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Monitoring a populated environment using single-row laser range scanners from a mobile platform
Huijing Zhao; Yuzhong Chen; Xiaowei Shao; Katabira, K.; Shibasaki, R.;
Robotics and Automation, 2007 IEEE International Conference on
10-14 April 2007
Page(s):4739
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4745
Abstract:
In this research, we proposed a system of detecting and monitoring pedestrians' motion trajectories at a populated and wide environment, such as exhibition hall, supermarket etc., using the horizontally profiling single-row laser range scanners on a mobile platform. A simplified walking model is defined to track the rhythmic swing feet at the ground level. Pedestrians are recognized by detecting the braided styles, which is a typical appearance that could discriminate the data of moving feet with other mobile and motionless objects. Two experiments are conducted. One is at the laboratory environment, the purpose of which is to examine the algorithm in details. Another is at an exhibition hall, a populated and wide environment, the purpose is to examine whether the system could be applied for practical needs. It is a big challenge, while the system did well. Pedestrians in the exhibition hall at the moment of measurement are detected. Their motion trajectories are extracted, and associated to the background map, which is made of the motionless objects, and covers the whole exhibition hall.
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