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Indoor and outdoor seamless positioning switching method based on scene classification

A technology for indoor and outdoor positioning and scene classification, which is applied in the field of seamless switching to achieve the effect of improving the accuracy of mixed positioning

Inactive Publication Date: 2014-12-03
NANJING UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the immature development of indoor positioning technology, the issue of indoor and outdoor switching has not received much attention. However, in future practical applications, the smooth switching of positioning services in indoor and outdoor environments is the key to supporting intelligent location services.

Method used

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  • Indoor and outdoor seamless positioning switching method based on scene classification
  • Indoor and outdoor seamless positioning switching method based on scene classification
  • Indoor and outdoor seamless positioning switching method based on scene classification

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings.

[0037] Such as figure 1 and figure 2 As shown, an indoor and outdoor seamless positioning switching method based on scene classification includes the following steps in turn:

[0038] 1) Periodic indoor and outdoor positioning information collection: The indoor and outdoor positioning systems of the mobile terminal independently and periodically report the current position information to the decision-making unit of the mobile terminal, and the outdoor positioning system provides current latitude and longitude information based on GPS / Beidou hybrid positioning. The indoor positioning system is based on the RFID tag information within the detection range of the RFID detector;

[0039] 2) Decision-making and collection of visual scene information: According to the positioning information collected by the indoor and outdoor positioning system of the mobile terminal, the...

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Abstract

The invention discloses an indoor and outdoor seamless positioning switching method based on scene classification. Real-time indoor and outdoor positioning information is collected periodically through a mobile terminal first, current scene information is then collected through a vision sensing part of the mobile terminal, finally a decision-making process of indoor and outdoor positioning switching is completed through the mobile terminal in cooperation with a vision scene classifier, the confidence degree of the indoor and outdoor positioning information is determined according to a decision-making result of the classifier, indoor and outdoor seamless switching is achieved, and a switching result is fed back and evaluated by users. According to the method, indoor and outdoor scene classification strategies are introduced, so that effective switching of indoor and outdoor positioning modes is achieved, vision scene information is collected through a user terminal, an efficient indoor and outdoor switching decision-making mechanism is established, multiple indoor and outdoor positioning systems are integrated, and hybrid positioning accuracy is greatly improved.

Description

technical field [0001] The invention belongs to the field of communication positioning, and in particular relates to a method for optimizing the switching decision-making mechanism of an indoor and outdoor joint positioning system, which is beneficial to improving the mixed indoor and outdoor positioning accuracy and realizing a seamless switching method for indoor and outdoor positioning. Background technique [0002] The seamless positioning switching technology is to jointly adopt different positioning technologies to achieve seamless coverage of various positioning applications, and at the same time ensure the smooth transition and seamless connection of positioning technologies, positioning algorithms, positioning accuracy and coverage in various scenarios. [0003] Traditional outdoor positioning systems are mainly based on satellite positioning. [0004] Satellite-based positioning technology is a technology that uses space satellite constellations to measure the dist...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W64/00G01S5/02G06F17/30
Inventor 叶芝慧陈家伟潘礁冯奇
Owner NANJING UNIV
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