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Method and system for realizing line segmentation of written text in any direction

A technology of any direction and text line, applied in the field of handwriting recognition, can solve the problems of inability to perform effective segmentation, segmentation accuracy and practicability gap

Active Publication Date: 2019-04-05
IFLYTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method cannot effectively segment other more free writing methods, such as input according to any angle direction or the writing direction of each line is inconsistent, and there is still a certain gap in the accuracy and practicability of the segmentation.

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  • Method and system for realizing line segmentation of written text in any direction
  • Method and system for realizing line segmentation of written text in any direction
  • Method and system for realizing line segmentation of written text in any direction

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Embodiment Construction

[0118] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0119] Aiming at the limitations of the existing methods based on handwriting point projection histograms and the low accuracy of text line segmentation, the embodiment of the present invention provides a method and system for segmenting text lines written in any direction. Extracting text fragments sequentially from the text handwriting to form a text fragment sequence; then performing adjacent fragment merging on the text fragment sequence to obtain an effective text line sequence, and then determining the direction of each text line in the effective text line sequence to realize the cutting of the written text line point.

[0120] Furthermore, the inclination angle corresponding to the line of data can also b...

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Abstract

The invention belongs to the handwriting recognition technical field and discloses a method and system for realizing segmentation of text lines written in any directions. The method includes the following steps that: continuous handwritings are segmented into a text fragment sequence; merging processing is performed on the text fragment sequence according to merging probabilities of every two adjacent text fragments in the text fragment sequence; a text fragment sequence is obtained after the merging processing and is adopted as an effective text sequence; and text fragments in the effective text sequence are lined independently. The method and system of the invention can improve the accuracy rate of text line segmentation and realize support for arbitrary writing in any directions in a user writing area.

Description

technical field [0001] The invention relates to the technical field of handwriting recognition, in particular to a method and system for realizing line segmentation of text written in any direction. Background technique [0002] As a simple, convenient and efficient input method, handwriting recognition has changed the traditional keyboard mode based on complex coding or pinyin input, and provided convenient conditions for natural human-computer interaction. In recent years, with the rapid development of various information technologies, handwriting recognition applications have ushered in the era of large-screen touch screens, which has strongly supported the development of the handwriting recognition software market, and also put forward new requirements and challenges for recognition technology. Large-screen devices provide users with a better handwriting input mode, allowing users to complete input in the form of online full-screen multi-line handwriting input recognitio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/68G06K9/00
Inventor 胡金水竺博王智国胡郁刘庆峰
Owner IFLYTEK CO LTD