. And because the text image only needs to save its shape information and its size, so a common word processing system will use a binary image that takes up less space to save the text image. Currently used image storage formats are usually processed based on the characteristics of color images rather than binary images, so the compression efficiency is not high for binary images. Contents of the invention [0003] A brief overview of the invention is given below in order to provide a basic understanding of some aspects of the invention. It should be understood that this summa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/41G06T5/00
Inventor 张明明何源孙俊
Owner FUJITSU LTD
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