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Method and device for recognition of character notation

A technology of notation and characters, applied in character recognition, character and pattern recognition, instruments, etc., can solve problems such as rearrangement of strokes is difficult, algorithms cannot be used well, etc.

Inactive Publication Date: 2004-07-28
MOTOROLA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of using such a scheme is that rearranging strokes is difficult and is often a source of error in recognition systems
Thus, the algorithms used for handwriting recognition on personal computers will not work well on most of these handheld devices

Method used

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  • Method and device for recognition of character notation
  • Method and device for recognition of character notation
  • Method and device for recognition of character notation

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Embodiment Construction

[0029] Next, a method for handwritten character recognition using a multi-resolution model will be explained. The present invention provides a novel technology for recognizing handwritten characters (such as Chinese or Japanese Kanji characters). It can write characters stroke by stroke or write characters with limited stroke continuity. High processing speed, suitable memory requirements and high accuracy. The present invention also solves the problem of changing the order of strokes and the number of strokes used to write the same character. The present invention explains how to export a character model set and a stroke model set, and use the character model set and the stroke model set to facilitate handwriting recognition.

[0030] In the preferred embodiment, the models for the characters are stored in a variable resolution manner. Characters are made as a combination of several strokes (that is, a set or sequence). It is convenient to imagine a character as, but not limited ...

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Abstract

A storage medium (72) having stored thereon a set of instructions, which when loaded into a microprocessor (74), causes the microprocessor (74) to extract strokes from a plurality of characters (76), derive a pre-defined number of stroke models based on the strokes extracted from the plurality of character (78) and represent the plurality of characters as sequences of stroke models (80).

Description

[0001] This application is a divisional application of the 99102716.7 patent filed in the Chinese Patent Office on February 9, 1999. Technical field [0002] The present invention generally relates to a method and apparatus for creating character representations for recognition. Background technique [0003] Asian languages ​​such as Chinese and Japanese have thousands of characters. In China, the character set used is simplified Chinese characters, and the National Standard (GB) coding standard defines approximately 6,800 characters. The GB coding standard defines two-byte codes for all simplified Chinese characters supported in today's computer systems. Where the character sets used in Taiwan and Hong Kong are traditional Chinese, the Big 5 coding standard defines nearly 13,000 Chinese characters. The Big 5 encoding standard defines two-byte codes for all traditional Chinese characters supported in today's computer systems. The Japanese Industrial Standard 208 (JIS 208) coding s...

Claims

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Application Information

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IPC IPC(8): G06V10/44G06V30/10
CPCG06K9/6857G06K9/4604G06K2209/01G06V10/44G06V30/2504G06V30/10
Inventor 卡南·帕塞萨拉斯
Owner MOTOROLA INC
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