Position positioning retrieval device and method

A technology for retrieving information and current location, applied in positioning, measuring device, navigation and other directions, can solve the problems of difficult large-scale application, high cost of location positioning, inability to provide users with clear, accurate and convenient location information and surrounding scene information, etc. Conducive to popularization, enhanced experience, and reduced costs

Active Publication Date: 2010-01-06
LENOVO (BEIJING) CO LTD
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  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a location location retrieval device and method for solving the problems in the prior art that the cost of location location is h

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  • Position positioning retrieval device and method
  • Position positioning retrieval device and method

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Embodiment Construction

[0014] In order to make the purpose, technical features and implementation effects of the present invention clearer, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] The present invention proposes a low-cost technical solution, which intuitively combines and superimposes the map data and the user's current shooting picture or video signal, so that the user can obtain a detailed description of the surrounding scenes of the current location, and further, through the focal length of the camera The change narrows the scope of search and helps users locate accurately.

[0016] Such as figure 1 As shown, it is a preferred embodiment of a position location retrieval device in the present invention, including:

[0017] The positioning module 101 is used to obtain the current location of the location retrieval device, that is, to obtain the three-dimensional coordinates of...

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Abstract

The invention provides a position positioning retrieval device and a position positioning retrieval method. The device comprises a spatial retrieval information module for acquiring spatial retrieval information of a current position in a three-dimensional space, an image acquisition module for acquiring focusing range information in a current focusing range and intercepting a scene in the focusing range to form a selected image according to the spatial retrieval information, a map data query module for searching map data accordant with the spatial retrieval information and the focusing range information according to the spatial retrieval information and the focusing range information, and a description information projection module for projecting the map data obtained by the map data query module onto the selected image. Due to the application of the technology provided by the invention, expensive unit modules are not adopted any longer, thus the cost of the retrieval device is reduced and further the retrieval device is favorably popularized; and at the same time, display granularities of the position information and the position description information are regulated according to the focusing range, so that clear and accurate position information and position description information of the surrounding scenes are timely and conveniently provided to users and the experiences of the users are enhanced.

Description

technical field [0001] The present invention relates to position positioning technology, in particular to a position positioning retrieval device and method. Background technique [0002] At present, with the expansion of people's travel range, the need for location positioning technology has become more and more. It is very cumbersome and difficult for users to know the destination in a new environment without knowing the destination. [0003] In the prior art, the global positioning system (GPS, Global Positioning System) is usually used for positioning services. Due to the limitation of the display capability of GPS equipment, users need to accurately define multiple sets of keywords, query the database module, and manually select to obtain Possible alternative information. However, due to the limitation of input and user retrieval ability, it becomes a very time-consuming and skillful work to comprehensively search for surrounding targets. Moreover, a considerable numb...

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Application Information

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IPC IPC(8): G01C21/00G01S5/02G01S1/02G06F17/30
Inventor 于辰涛
Owner LENOVO (BEIJING) CO LTD
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