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- W2901230953 abstract "Human tracking has attracted extensive attention by using low-cost pyroelectric infrared sensor network in recent years. This paper presents a location ambiguity resolution and tracking method for human targets in wireless, distributed and binary infrared sensor network. The tracking system can detect the human targets in the detection space, and activate the sensor detection lines dynamically. A bearing-crossing location method is designed. The intersections of all activated detection lines are called primary measurement points for human location, and some of them are false measurement points. The ambiguity of this bearing-crossing location method is discussed and a two-level bearing-crossing algorithm is proposed based on quartic K-means clustering and joint cost function. For the first level, an anti-logic algorithm is designed to get the initial effective measurement points, then these points are assigned to different targets using K-means clustering. For the second level, the final effective points are obtained by using a special joint cost function, and they are assigned to different targets using K-means clustering once again to get the final locating results. The cost value is used as a weight to adjust the covariance parameter in Kalman filter for target tracking as well. The experimental results show that the average tracking error of human targets is less than 0.8 m in a 10 m × 10 m space, which verify the proposed location ambiguity resolution and tracking method." @default.
- W2901230953 created "2018-11-29" @default.
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- W2901230953 date "2019-01-01" @default.
- W2901230953 modified "2023-09-27" @default.
- W2901230953 title "Location ambiguity resolution and tracking method of human targets in wireless infrared sensor network" @default.
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- W2901230953 doi "https://doi.org/10.1016/j.infrared.2018.11.011" @default.
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