Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Image binarization method and device

An image binarization and binarization technology, applied in the field of image processing

Inactive Publication Date: 2010-11-17
RICOH KK +1
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method will fail in the case of large characters, low contrast and reversed fonts

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Image binarization method and device
  • Image binarization method and device
  • Image binarization method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] In this paper, the global segmentation method refers to using the same threshold to segment the entire image, while the local adaptive segmentation method refers to determining an individual segmentation threshold for each pixel in the image. If the gray levels of text and other useful information in the entire image are consistent, the entire image can be segmented using a global segmentation method. However, due to the inconsistency between different regions in many images, it is difficult to achieve good segmentation results with a single segmentation threshold. In this case, it is necessary to use a local adaptive segmentation method to determine different segmentation thresholds for different pixels.

[0028] The image binarization method and image binarization device according to the present invention will be described in detail below with reference to the accompanying drawings.

[0029] refer to figure 1 , the flow chart of the image binarization method propos...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

This invention provides one binary state pattern method for files images and its device, which comprises the following steps: a, aim for the said file image grey data computing the said file image complexity and accordingly sorting the images into simple and complex types; b, when it is of simple type, through whole cutting method of the grey image data and when the file image is of complex type,through complex cut method binary image data to generate binary image data.

Description

technical field [0001] The invention relates to the field of image processing, in particular to an image binarization method and device for binarizing document images. Background technique [0002] Documents are the main information carrier in the current society. Document images are generally composed of text, tables, lines, and pictures, and since the information of document images is essentially binary information, ideally, it can be represented by a single foreground and background, such as white for the background, black Indicates useful information, that is, foreground. However, in practical applications, due to the printing process, uneven reflection, the diversity of the content of the document itself, and various rich artistic effects, the foreground and background of the image usually change. The purpose of document image binarization is to separate useful information from useless information and represent the result as a binary image. [0003] Image binarizatio...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/38
Inventor 郝英李滔
Owner RICOH KK
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com