Light intensity based location method and system

Abstract

The invention discloses light intensity based location method and system. The location system comprises an illuminating system, a sensing feedback device and a location module, wherein the illuminating system comprises at least three point light sources and can adjust the illumination of the point light sources in sequence to illuminate a target object, the sensing feedback device is configured on the target object and used for collecting illumination information of light of the illuminating system and illuminating the target object, and the location module can calculate the distance between each point light source and the target object according to the illumination information and calculate the located position of the target object according to the positions of the point light sources and the distance between each point light source and the target object. Therefore, as long as the sensing feedback device is put on the target object, the location system of the invention can calculate the position of the target object and adjust the position and the illumination of the illuminating system according to the position of the target object.

Description

technical field [0001] The present invention relates to a positioning method and system, and in particular to a positioning method and system based on light intensity. Background technique [0002] The current positioning technology can be divided into two types: outdoor positioning and indoor positioning. Among them, the most commonly used outdoor positioning technology is the Global Positioning System (Global Position System, GPS). GPS has been widely used in mobile devices, and it can be used outdoors. Any place that can receive satellite signals can locate the position of people or vehicles, and provide users with precise location information. The accuracy varies from a few meters to tens of meters depending on the hardware equipment. [0003] On the other hand, the current indoor positioning technology can be divided into two types: one is outside-in; the other is inside-out. Among them, the outside-in technology, for example, triangulates according to the strength of ...

AI Technical Summary

Problems solved by technology

[0004] However, since the indoor environment is a relatively small space compared to the outdoor environment, its pattern is relatively dense, so the accuracy requirements for the positioning system are higher

However, regardless of the above-mentioned outside-in or inside-out indoor positioning technology, the error is still quite large and cannot meet the accuracy requirements. Therefore, there is still no indoor positioning system that can be widely used by the public.

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