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

Method and device for judging standardability of handwritten Chinese character

A normative, Chinese character technology, applied in character and pattern recognition, image data processing, instruments, etc., can solve problems such as poor evaluation, fatigue, and ineffective evaluation methods

Inactive Publication Date: 2014-07-02
GUANGZHOU KSENSE INFORMATION TECH
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method currently used is mainly judged by people (teachers). On the one hand, this method is very subjective, and people who write the same Chinese characters with different characters may give quite different judgments; on the other hand, this method Boring and repetitive work is easy to make people tired. The same Chinese character is judged by the same person in different time periods, and it is possible to give different judgment results
[0003] The Chinese patent document with the publication number CN101630362A and titled "A method for evaluating the quality of Chinese character writing based on confidence" discloses a method for evaluating the quality of Chinese character writing based on confidence. The method uses a modified quadratic decision function to calculate candidate characters Then calculate the confidence level according to the distance of the candidate characters and evaluate the writing quality of Chinese characters. Since the evaluation standard of this scheme depends on the selection of training samples (that is, written Chinese characters), if the training samples are neatly written, then the neatly written Chinese characters have a good evaluation, otherwise, the evaluation is poor; the evaluation method of writing Chinese characters based on training samples in the prior art is not effective

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
  • Method and device for judging standardability of handwritten Chinese character
  • Method and device for judging standardability of handwritten Chinese character
  • Method and device for judging standardability of handwritten Chinese character

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] see figure 1 figure 2 , the present invention will be described in detail below in conjunction with the accompanying drawings.

[0079] A method for writing normative evaluation of Chinese characters, comprising the following steps:

[0080] Step 101, obtain the strokes of written Chinese characters, assuming that there are n strokes in total; using the Douglas-Puke algorithm to compress the vector data of each stroke to obtain the key points of the trajectory of each stroke; assuming that the i-th stroke has p key points of trajectory , denote the t-th trajectory key point of the i-th stroke as a t , two adjacent trajectory key points form a stroke segment, the i-th stroke has p-1 stroke segments in total, and the d-th stroke segment of the i-th stroke is expressed as v d , where i=1,2,...,n, t=1,2,...,p, d=1,2,...,p-1.

[0081] The numbering sequence of the key points of the trajectory of a stroke is the writing sequence of the stroke, and the numbering sequence ...

Embodiment 2

[0115] see image 3 Figure 4 The difference between this embodiment and the first embodiment is that after step 101, step 101A and step 101B are further included.

[0116] Step 101A, obtain the number of strokes of the template Chinese character; if the number of strokes of the written Chinese character is not equal to the number of strokes of the template Chinese character, it is determined that the written Chinese character is an irregular written Chinese character, and the method ends.

[0117] Step 101B, this step is used to judge the normativeness of each stroke of writing Chinese characters, including the following steps:

[0118] Step A21, set i=1.

[0119]Step A22, obtain the stroke segment v of the i-th stroke of the written Chinese character d The stroke segment u of the i-th stroke of the template Chinese character c The number of intersections m, determine whether the number of intersections m is not greater than the preset threshold, if yes, continue to step ...

Embodiment 3

[0129] see Figure 5 , a device for writing normative evaluation of Chinese characters, comprising:

[0130] Written Chinese character trajectory recognition device 201 is used to obtain the strokes of written Chinese characters, assuming that there are n strokes in total; adopting the Douglas-Puke algorithm to compress the vector data of each stroke to obtain the key points of the trajectory of each stroke; assuming that the i-th stroke There are p trajectory key points in total, and the t-th trajectory key point of the i-th stroke is expressed as a t , two adjacent trajectory key points form a stroke segment, the i-th stroke has p-1 stroke segments in total, and the d-th stroke segment of the i-th stroke is expressed as v d , where i=1,2,...,n, t=1,2,...,p, d=1,2,...,p-1. The device 201 for identifying traces of written Chinese characters may be an electronic tablet, a stylus, a touch screen, and the like.

[0131] The stroke projection feature similarity acquiring device...

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

The invention discloses a method and device for judging the standardability of a handwritten Chinese character; the method for judging the standardability of the handwritten Chinese character comprises the following steps of: obtaining strokes of the handwritten Chinese character, carrying out vector data compression on each stroke by using a Douglas-Peucher algorithm to obtain a track key point of each stroke, obtaining the sum of distances among characteristic vectors of a projection and the sum of jointed areas of the strokes, and carrying out standardability judgment on the handwritten Chinese character by using the sum of the distances among the characteristic vectors of the projection and the sum of jointed areas of the strokes according to a machine learning method; and the technical scheme can effectively and objectively carry out the standardability judgment on the handwritten Chinese character and has good judgment effect.

Description

technical field [0001] The invention relates to the technical field of judging the normativeness of written Chinese characters, in particular to a method and device for judging the normativeness of written Chinese characters. Background technique [0002] In the fields of Chinese character application proficiency testing and Chinese character application teaching, how to effectively judge the standardization of written Chinese characters (Chinese characters handwritten by testers) is a relatively new topic. The method currently used is mainly judged by people (teachers). On the one hand, this method is very subjective, and people who write the same Chinese characters with different characters may give quite different judgments; on the other hand, this method Boring and repetitive work is easy to make people tired. The same Chinese character is judged by the same person in different time periods, and different judgment results may be given. [0003] The Chinese patent docume...

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): G06K9/66G06T7/00
Inventor 祝豪邓超朱军民
Owner GUANGZHOU KSENSE INFORMATION TECH
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