Movement tracking device for man-machine interaction and tracking method thereof

Abstract

The invention relates to a movement tracking device for man-machine interaction and a tracking method thereof. The invention comprises a movement tracking device and a target information processing device. The tracking method comprises the following steps of: (1) binding a micro inertial measurement unit and a specified-wavelength light source with a tested target; (2) transmitting target movement parameters to a target information processing system by the movement tracking device; (3) processing the acquired target movement information by the target information processing system; and (4) outputting accurate target movement information to a man-machine interaction interface through a target space coordinate and a movement posture information output interface. The invention provides the device and the tracking method thereof which can be applied to man-machine interaction, virtual reality, and enhancement of a real system and can effectively expand the movement tracking range.

Description

technical field

[0001] The invention relates to a motion tracking device and a tracking method applied in the fields of human-computer interaction, virtual reality and augmented reality. Background technique:

[0002] The main purpose of motion tracking technology is to track and feed back the position and motion changes of the target in real time, and obtain the corresponding motion characteristic data such as position, that is, the three-dimensional space positioning of the target and the acquisition of motion parameters. The methods of motion tracking are divided into: inertial tracking, optical tracking, force and mechanical tracking, electromagnetic tracking, acoustic tracking, etc. according to different sensing elements. At present, the commonly used motion tracking technologies in the field of human-computer interaction are inertial tracking technology and optical tracking technology. Inertial tracking technology, by setting an inertial measurement unit on the targe...

Examples

Embodiment 1

[0028] See attached picture.

[0029] The present invention includes a motion tracking device and a target information processing device 4, the motion tracking device includes a micro-inertial measurement unit 5, a specific wavelength light source 1 and a group of video acquisition devices 2, 3; the target information processing device 4 includes an inertial parameter extraction Unit 41, motion information calculation unit 42, image feature extraction unit 43, three-dimensional space positioning unit 44 and multi-sensor data fusion unit 45; the signal output end of the micro-inertial measurement unit 5 is connected to the signal input end of the inertial parameter extraction unit 41 ; The signal output end of the micro-inertial measurement unit 5 is connected to the signal input end of the inertial parameter extraction unit 41 through a wireless transceiver. The video signal output end of the video acquisition device 2,3 is connected with the signal input end of the image feat...

Embodiment 2

[0032] The structure of the device is the same as that described in Example 1. The tracking method is as follows:

[0033] (1) Binding the micro-inertial measurement unit 5 and the specific wavelength light source 1 to the measured target;

[0034] (2) The motion tracking device transmits the target motion parameters to the target information processing system 4;

[0035] The micro-inertial measurement unit 5 measures the inertial parameters of the target motion, and transmits the measured parameters to the inertial parameter extraction unit 41 of the target information processing system 4 in real time using a wireless transmitting device; The characteristic composition on the light source 1 of the specific wavelength is bound, and the collected characteristic composition is sent to the image feature extraction unit 43 .

[0036] (3) The target information processing system 4 processes the obtained target motion information;

[0037] Including the motion information solving...

technical field

[0001] The invention relates to a motion tracking device and a tracking method applied in the fields of human-computer interaction, virtual reality and augmented reality. Background technique:

[0002] The main purpose of motion tracking technology is to track and feed back the position and motion changes of the target in real time, and obtain the corresponding motion characteristic data such as position, that is, the three-dimensional space positioning of the target and the acquisition of motion parameters. The methods of motion tracking are divided into: inertial tracking, optical tracking, force and mechanical tracking, electromagnetic tracking, acoustic tracking, etc. according to different sensing elements. At present, the commonly used motion tracking technologies in the field of human-computer interaction are inertial tracking technology and optical tracking technology. Inertial tracking technology, by setting an inertial measurement unit on the targe...

Examples

Embodiment 1

[0028] See attached picture.

[0029] The present invention includes a motion tracking device and a target information processing device 4, the motion tracking device includes a micro-inertial measurement unit 5, a specific wavelength light source 1 and a group of video acquisition devices 2, 3; the target information processing device 4 includes an inertial parameter extraction Unit 41, motion information calculation unit 42, image feature extraction unit 43, three-dimensional space positioning unit 44 and multi-sensor data fusion unit 45; the signal output end of the micro-inertial measurement unit 5 is connected to the signal input end of the inertial parameter extraction unit 41 ; The signal output end of the micro-inertial measurement unit 5 is connected to the signal input end of the inertial parameter extraction unit 41 through a wireless transceiver. The video signal output end of the video acquisition device 2,3 is connected with the signal input end of the image feat...

Embodiment 2

[0032] The structure of the device is the same as that described in Example 1. The tracking method is as follows:

[0033] (1) Binding the micro-inertial measurement unit 5 and the specific wavelength light source 1 to the measured target;

[0034] (2) The motion tracking device transmits the target motion parameters to the target information processing system 4;

[0035] The micro-inertial measurement unit 5 measures the inertial parameters of the target motion, and transmits the measured parameters to the inertial parameter extraction unit 41 of the target information processing system 4 in real time using a wireless transmitting device; The characteristic composition on the light source 1 of the specific wavelength is bound, and the collected characteristic composition is sent to the image feature extraction unit 43 .

[0036] (3) The target information processing system 4 processes the obtained target motion information;

[0037] Including the motion information solving...

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