Mr. Mujie Lu Profile

Mujie Lu

at Southeast Univ

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Proceedings Article | 3 December 2015 Paper

Development and application of traffic flow information collecting and analysis system based on multi-type video

Mujie Lu, Wenjie Shang, Xinkai Ji, Mingzhuang Hua, Kuo Cheng

Proceedings Volume 9794, 97941G (2015) https://doi.org/10.1117/12.2201060

KEYWORDS: Video, Roads, Intelligence systems, Cameras, Video processing, Error analysis, Photography, Software development, Optical flow, Data acquisition

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Nowadays, intelligent transportation system (ITS) has already become the new direction of transportation development. Traffic data, as a fundamental part of intelligent transportation system, is having a more and more crucial status. In recent years, video observation technology has been widely used in the field of traffic information collecting. Traffic flow information contained in video data has many advantages which is comprehensive and can be stored for a long time, but there are still many problems, such as low precision and high cost in the process of collecting information. This paper aiming at these problems, proposes a kind of traffic target detection method with broad applicability. Based on three different ways of getting video data, such as aerial photography, fixed camera and handheld camera, we develop a kind of intelligent analysis software which can be used to extract the macroscopic, microscopic traffic flow information in the video, and the information can be used for traffic analysis and transportation planning. For road intersections, the system uses frame difference method to extract traffic information, for freeway sections, the system uses optical flow method to track the vehicles. The system was applied in Nanjing, Jiangsu province, and the application shows that the system for extracting different types of traffic flow information has a high accuracy, it can meet the needs of traffic engineering observations and has a good application prospect.

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