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State recognition and distinguishing method, device, and terminal

A state recognition and state technology, applied in the direction of measuring devices, instruments, surveying and navigation, etc., can solve the problems of inaccurate step counting, calculation of walking distance, inaccurate monitoring of human body acceleration information, etc., and achieve the goal of improving step counting accuracy Effect

Inactive Publication Date: 2018-01-16
SHENZHEN DOZEN TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0003] In all kinds of pedometers, due to the drift and noise of the accelerometer itself, we cannot accurately monitor the acceleration information of the human body, which further causes us to be unable to accurately count steps, calculate walking distance and other information

Method used

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  • State recognition and distinguishing method, device, and terminal
  • State recognition and distinguishing method, device, and terminal
  • State recognition and distinguishing method, device, and terminal

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Embodiment Construction

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044] like figure 1 The flow chart of the method for state recognition and distinction of the present invention is shown. The present invention provides a method for state recognition and distinction, which belongs to the front-end algorithm of the pedometer, so that the accuracy of the back-end step counting process is higher. Specifically...

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Abstract

The invention provides a state recognition and distinguishing method, device, and terminal. The method includes: S100 acceleration original data acquisition; S101 acceleration original data filtering;S102 general state distinguishing according to a filtering reference value; S103 abnormal state distinguishing based on a motion characteristic value in the filtering reference value; and S104 step-counting processing. The invention adopts certain methods, like lowpass filtering, Kalman filtering, energy analysis, frequency analysis and the like to process the acceleration data and extract corresponding acceleration data characteristics. Then, corresponding acceleration information is utilized to judge whether the obtained information is an abnormal situation, if in an abnormal situation, step-counting detection can be carried out, otherwise data can be collected again. The treatment strategy can significantly improve the step-counting precision of a pedometer.

Description

technical field [0001] The invention relates to the field of step counting, in particular to a method, device and terminal for state recognition and distinction. Background technique [0002] According to the corresponding research, the traditional walking detection is based on the raw data of acceleration, which studies the characteristics of the human body when walking. Due to the development of Micro-Electro-Mechanical System (Micro-Electro-Mechanical System referred to as "MEMS"), based on the accelerometer, we can design The corresponding pedometer, in order to improve the accuracy of the pedometer, we need to analyze the raw data of the acceleration, the process of human walking is a periodic repetitive action. In order to detect the gait characteristics of the human body, there are different pedometers, some pedometers are required to be worn on the waist, and some pedometers are required to be worn on shoes. Some pedometers also include other features such as the ab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C22/00
Inventor 宋克克杨建国
Owner SHENZHEN DOZEN TECH CO LTD
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