Method for identifying user action and intelligent mobile terminal
A user and action technology, applied in the field of human-computer interaction, can solve problems such as poor user experience, limited range of user actions, and high requirements for equipment posture
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[0087] The main concept of the present invention is: for the problems existing in the existing sensor-based user action recognition scheme, the embodiment of the present invention collects user action data in advance for training, obtains feature extraction parameters and template symbol sequences, and uses the feature extraction parameters to reduce the test The data dimension of the data sequence (for example, reducing the three-dimensional acceleration data to one dimension), compared with the existing scheme of directly operating on the collected high-dimensional data to identify, removes noise, reduces computational complexity and Requirements for device posture when the user performs an action. Furthermore, by symbolizing the reduced-dimensional low-dimensional data sequence into a string sequence, the noise in the data sequence can be further removed, the amount of calculation can be reduced, and the recognition accuracy can be improved. Finally, the character string se...
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