3D human-machine interaction method and system

摘要

Disclosed are a 3D human-machine interaction method and system. An electronic tag with an ID is configured for a hand; a Radio Frequency (RF) electromagnetic field containing a 3D virtual human-machine interface imaging space is configured; after the hand enters the RF electromagnetic field, information on the electronic tag on the hand is acquired; information on locations, moving velocities, moving directions, and moving tracks of each finger and a palm in the 3D virtual human-machine interface imaging space is acquired according to the acquired information on the electronic tag; the information on the locations is matched to a control or hot spot displayed in the 3D virtual human-machine interface imaging space; it is determined whether a movement of a finger and/or the palm matches a movement defined for touch control of the control or hot spot in the 3D virtual human-machine interface imaging space; and operation of the control or hot spot in the 3D virtual human-machine interface imaging space is triggered. According to the disclosure, naked-eye 3D human-machine interaction with accurate touch control may be implemented.

主权项

1. A 3D human-machine interaction method, comprising steps of: configuring an electronic tag with an ID for a hand; configuring a Radio Frequency (RF) electromagnetic field containing a 3D virtual human-machine interface imaging space;
after the hand enters the RF electromagnetic field, acquiring information on the electronic tag on the hand; acquiring coordinates, moving velocities, moving directions, and moving tracks of a finger and/or a palm part in the 3D virtual human-machine interface imaging space according to the acquired information on the electronic tag; matching the coordinates to a control or hot spot displayed in the 3D virtual human-machine interface imaging space; determining whether a movement of the finger and/or the palm part matches a movement defined for touch control of the control or hot spot in the 3D virtual human-machine interface imaging space; and when the movement of the finger and/or the palm part matches the movement defined for touch control of the control or hot spot, triggering operation of the control or hot spot in the 3D virtual human-machine interface imaging space, wherein the step of acquiring information on the electronic tag on the hand comprises steps of: performing contactless RF signal coupling of a Radio Frequency Identification (RFID) read-write module in a terminal and the electronic tag through a coupling element; transferring energy and exchanging data between the RFID read-write module and the electronic tag within a coupling channel; and after the data exchange, acquiring, by the terminal, the information on the electronic tag on the hand, wherein the step of acquiring, by the terminal, the information on the electronic tag on the hand comprises steps of: when the contactless RF signal coupling of the RFID read-write module and the electronic tag is performed inductively, converting a change in a distance between an antenna of the RFID read-write module and an antenna of the electronic tag into a change in an antenna voltage or an antenna current; and acquiring the information on the electronic tag by: modulating, by a processing module of the terminal, the antenna voltage of the electronic tag and demodulating the antenna voltage of the RFID read-write module according to resistive load modulated data information transfer.