Abstract
A new idea of an abandoned object detection system for road traffic surveillance systems based on three-dimensional image information is proposed in this paper to prevent traffic accidents. A novel Binocular Information Reconstruction and Recognition (BIRR) algorithm is presented to implement the new idea. As initial detection, suspected abandoned objects are detected by the proposed static foreground region segmentation algorithm based on surveillance video from a monocular camera. After detection of suspected abandoned objects, three-dimensional (3D) information of the suspected abandoned object is reconstructed by the proposed theory about 3D object information reconstruction with images from a binocular camera. To determine whether the detected object is hazardous to normal road traffic, road plane equation and height of suspected-abandoned object are calculated based on the three-dimensional information. Experimental results show that this system implements fast detection of abandoned objects and this abandoned object system can be used for road traffic monitoring and public area surveillance.
Highlights
With the rapid development of economy and trade, the number of road vehicles is increasing very fast
There are different kinds of abandoned objects on roads, but not all of them threaten traffic order and safety, so road abandoned objects can be classified into harmless abandoned objects and hazardous abandoned objects according to the threat they pose to traffic safety
Hazardous abandoned objects are abandoned objects which can threaten to traffic safety and normal traffic order
Summary
With the rapid development of economy and trade, the number of road vehicles is increasing very fast. In recent years this has led to the frequent appearance of road abandoned objects on roads. Abandoned objects reduce the efficiency of transportation, and cause potential safety problems to all traffic. Once an abandoned object is in the road, it may lead to economic losses and even cause loss of life, so it is very important to handle abandoned objects efficiently and in time. Harmless abandoned objects are abandoned objects which cannot threaten traffic safety or order. Hazardous abandoned objects are abandoned objects which can threaten to traffic safety and normal traffic order.
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