The study of event recognition technology of ticket gate in urban railway traffic

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The study of event recognition technology of ticket gate in urban railway traffic

Qu, Ri / Bao, Yan-ru / Ren, Chang-ming

The intelligent recognition system is the core of the ticket gate in the urban railway traffic. Because sequences of events can be used to describe a motion process, this paper presents a method based on event recognition. Infrared sensors are used to detect actions, events and activities of motion units for a transit of passengers. In this paper, a motion unit refers to the person(s) or (and) object(s) that is (are) continuous in space and has (have) the same size as one person. When motion units pass through the walkway of the ticket gate, an action sequence is obtained. According to the predefined activities and events, the action sequence is converted into an event one. The number of the motion units is the number of the transit event pairs in the event sequence. For the event recognition technology, the number of motion units is taken as the number of passengers in the transit. In this paper, the simulation software called GS is developed in order to simulate transit and hardware, and to execute recognition algorithm. The recognition method is tested by using the simulation software. Moreover, a ticket gate with the event recognition technology is developed. Twenty persons pass the ticket gate one by one in 10 cycles in order to test the recognition technology. The results of experiments prove that the recognition method is effective. For the ticket gate, the recognition ratio and the passenger flow rate are increased.