Motion state recognition method and system based on three-axis accelerometer

Abstract

The invention provides a motion state recognition method and system based on a three-axis accelerometer, which comprise a self learning stage and a practical application stage. The self learning stagecomprises the following steps: S10, acceleration data in the motion state of a person are acquired through the three-axis accelerometer; S20, the acquired acceleration data are subjected to motion type marking and signal processing; S30, an axis for data analysis is selected according to an x, y and z coordinate system of the three-axis accelerometer, and the axis for data analysis is subjected to feature extraction; and S40, the extracted features and the corresponding motion type mark are applied to a classifier to train a learning model. The practical application stage comprises the following step: S50, the three-axis accelerometer acquires the user data, steps S20 and S30 are repeated, the extracted features are inputted to the learning model, and a motion state recognition result anda step count result are obtained. The motion type of the user can be recognized, the step count can be calculated, and the accuracy is high.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a motion state recognition method and system based on a three-axis acceleration sensor. Background technique [0002] In recent years, wearable technology devices have become increasingly common, and various products have sprung up. At the same time, artificial intelligence technology has also been integrated into wearable devices to achieve more proactive services and smarter data analysis. , to bring better exercise advice and a healthier lifestyle to users. At present, smart shoes have appeared on the market, and their functions are basically limited to human body indicators, such as the measurement of temperature, humidity, weight, etc., as well as heating and dehumidification services and simple alarms, etc. , as a wearable smart device, its single function cannot meet the increasing needs of people. Contents of the invention [0003] In view of the above technical pr...

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Problems solved by technology

[0002] In recent years, wearable technology devices have become increasingly common, and various products have sprung up. At the same time, artificial intelligence technology has also been integrated into wearable devices to achieve more proactive services and smarter data analysis. , to bring better exercise advice and a healthier lifestyle to users. At present, smart shoes have appeared on the market, and their functions are basically limited to human body indicators, such as the measurement of temperature, humidity, weight, etc., as well as heating and dehumidification services and simple alarms, etc. , as a wearable smart device, its single function cannot meet the increasing needs of people

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