Intelligent tooth brushing process evaluation method

An evaluation method and intelligent technology, applied in the recognition of patterns in signals, navigation through speed/acceleration measurement, data processing applications, etc., can solve problems such as inability to achieve good results, and achieve improved user brushing effect, more accurate and more reliable The effect of data foundation and good scalability

Active Publication Date: 2018-11-13
ZHEJIANG UNIV CITY COLLEGE
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  • Claims
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Problems solved by technology

However, this coarse-grained decision rule cannot achieve good results in the analysis and evaluation of the toothbrushing process, especially when brushers with different characteristics have different toothbrush motion states

Method used

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  • Intelligent tooth brushing process evaluation method
  • Intelligent tooth brushing process evaluation method

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the examples. The description of the following examples is provided only to aid the understanding of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0024] The invention provides a method for fine-grained intelligent analysis and evaluation of toothbrushing behaviors of brushers based on machine learning. It mainly uses the numerical values ​​of gyroscope and pressure sensor to train a random forest toothbrushing evaluation model, and uses this model to predict and evaluate the toothbrushing effect and give feedback to users.

[0025] This method of evaluating the toothbrushing process requires the support o...

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Abstract

The invention relates to an intelligent tooth brushing process evaluation method, which comprises the following steps that: 1) tracking a tooth brushing process of a standard Bass tooth brushing method, and collecting a denoising signal output by a GY-521 gyroscope in an electric toothbrush; 2) checking a data interval preprocessed and labeled in S1), and if the interval time of data is shorter than t seconds, according to the time interval of t seconds, solving a mean value in the period of time; 3) training an evaluation model based on a random forest; and 4) preprocessing the data of a person who brushes teeth according to a sensor data processing method in S1), and using a trained random forest model to classify the toothbrush state of the person who brushes teeth at different moments.The method has the beneficial effects that a machine learning method is adopted to classify the tooth state of the toothbrush in each time slice in a user tooth brushing process, the tooth brushing state of the user at different moments in the tooth brushing process can be predicted, and the tooth cleaning state and strength of the user at different moments can be accurately judged.

Description

technical field [0001] The invention relates to a method for evaluating the brushing process through the state of the toothbrush, which mainly uses the toothbrush movement state information obtained by the intelligent electric toothbrush to intelligently analyze and evaluate the toothbrush process of the user. Background technique [0002] Brushing teeth is to use a toothbrush to remove dental plaque, soft dirt and food residues and to keep the oral cavity clean. It is also the most important means for people to self-remove bacterial plaque and prevent periodontal disease from occurring, developing and recurring. If the method of brushing teeth is not appropriate, not only will the purpose of brushing teeth not be achieved, but it will cause oral problems. Evaluating the toothbrushing process is an important part to help users improve their toothbrushing methods and improve their toothbrushing effect. In the prior art, motion acquisition devices such as acceleration sensors...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06K9/00G06K9/62G01C21/18
CPCG06Q10/06393G01C21/18G06F2218/04G06F2218/08G06F2218/12G06F18/24323
Inventor 郑增威王驰孙霖陈垣毅
Owner ZHEJIANG UNIV CITY COLLEGE
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