Study on visible light indoor positioning method based on barycenter estimation in the common area of the illumination ranging circles

doi:10.13741/j.cnki.11-1879/o4.2019.05.009

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Study on visible light indoor positioning method based on barycenter estimation in the common area of the illumination ranging circles

更新时间：2025-09-01

- Study on visible light indoor positioning method based on barycenter estimation in the common area of the illumination ranging circles
- Vol. 45, Issue 5, Pages: 557-561(2019)
- 作者机构：
  
  1:西华师范大学电子信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13741/j.cnki.11-1879/o4.2019.05.009
  CLC：
- Published：2019
- 稿件说明：
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Study on visible light indoor positioning method based on barycenter estimation in the common area of the illumination ranging circles[J]. 2019, 45(5): 557-561.
DOI：

Study on visible light indoor positioning method based on barycenter estimation in the common area of the illumination ranging circles[J]. 2019, 45(5): 557-561. DOI： 10.13741/j.cnki.11-1879/o4.2019.05.009.

摘要

基于点光源照度函数测距原理

提出了一种利用相对照度测距圆重叠区重心估计的定位方法。通过探测器与光源投影点的照度比来测量探测器与光源投影点之间的距离

并建立以投影点为圆心的测距圆方程;将三测距圆的公共重叠区域的重心作为探测器位置的估计值

求出该公共重叠区域重心位置即可实现定位;实验中以LED模拟点光源

采用所提出的方法

定位误差约为3.51cm。实验验证了本方法可实现快速、精确地室内定位。

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