以影像為基礎之車輛偵測與計數系統

吳學良

doi:10.6844/NCKU.2011.02349

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以影像為基礎之車輛偵測與計數系統

Image Based Vehicle Detection and Counting System

吳學良 , Masters　　Advisor：王明習　　

繁體中文 DOI： 10.6844/NCKU.2011.02349

車輛偵測；交通監視；背景擷取；移動物件偵測； vehicle detection ； traffic monitoring ； background extraction ； motion object detection

Abstract │ Reference (31) │ Times Cited (4) │ Altmetrics

Abstract 〈TOP〉

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Vehicle detection and counting system is one of important issues of an intelligent transportation system (ITS). The system can be used to improve the managing efficiency of a traffic management system. In this research, a system called vehicle detection and counting system was proposed. It provides two operation scenarios; one is for day-time and another one is for nighttime. They used different methods for vehicle detection. The detected vehicles are classified as motorcycle and automobile. For the daytime subsystem, the width, length and area of the detected vehicle are applied as the features. According these features, the detected vehicles can be easily classified into the two classes. For the nighttime subsystem, the number of lighting area produced by the head lights of the vehicle is used as the features. The system used background—updated from the previous frame, subtraction method to extract those motion objects located on the current frame. The initial background frame is obtained by averaging a number of frames of the staring frames captured by camera. The testing videos captured from the real road, high way and general way; and the considered time includes in sunny, cloudy, rainy, and at night time had been applied to the proposed system. It shows that the detection rate for sunny and cloudy cases is more than 95%. It is more than 90% for both rainy and night time.

Reference ( 31 ) 〈TOP〉

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連結：
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連結：
[5]B. Coifman, D. Beymer, P. McLauchlan, and I. Malik, “A real-time computer vision system for vehicle tracking and traffic surveillance,” Transportation Research Part C:Emerging Technologies﹐Vol. 6﹐Issue 4, pp.271-288, 1998.
連結：
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連結：
[10]許芝華，“應用於交通監視系統上之及時車輛計數演算法”，國立成功大學電腦與通信工程研究所碩士論文，2007.
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