Probabilistic Inference for Occluded and Multiview On-road Vehicle Detection
Authors:
- Chao WangCWChao Wang
- Yongkun FangYFYongkun Fang
- Huijing ZhaoHZHuijing Zhao
- Chunzhao GuoCGChunzhao Guo
- Seiichi MitaSMSeiichi Mita
- Hongbin ZhaHZHongbin Zha
- 2 October 2015
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Intelligent Transportation Systems
- Vol. 17 (1) , 215-229
Abstract
Visual-based approaches have been extensively studied for on-road vehicle detection; however, it faces great challenges as the visual appearance of a vehicle may greatly change across different viewpoints and as a partial observation sometimes happens due to occlusions from infrastructure or scene dynamics and/or a limited camera vision field. This paper presents a visual-based on-road vehicle detection algorithm for a multilane traffic scene. A probabilistic inference framework based on part models is proposed to overcome the challenges from a multiview and partial observation. Geometric models are learned for each dominant viewpoint to describe the configuration of vehicle parts and their spatial relations in probabilistic representations. Viewpoint maps are generated based on the knowledge of the road structure and driving patterns, which provide a prediction of the viewpoints of a vehicle whenever it happens at a certain location. Extensive experiments are conducted using an onboard camera on multilane motor ways in Beijing. A large-scale data set that contains more than 30 000 labeled ground truths for both fully and partially observed vehicles in different viewpoints across various traffic density scenes is developed. The data set will be opened to the society together with this publication.Keywords
Funding Information
- Hi-Tech Research and Development Program of China (2012AA011801)
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