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Method for carrying out panoramic positioning and orientation by utilizing mobile phone device sensor

A sensor and mobile phone technology, applied in the field of panoramic positioning, can solve problems such as mobile phone gyroscope drift, and achieve the effect of solving positioning and orientation problems

Inactive Publication Date: 2016-06-29
杭州映墨科技有限公司
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems existing in the background technology, the purpose of the present invention is to provide a method for panoramic positioning and orientation using mobile phone equipment sensors, which solves the problem of mobile phone gyroscope drift, and is used for the presentation of virtual reality scenes, and uses OPENGL_ES to open source The library realizes the rendering and development work of panoramic video and panoramic pictures

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  • Method for carrying out panoramic positioning and orientation by utilizing mobile phone device sensor
  • Method for carrying out panoramic positioning and orientation by utilizing mobile phone device sensor
  • Method for carrying out panoramic positioning and orientation by utilizing mobile phone device sensor

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Embodiments of the present invention are as follows:

[0030] In mobile phones with Android system, use the OPENGL_ES open source library to realize panoramic rendering and playback.

[0031] In the Android system, the gyroscope sensor is used to calculate the mobile phone relative to the initial position in the device coordinate system ( figure 1 ) the rotation angles on the three axes.

[0032] The data obtained by the gyroscope is the angular velocity of the mobile phone on the three axes of the device coordinate system. By integrating it over time, the angle of rotation of the mobile phone on the three axes can be obtained, and then through the built-in magnetometer and accelerometer of the mobile phone Combined to get in the world coordinate system ( figure 2 The orientation data in ) are used for correction.

[0033]...

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Abstract

The invention discloses a method for carrying out panoramic positioning and orientation by utilizing a mobile phone device sensor. The method comprises the following steps: collecting a rotation angles, on three axles of an equipment coordinate system, of a mobile phone body relative to an own initial position through a gyroscope built in a mobile phone, and acquiring data through a direction sensor built in the mobile phone so as to obtain direction data, in a word coordinate system, of the mobile phone body, and weighting and fusing the rotation angles and the direction data to carry out correction; generating corresponding textures according to the corrected visual direction data, rendering and displaying the corresponding textures to the inner surface of a VR ball model, putting a camera model at the center of the ball mode, taking the camera model as a human eyeball, taking the inner surface of the VR ball model as a display screen, and synchronously changing the camera orientation according to correction direction of mobile equipment. According to the method disclosed in the invention, the problem of mobile phone gyroscope drifting is solved, the problem of upside-down rotation of virtual VR world is solved, furthermore, the orientation of equipment can be smoothly and accurately positioned, and an immersion type impression effect of panoramic videos can be obtained.

Description

technical field [0001] The invention relates to a method for panoramic positioning, in particular to a method for using mobile phone equipment sensors to perform panoramic positioning and orientation. Background technique [0002] With the development of the virtual reality industry, there is an increasing demand for VR experiences on mobile terminals, such as VR games and panoramic video functions. 2015 is the hottest year in the field of domestic smartphones. Major domestic mobile phone manufacturers have launched many excellent products one after another, and these products have a common feature: equipped with Android intelligent system. [0003] According to general market surveys, smart systems account for the highest proportion of all mobile OSs. From the proportion of attention paid to the size of smartphones in 2015, it can be seen that the proportion of attention paid to 5-inch-5.5-inch mobile phones is the highest. The size range that works best. The mainstream r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/725G06F3/0346H04M1/72454
CPCG06F3/0346H04M1/72403H04M1/72454
Inventor 陈爱青曹江龙
Owner 杭州映墨科技有限公司
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