CSI phase difference-based gesture recognition system and recognition method

Abstract

The invention discloses a CSI phase difference-based gesture recognition system and recognition method, being characterized in that a wireless signal receiving terminal monitors a wireless channel, obtains data transmitted by a wireless signal transmitting terminal, and transmits the collected data to a server; the server performs analysis, preprocessing, phase calibration and real-time matching on the data acquired by the plurality of wireless signal receiving terminals, further gives a classification result, and sends the classification result to corresponding equipment through a network torealize control on the corresponding equipment; and meanwhile, the server can store an identification result in a local database of the server in a log form; and the identification result is used fordata analysis, data mining and query functions. The CSI phase difference-based gesture recognition system and recognition method can fully utilize the phase information and the multipath effect of theCSI and the spatial diversity of the MIMO system, can recognize the gesture action on the central link, can also recognize the weak gesture action far away from the central link, and can achieve dead-corner-free perception.

Description

technical field [0001] The invention relates to the field of wireless network and human behavior recognition, in particular to a gesture recognition system and recognition method based on CSI phase difference. Background technique [0002] With the development of human-computer interaction (HCI) technology, the perception and analysis of human behavior has become an important part of realizing higher-level human-computer interaction, especially the recognition and understanding of gestures and other body movements. In the field of human behavior recognition and human-computer interaction, the detection and recognition of human gestures plays a very important role in smart homes, virtual reality (VR) and immersive games. In the field of smart home, the detection of human gestures can realize the control of spaced furniture, saving users a lot of time and labor costs, and making home life more intelligent. At the same time, in virtual reality and immersive games, users can co...

AI Technical Summary

Problems solved by technology

The technical solution of the present invention aims at the weakness of the existing gesture recognition system based on CSI amplitude, solves the problem of weak signal recognition on the non-central link, especially the weak signal of human gestures, and gets rid of the central link between the wireless signal transmitting end and the receiving end Road limitation, make full use of the multipath effect and the spatial diversity of the MIMO system, can identify weaker signals in a wider coverage area, and is more universal, making the application range of gesture recognition based on CSI wider

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