Chapter
Apr 26, 2012
A New Video-Based Approach to Extract Traffic State Parameters for Traffic Surveillance
Publication: International Conference on Transportation Engineering 2007
Abstract
Vision-based sensors for traffic surveillance have attracted more attention because of their area sensing ability and flexibility. Conventional methods can be implemented into three steps: selection of regions of interesting (ROI), vehicle detection and vehicle tracking. Possible questions brought by these methods are time costuming and lack of robustness. Different from previous research, a new method based on wavelet transform is proposed. One dimension data set is generated from ROI of one frame in video. Vehicle edge is acquired from characterization of signals from wavelet transform. Then combined geometry characterization and a dynamic criterion using histogram-based method are proposed to eliminate all unwanted shadow. Speed of vehicles is obtained based on detective lines and minimum boundary rectangle (MBR). Experimental results show that the proposed method is more robust and accurate than traditional methods.
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© 2007 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Detection methods
- Engineering fundamentals
- Equipment and machinery
- Highway transportation
- Infrastructure
- Mathematical functions
- Mathematics
- Measurement (by type)
- Methodology (by type)
- Parameters (statistics)
- Probe instruments
- Sensors and sensing
- Statistics
- Tracking
- Traffic engineering
- Traffic management
- Traffic surveillance
- Transportation engineering
- Vehicles
- Wavelets
Authors
Affiliations
Department of Automation, Tsinghua University, Beijing, China, 100084. E-mail: [email protected]
Department of Automation, Tsinghua University, Beijing, China, 100084. E-mail: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.