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Hand-written character recognition method and system

A technology for handwritten characters and recognition methods, applied in character and pattern recognition, electrical digital data processing, instruments, etc., can solve the problems of low recognition accuracy, large amount of calculation, slow recognition speed, etc., to avoid the amount of calculation, direction characteristics Accurate and accurate results

Inactive Publication Date: 2009-07-15
GUANGDONG GUOBI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]The current handwriting input recognition process is mostly divided into signal acquisition, preprocessing, feature extraction, feature matching and other steps. The existing technology has a large amount of calculation and a long processing time. , so that the recognition speed is still slow, and the recognition accuracy is not high, and further improvement is needed

Method used

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  • Hand-written character recognition method and system
  • Hand-written character recognition method and system

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Embodiment Construction

[0070] In order to make the present invention easier to understand, the present invention will be further described in conjunction with the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0071] In the present invention, the characters input by handwriting are processed through coordinate sequence collection, preprocessing, feature vector extraction, rough classification, fine classification, etc., so as to finally recognize the handwritten characters.

[0072] figure 1 A flow chart of a handwritten character recognition method according to an embodiment of the present invention is shown, wherein the method for obtaining a character matching template includes the following steps:

[0073] Step S01, collect all handwritten character samples of each character class, and calculate the discrete coordinate sequence of the trajectory points of the handwritten character samples; specifically write on...

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Abstract

The invention discloses a hand-written character recognition method which comprises: obtaining a rough-classification stencil-plate and a fine-classification stencil-plate; receiving a signal that hand-written characters of a user are input and collecting a discrete ordinates sequence of the signal, and processing pretreatment; processing feature extraction and calculating multidimensional feature vectors of the hand-written characters; matching the hand-written characters with the rough-classification stencil-plate, and selecting a plurality of candidate character types with the largest similarity; matching the hand-written characters after feature transformation with a sample center of the candidate character types selected from the fine-classification stencil-plate, thereby determining the most similar character type. The invention also discloses a hand-written character recognition system. The invention has higher speed of inputting and recognizing hand-written characters, and has higher recognition accuracy.

Description

technical field [0001] The invention relates to the field of handwritten character recognition, in particular to a method and system for handwritten character recognition. Background technique [0002] At present, the recognition technology of handwriting input is applied to various communication terminals and information processing terminals; this type of terminal product usually has a touch handwriting fluorescent screen for writing, and the user can write on it with a pen or finger, and then through the identification of the terminal processing, generating corresponding characters to display on the terminal, and performing subsequent related operations. The recognition technology of handwriting input improves the speed and flexibility of input, so it is widely used. [0003] The current handwriting input recognition process is mostly divided into steps such as signal acquisition, preprocessing, feature extraction, and feature matching. Due to the large amount of calculati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06F3/041G06F3/048G06V30/224
CPCG06K9/00416G06K9/00422G06V30/347G06V30/36G06F18/2132
Inventor 高精鍊黄新春陈炳辉胡安进蔡沐宇陆华兴刘志玭王志爱郭方李景平王红辉谭春桃吴政维
Owner GUANGDONG GUOBI TECH
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