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- W1928382812 abstract "This paper is placed in the context of video traffic analysis. Typically, hundreds of cameras installed in cities produce a very large amount of data, impossible to handle without automatic processing. For helping traffic controllers to take their decisions, it is important to know in real time, the state of the traffic (number and speed of vehicles on each track segment) but also to have temporal statistics of these measures throughout the day, the week or the year. We can obtain such information by detection and tracking of moving objects in videos, which is a widely studied domain. Nevertheless, most of the automatic video analysis systems face many difficulties: occlusions, variation of the apparent size of objects, illumination changes, etc. In these difficult cases, traditional methods provide only partial trajectories of objects. Rather than trying to make these systems more robust for individual tracking, we propose to aggregate the partial data to build global information on the flow of vehicles in the scene. Specifically, we propose a method which, at first, automatically identifies input E i and output X j areas in the scene. Secondly, for each pair E i , X j , we record the number n i,j of vehicles that enter the scene in E i and leave it in X j ." @default.
- W1928382812 created "2016-06-24" @default.
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- W1928382812 date "2015-08-01" @default.
- W1928382812 modified "2023-09-25" @default.
- W1928382812 title "Detection of entry and exit zones in image sequences for automatic traffic analysis" @default.
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- W1928382812 doi "https://doi.org/10.1109/avss.2015.7301723" @default.
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