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Chinese character geometric structure feature migration method based on composite contour skeleton

A technology of compound contour and geometric structure, applied in character recognition, electrical digital data processing, character and pattern recognition, etc., can solve the problems of large matching error, labor and time consumption.

Pending Publication Date: 2021-04-30
HANGZHOU DIANZI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The modification methods involving the local geometric structure of fonts often need to use font editing software (software FontForge, FontCreater, etc.) to directly modify one by one, which requires a lot of manpower and time.
However, directly using the font skeleton to modify the glyph will have many problems such as large matching errors.

Method used

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  • Chinese character geometric structure feature migration method based on composite contour skeleton
  • Chinese character geometric structure feature migration method based on composite contour skeleton
  • Chinese character geometric structure feature migration method based on composite contour skeleton

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] The skeleton-based Chinese character geometric structure feature transfer method provided by the present invention is applicable to the TrueType Font format Chinese character font library based on UTF-8 encoding, and the main steps of the method include:

[0039] standard glyph, an instance of a character containing attributes such as unmodified outline data;

[0040] Variant glyphs, instances of a character that contain attributes such as modified outline data;

[0041] There are already variant fonts, fonts that have been modified by other means;

[0042] To generate variant fonts, fonts that need to be modified through this method;

[0043] Standard glyph font files, including font files of standard glyphs;

[0044] Variant glyph font files, including font files of variant glyphs;

[0045] Target word, a certain character corresponding to the glyph to be ...

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Abstract

The invention discloses a Chinese character geometric structure feature migration method based on a composite contour skeleton, and the method comprises the steps: obtaining the geometric structure relation of a corresponding composite contour skeleton feature point set between fonts, constructing the mapping relation between composite contour sets of the same target word of different font files, and constructing the mapping relation between a single composite contour set and the skeleton feature points; forming the composite contour of the variant glyph of the variant glyph font to be generated, writting the corresponding coding position of the font file after format conversion. The problem that a user can only utilize the existing variant font library when using the text information hiding system is solved.

Description

technical field [0001] The invention belongs to the field of a Chinese character geometric structure feature transfer method based on a compound contour skeleton. Background technique [0002] At present, there are relatively complete methods for extracting the skeleton of Chinese characters, such as the skeleton line extraction algorithm based on the axis of symmetry to obtain the center point, the skeleton line calculation method based on the definition of the inscribed circle, etc.; The network, etc., have been applied to the generation and modification of Chinese characters; [0003] At present, the technology used to generate Chinese characters is mostly used to create characters, that is, according to the basic character set and characteristic style data, extract the skeleton or apply the conditional generation confrontation network to generate a new character set. The error range caused by the modification generally exceeds the modification. The acceptable level of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F40/109G06K9/62G06K9/68
CPCG06F40/109G06V30/245G06V30/10G06F18/214
Inventor 郭雨辰张祯姚晔倪嘉铭吴佳怡甘近平李岩
Owner HANGZHOU DIANZI UNIV
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