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Most road marking detection systems use image processing to extract potential marking elements in their first stage. Hence, the performances of extraction algorithms clearly impact the result of the whole process. In this paper, we address the problem of extracting road markings in high resolution environment images taken by inspection vehicles in a urban context. This situation is challenging since...
This paper proposes an active steering assistance system that could act as lane departure avoidance and lane keeping system. The assistance has been designed initially for a lane departure avoidance purpose. In this paper the driver-assistance interaction is studied with the objective to allow a permanent system activation and hence a lane keeping functionality. The lane keeping performance of the...
Driving safety enhancement could be achieved by better understanding of risk situations from the knowledge of vehicle dynamic states as well as road geometry. Among the parameters of the road that have an impact on vehicle dynamics, one can find the bank and the slope angles, which can not however be measured by mean of low cost onboard sensors. This work of this paper is aimed to improve the controllability...
Driving safely can be achieved by the prevention of risky situations which may require the knowledge of vehicle dynamic state as well as road geometry. It is thus essential to have in real-time a good estimation of the related variables and parameters. Among the parameters of the road that are influencing vehicle longitudinal motion one can find the slope which can not be measured with reduced cost...
Main task in driving safety is the understanding and prevention of risky situations. While looking closer at the accidents data analysis, it appears that vehicle loss of control represents a huge part of car accidents. Preventing such kind of accidents, using assistance systems needs several type of information about vehicle state and vehicle-road interaction phenomenon. Longitudinal velocity, acceleration...
The main goal of this paper is to develop a time to line crossing (TLC) computation for onboard indicator development and control objective criterium. Different computational methods with increasing complexity are provided. For TLC computation, both straight and curved vehicle paths are considered. An observer is proposed for the estimation of the necessary variables. Finally some control methods,...
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