Supercharge Your Innovation With Domain-Expert AI Agents!

Method for recognizing hand-written Chinese character strokes and recognition device

A recognition method and a technology of a recognition device, which are applied in character and pattern recognition, instruments, computer parts, etc., can solve the problems of inability to judge and evaluate the correctness and recognizability of handwritten Chinese characters, and the inability to recognize the strokes of handwritten Chinese characters, etc.

Active Publication Date: 2011-05-11
GUANGZHOU KSENSE INFORMATION TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing handwriting recognition technology cannot recognize the strokes of handwritten Chinese characters, so that the correctness and recognizability of handwritten Chinese characters cannot be further judged and evaluated

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 for recognizing hand-written Chinese character strokes and recognition device
  • Method for recognizing hand-written Chinese character strokes and recognition device
  • Method for recognizing hand-written Chinese character strokes and recognition device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The recognition method of the handwritten Chinese character stroke of the present embodiment comprises: obtaining the handwritten Chinese character stroke; Judging whether the stroke has an inflection point, if so, recognizing that the stroke is a folding pen; Otherwise, taking the starting point of the stroke as the origin of the Cartesian coordinate system to obtain the starting point of the stroke The angle A formed with the end point; the range of the determined angle A is, 0≤A<π / 2 or (2π-α)≤A<2π, and the stroke is recognized as a horizontal stroke; wherein, the value range of α is, 0.05≤α≤0.25; determine the range of angle A is, (3π / 2-β)≤A<(3π / 2+γ), then the stroke is recognized as a vertical stroke; where, the value range of β is, 0.1≤ β≤0.2, the value range of γ is 0.11≤γ≤0.21; the range of determining the angle A is (3π / 2+γ)≤A<(2π-α), then the stroke is recognized as a dotted stroke; determine the angle The range of A is, π≦A<(3π / 2-β), and then the stroke is ide...

Embodiment 2

[0028] In this embodiment, the vertical hook with one inflection point is assigned to the vertical stroke, and the short stroke is assigned to the dot stroke. Please refer to figure 1 , is a flow chart of the method for recognizing strokes of handwritten Chinese characters in this embodiment.

[0029] Obtain the strokes of handwritten Chinese characters, and obtain 3 pixel points sequentially according to the direction of handwriting, and judge whether the strokes have an inflection point. Obtain the coordinates of 3 pixel points B, C, and D of handwritten Chinese character strokes successively by handwriting direction, determine (BC+CD)>BD×σ, then judge to have inflection point between B, C, D; Wherein, BC represents image The distance between pixel point B and pixel point C, CD represents the distance between pixel point C and pixel point D, BD represents the distance between pixel point B and pixel point D, the value range of σ is 1.00 ≤σ≤1.11.

[0030] If the handwritte...

Embodiment 3

[0047] Please refer to image 3, is a schematic diagram of the device for recognizing strokes of handwritten Chinese characters in this embodiment. The recognition device 100 of the strokes of handwritten Chinese characters in this embodiment includes: a stroke acquisition unit 101, which is used to acquire the strokes of handwritten Chinese characters; The stroke is a folding pen; otherwise, the information of obtaining the angle A formed by the starting point and the end point is issued; the angle acquisition unit 103 is used to receive the information of the angle A formed by the inflection point determination unit 102 and obtain the angle A formed by the starting point and the end point. The starting point of the horizontal stroke is the origin of the Cartesian coordinate system, and the angle A formed by the starting point and the end point of the stroke is obtained; the horizontal stroke determining unit 104 is used to determine the range of the angle A obtained by the a...

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 relates to the stroke recognition technology field, in particular to a recognition method and a recognition device for a handwritten Chinese character stroke. The recognition method comprises the following steps: the handwritten Chinese character stroke is obtained; whether the stroke is provided with inflection points is judged; if the stroke is provided with the inflection points,the stroke is identified as a cornering stroke; if the stroke is not provided with the inflection points, the start point of the stroke is taken as an origin of a rectangular coordinate system, and an angle A formed by the start point and the end point of the stroke is obtained; a horizontal stroke, a straight down stroke, a point stroke and a left-falling stroke are identified according to the range of the angle A. By adopting the technical proposal, the handwritten stroke can be accurately identified as the cornering stroke, the horizontal stroke, the straight down stroke, the point stroke,the left-falling stroke, etc. which accords with the specified national standards through the judgment on the stroke inflection points and the angle formed by the start point and the end point of thestroke.

Description

technical field [0001] The invention relates to the technical field of stroke recognition, in particular to a recognition method and a recognition device for strokes of handwritten Chinese characters. Background technique [0002] The existing handwriting recognition technology is to record the coordinates of the pixel points according to the handwriting direction (chronological order) and the vector value of the handwriting direction while the user is writing, and divide them into different sequences according to strokes (also called strokes) Set, process these records to standardize each pixel point in each sequence set; then, compare the handwritten font sequence set with the standard font sequence set in the standard font library, take the Chinese character with the highest similarity, and return it as the recognition result to user. [0003] It can be seen from the above prior art that it uses the similarity of the handwritten sequence set of the overall handwritten Ch...

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): G06K9/72
Inventor 祁亨年庄立陈频
Owner GUANGZHOU KSENSE INFORMATION TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com