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Geographic information search and navigation system based on visual field of users

A geographic information and navigation system technology, applied in road network navigators, electrical digital data processing, special data processing applications, etc., can solve the problem that information cannot be automatically screened out, and achieve the effect of convenient expansion and high scalability

Inactive Publication Date: 2011-08-10
BEIJING DIGITAL HAIL TECH
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention is to provide a geographical information retrieval and navigation system based on the user's field of view to solve the above-mentioned problem that the information cannot be automatically filtered out according to the user's current position

Method used

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  • Geographic information search and navigation system based on visual field of users
  • Geographic information search and navigation system based on visual field of users
  • Geographic information search and navigation system based on visual field of users

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Embodiment Construction

[0032] In order to clearly illustrate the solutions in the present invention, preferred embodiments are given below and detailed descriptions are given in conjunction with the accompanying drawings.

[0033] see figure 1 , The system of the present invention mainly includes a GIS data acquisition module, a GIS data storage and cache module, a user module, a user attitude acquisition module, a virtual information superposition module and a navigation module.

[0034] These modules are respectively integrated in the data center server and the navigation processing module, and may also be partly integrated in the mobile client. For example, the GIS data collection module, GIS data storage and cache module, and user module are integrated in the data center server, and the user posture collection module, virtual information superposition module and navigation module are integrated in the navigation processing module. The functions of each module are described in detail below.

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Abstract

The invention discloses a geographic information navigation system based on a visual field of users, which comprises a data center server, a navigation processing module and a mobile client side, wherein the data center server is used for storing control programs of the system and extracting GIS (geographic information system) data from internet or self-stored data according to current GPS (global positioning system) coordinates and displaying to the users and includes GIS data acquisition module, GIS data storage and buffer module and a user module; the navigation processing module is used for collecting orientation data of the users and displaying the collected data according to the GIS data display of the navigation module and includes a user posture acquisition module, a virtual information superposition display module and a navigation module. The system can directly calculate the scenery related information and navigation information in the visual field of the users through spatial projection and overlay and display on the visual field of an equipment screen, so that the users can obtain the information visually and efficiently.

Description

technical field [0001] The present invention relates to a navigation system, in particular to a geographic information retrieval and navigation system based on the user's visual field. Background technique [0002] The current navigation system and application products mainly include personal navigation devices, electronic maps and various specialized information websites, such as catering evaluation websites. With the popularity of the Internet, various navigation devices can be connected to the Internet and upload or download electronic data. [0003] At present, electronic products that use navigation, such as mobile phones, computers, car navigation and other products equipped with electronic maps, have problems such as low information integration and inconvenient user experience to varying degrees. For example, in an electronic map, only geographic information can be accessed, and other information related to a location in the electronic map (such as services provided ...

Claims

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Application Information

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IPC IPC(8): G01C21/26G06F17/30
Inventor 邓潇汪璞王志勇
Owner BEIJING DIGITAL HAIL TECH
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