Old people stumbling detection method based on handset
A detection method and mobile phone technology, applied to computer parts, instruments, character and pattern recognition, etc., can solve problems such as low accuracy and real-time performance, single fall algorithm, and long learning time, so as to avoid over-fitting phenomenon , Improve the speed of training, improve the effect of recognition rate
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[0023] see figure 1 , in the embodiment of the present invention, step 1): the collected sensors include the information of the three-axis acceleration sensor and the gyroscope sensor of the mobile phone. Three-axis acceleration sensor: When the human body moves, it will generate acceleration in three orthogonal directions. The change value of these accelerations can be used to judge the change of the body posture, as the basis for judging whether the human body has fallen. The gyro sensor can obtain the angular acceleration in three directions. Through integration, the posture angle of the moving human body can be accurately determined, and the fall can be judged by obtaining the change of the human body posture angle through the gyro sensor;
[0024] Step 2): Decompose the collected three-axis acceleration and angular acceleration information using the discrete wavelet filter decomposition algorithm method, decompose the three-axis acceleration and angular acceleration into ...
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