Robust Dynamic Indoor Visible Light Positioning Method Based on CMOS Image Sensor

被引:1
|
作者
Sun, Senzhen [1 ]
Li, Guangyun [1 ]
Gao, Yangjun [1 ,2 ]
Wang, Li [1 ,2 ]
机构
[1] Informat Engn Univ, Sch Geospatial Informat, Zhengzhou 450001, Henan, Peoples R China
[2] State Key Lab Geoinformat Engn, Xian 710054, Shaanxi, Peoples R China
来源
基金
国家重点研发计划;
关键词
CMOS image sensor - Complementary metal oxide semiconductors - High-precision - Light positioning - Positioning methods - Realtime imaging - Recognition methods - Rolling shutters - Semiconductor imaging - Visible light;
D O I
10.14358/PERS.21-00077R3
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
A real-time imaging recognition and positioning method based on visible light communication flat light source is proposed. This method images the visible light communication flat light source through the rolling shutter effect of the complementary metal-oxide semiconductor imaging sensor and obtains the rectangular area outline of the light source. The light and dark stripe information of image with the digital image processing method realizes light source matching recognition by defining the concept, the autocorrelation sequence, which can be used to obtain the identity of the light source, and the rectangular vertex coordinate information of flat light source achieves high-precision vision positioning on the basis of inertial measurement unit attitude sensor-assisted imaging. Simultaneously, the corresponding positioning module is developed for positioning testing. The test results indicate that the plane positioning error is less than 4.5 cm, and the positioning frequency is greater than 10 Hz, which provides a high-precision visual positioning solution for indoor positioning.
引用
收藏
页码:333 / 342
页数:10
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