Mouth shape correction method and mouth shape correction system

A mouth shape and preset technology, applied in voice analysis, instrument, character and pattern recognition, etc., can solve problems such as lack of accuracy of mouth shape recognition

Inactive Publication Date: 2021-03-19
珠海读书郎网络教育有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] However, the recognition accuracy of existing schemes for lip-sync is still lacking

Method used

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  • Mouth shape correction method and mouth shape correction system
  • Mouth shape correction method and mouth shape correction system
  • Mouth shape correction method and mouth shape correction system

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Embodiment Construction

[0029] In order to describe the technical content, achieved goals and effects of the present invention in detail, the following descriptions will be made in conjunction with the embodiments and accompanying drawings.

[0030] The most critical idea of ​​the present invention is that the mouth shape image captured by the camera may be inaccurate due to the angle problem. From the perspective of the camera module, the mouth shape image taken when the face faces in different orientations must be different from the actual mouth shape, so that the subsequent Mouth shape comparison may cause misjudgment. Therefore, the relative face orientation angle between the user and the teaching equipment is limited by the sensing angle. The orientation angle has a certain allowable error space to ensure the accuracy of mouth shape recognition and reduce Misjudgment happens.

[0031] The present invention proposes a mouth shape correction method, comprising the following steps:

[0032] S1. St...

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Abstract

The invention provides a mouth shape correction method and a mouth shape correction system, face angle information is acquired in real time through a sensing module, the acquired face angle information is transmitted to a preset module in real time, and the face angle information is compared with preset sensing data in real time through the preset module. When and only when the absolute value of the coincidence degree of the two is smaller than the sensing allowable error value, subsequent steps are carried out, the mouth shape image obtained through shooting is possibly inaccurate due to theangle problem, the shot mouth shape image inevitably enters and exits from the actual mouth shape when the face is in different orientations from the view angle of the shooting module, and therefore subsequent mouth shape comparison may cause misjudgment. Therefore, the relative orientation angle of the face between the user and the teaching equipment is limited through the sensing angle, and theorientation angle has a certain allowable error space, so that the mouth shape recognition accuracy is ensured, and the occurrence of misjudgment is reduced.

Description

technical field [0001] The invention relates to a mouth shape correction method and a mouth shape correction system. Background technique [0002] In foreign language learning, mastering correct pronunciation is very important. For autonomous learning tools, how to enable the tool to recognize and correct the learner's pronunciation is one of the important functions. [0003] The self-learning tools currently on the market have two forms of this function: one is the passive type, which provides mouth-shaped pictures, allowing learners to imitate the mouth-shaped pictures in the picture to pronounce, but this form cannot correct the learners' misunderstanding. Correction; the other is the active type, which actively proposes mistakes by comparing the pronunciation of the learners with recordings. With such a feedback function, the learners can observe the mistakes and correct them in time. [0004] However, the recording effect is often affected by objective factors, result...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L25/51G09B5/04G06K9/00
CPCG10L25/51G09B5/04G06V40/166G06V40/171
Inventor 陈家峰
Owner 珠海读书郎网络教育有限公司
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