Site-Based Video System Design and Development (2012) / Chapter Skim
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Pages 79-81
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79 C h a p t e r 1 3 The aim of this project was to develop and validate a new observation tool for vehicle safety research -- an automated video tracking system, capable of wide-scale use, to captures vehicle trajectories, find traffic conflicts, and compute metrics such as time to collision. The concept design and system development took place with reference to the research agenda of SHRP 2.
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From page 80... ...
80 and that these were simply not observed. However, it seems reasonable to conclude that again the proportion of missing vehicles typically is very low.
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From page 81... ...
81 general, relating conflicts to crashes at a single site may have limited scope, unless crashes are sufficiently frequent there. To overcome this limitation, one research option involves recording conflict data at a single location or at a small number of locations.
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