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User altitude measurement and virtual reality following method fused with nine-axis sensor

A nine-axis sensor and virtual reality technology, which is applied in the field of user attitude measurement and virtual reality follow-up with nine-axis sensor fusion, can solve problems such as loss and inability to rotate

Active Publication Date: 2016-11-09
NANJING RUIYUE INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gimbal lock: There is a problem when using Euler angles to rotate the viewing angle matrix. When the viewing angle matrix is ​​rotated to certain angles, one of the axes will be lost, so that it cannot be rotated in this direction

Method used

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  • User altitude measurement and virtual reality following method fused with nine-axis sensor
  • User altitude measurement and virtual reality following method fused with nine-axis sensor
  • User altitude measurement and virtual reality following method fused with nine-axis sensor

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Embodiment Construction

[0061] The present invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to this:

[0062] combine figure 1 , the hardware of the present invention depends on the head-mounted virtual reality device, including: a sensor module, a user interaction module, a display module, a data processing module, and a head-mounted structure, wherein:

[0063] The sensor module includes: three-axis gyroscope, three-axis accelerometer, three-axis magnetometer;

[0064] The user interaction module includes: touch screen, handle;

[0065] The display module includes: a liquid crystal display;

[0066] The data processing module includes: central processing unit, graphics card, memory;

[0067] The head-mounted structure provides a structure that allows the device to be fixed on the user's head and move with the user's gestures.

[0068] In some embodiments, the head-mounted virtual reality device is composed of ...

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Abstract

The invention discloses a user altitude measurement and virtual reality following method fused with a nine-axis sensor. The method is based on head-worn virtual reality equipment and includes the steps of sensor acquisition, attitude measurement and display. According to the sensor acquisition step, nine-axis data is acquired through a three-axis gyroscope, a three-axis accelerometer and a three-axis magnetometer; according to the attitude measurement step and the display step, a virtual world scene is adjusted through a visual angle matrix. According to the technical scheme, the method has the following advantages that when a user is static, data given by the sensor is zero, and no noise is generated; data of different sensors is fully utilized, and a correct user altitude is obtained; the visual angle of the virtual world is free of delay and is changed in real time along with the change of the altitude of the user; it is guaranteed that the user can observe the virtual reality world at any angle.

Description

technical field [0001] The invention relates to the field of virtual reality, in particular to a nine-axis sensor fusion user attitude measurement and virtual reality follow-up method. Background technique [0002] In the field of virtual reality, head-mounted virtual reality devices are usually used to display the virtual world and interact with users. There are many different solutions for head-mounted virtual reality devices, including using a smart phone with a corresponding virtual reality box, or Use an all-in-one box with a mobile operating system integrated, etc. No matter which solution is used, the head-mounted virtual reality device includes a display module, a user interaction module, and a sensor module. The sensor module is used to analyze the user's posture in the real world and apply it to the display module, so that the user can see the corresponding information through the display module. virtual scene. The accuracy and real-timeness of the calibration, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/01G06F3/0346G02B27/01
CPCG02B27/017G06F3/011G06F3/0346G06F2203/012
Inventor 张洋曹俊张琦
Owner NANJING RUIYUE INFORMATION TECH
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