Image Analysis and Rule-Based Reasoning for a Traffic Monitoring System

被引:232
作者
Cucchiara, Rita [1 ,4 ,5 ]
Piccardi, Massimo [2 ,4 ,6 ]
Mello, Paola [3 ,4 ]
机构
[1] Dipto. di Scienze dell'Ingegneria, Univ. di Modena e Reggio Emilia, 41100 Modena, Italy
[2] Dipartimento di Ingegneria, Università di Ferrara, 44100 Ferrara, Italy
[3] DEIS Università di Bologna, 40126 Bologna, Italy
[4] University of Bologna, Bologna, Italy
[5] Department of Computer Science, Faculty of Engineering, Univ. of Modena and Reggio Emilia, Modena, Italy
[6] Department of Computer Science, Faculty of Engineering, University of Ferrara, Ferrara, Italy
关键词
D O I
10.1109/6979.880969
中图分类号
学科分类号
摘要
The paper presents an approach for detecting vehicles in urban traffic scenes by means of rule-based reasoning on visual data. The strength of the approach is its formal separation between the low-level image processing modules (used for extracting visual data under various illumination conditions) and the high-level module, which provides a general-purpose knowledge-based framework for tracking vehicles in the scene. The image-processing modules extract visual data from the scene by spatio-temporal analysis during daytime, and by morphological analysis of headlights at night. The high-level module is designed as a forward chaining production rule system, working on symbolic data, i.e., vehicles and their attributes (area, pattern, direction, and others) and exploiting a set of heuristic rules tuned to urban traffic conditions. The synergy between the artificial intelligence techniques of the high-level and the low-level image analysis techniques provides the system with flexibility and robustness.
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页码:119 / 130
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