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Model-based vehicle detection and classification using orthographic approximations

Sullivan, G.D., Baker, K.D., Worrall, A.D., Attwood, C.I. and Remagnino, P.R. (1996) Model-based vehicle detection and classification using orthographic approximations. In: 7th British Machine Vision Conference, 9-12th September 1996, The University of Edinburgh, Edinburgh UK.

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This paper reports the current state of work to simplify our previous model-based methods for visual tracking of vehicles for use in a real-time system intended to provide continuous monitoring and classification of traffic from a fixed camera on a busy multi-lane motorway. The main constraints of the system design were: (i) all low level processing to be carried out by low-cost auxiliary hardware, (ii) all 3-D reasoning to be carried out automatically off-line, at set-up time. The system developed uses three main stages: (i) pose and model hypothesis using 1-D templates, (ii) hypothesis tracking, and (iii) hypothesis verification, using 2-D templates. Stages (i) & (iii) have radically different computing performance and computational costs, and need to be carefully balanced for efficiency. Together, they provide an effective way to locate, track and classify vehicles.

Item Type:Conference or Workshop Item (Paper)
ID Code:213

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