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Data acquisition method and device for geomagnetic indoor positioning reference map

A technology for data collection and indoor positioning, which is applied in ground navigation and other directions, can solve the problems of unfavorable geomagnetic data collection, time-consuming and manpower consumption, and achieve the effect of saving manpower and time, simple structure and strong operability

Active Publication Date: 2015-06-03
GUANGZHOU YIDONG NETWORK TECH
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Problems solved by technology

[0004] At present, the geomagnetic sensing device used needs to complete the collection of indoor three-dimensional geomagnetic data under human remote control. Therefore, in the process of collecting a large amount of data, it needs to consume a lot of time and manpower, which is not conducive to the collection of a large amount of geomagnetic data.

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  • Data acquisition method and device for geomagnetic indoor positioning reference map
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  • Data acquisition method and device for geomagnetic indoor positioning reference map

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Embodiment Construction

[0051] The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0052] The invention discloses a method for collecting data of a geomagnetic indoor positioning reference map, such as figure 1 As shown, the method includes at least the following steps:

[0053] Obtain the spatial coordinate data of the graphic data of the indoor space to be collected and upload it to the database;

[0054] Select a point in the spatial coordinate data as the starting point, drive the data acquisition device to move in the indoor space to be collected, collect geomagnetic data values ​​and corresponding spatial coordinate values ​​on the moving path, and use the geomagnetic data values It is bound with the spatial coordinate value and uploaded to the database; a certain number of known points (at least one) can be laid out according to the complexity of the ...

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Abstract

The invention provides a data acquisition method and device for a geomagnetic indoor positioning reference map. The method comprises the following steps: acquiring spatial coordinate data in an acquisition indoor space and uploading the data to a data base; selecting a point in the spatial coordinate data as a starting point, driving the data acquisition device to move in the acquisition indoor space and acquiring a geomagnetic data value on a movement path and a corresponding spatial coordinate value, and binding and uploading the geomagnetic data value and the spatial coordinate value to the data base; predetermining a geomagnetic data threshold value, and when the geomagnetic data value is greater than the geomagnetic data threshold value, marking the geomagnetic data value as an abnormal geomagnetic data value. The data acquisition method and device for the geomagnetic indoor positioning reference map provided by the invention can be used for automatically acquiring three-dimensional geomagnetic data information in indoor space so as to provide a matched reference map for geomagnetic indoor positioning, so that the geomagnetic data in the indoor space are relatively efficiently and intelligently acquired.

Description

technical field [0001] The invention belongs to the field of indoor three-dimensional geomagnetic data acquisition, in particular to a method and a device for acquiring data of a geomagnetic indoor positioning reference map. Background technique [0002] The development of smart cities is bound to consider indoor space information, but now there is very little indoor information, which hinders the development of smart cities. The perfect integration of indoor and outdoor information is the development trend of smart cities. Because most users spend 87-90% of their time indoors, GNSS signals cannot be directly acquired, and users cannot accurately locate indoors. Therefore, the acquisition of indoor location information is very important. Among many technologies that can provide indoor positioning information, the advantage of using geomagnetic positioning is that there is no need to deploy positioning information sources, the cost is low, and it is widely applicable to lar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/08
CPCG01C21/08
Inventor 黄鹤于广涛李晶邓南山常坤
Owner GUANGZHOU YIDONG NETWORK TECH
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