Abstract
To develop the dynamic monitoring algorithm of visual safety distance in highway, by using the highway video traffic monitoring system, the research platform of four kinds of terrain environment in plateau, mountainous area, plain and coastal area is established. Results show that through the contrast between the sample data and visibility train of thought, based on the theory of mathematical morphology, expressway visibility dynamic monitoring image information system can be established. Based on the theory of the measurement of the basic formula of visibility, the dynamic model of the optimization is established, set up 200 meters distance visual observation target system, research visual range detection algorithm process.
Highlights
Fog is one of the most serious traffic accidents caused by highway disastrous weather
The highway traffic accidents caused by heavy fog occurred frequently
Research on digital video camera provides distance measurement based on the new principle and method, and the way to obtain the target information is basically consistent with the observation of the human eye [1] [2]
Summary
Fog is one of the most serious traffic accidents caused by highway disastrous weather. The highway traffic accidents caused by heavy fog occurred frequently. Research on digital video camera provides distance measurement based on the new principle and method, and the way to obtain the target information is basically consistent with the observation of the human eye [1] [2]. The aim of this paper is to solve the problem of monitoring the visibility distance of 200 meters. According to the basic formula of photography measurement of visibility, to obtain the optimum value of the visibility calculation model, to make full use of the high density of highway traffic video camera device, a dynamic monitoring algorithm for visual safety distance of freeway is proposed
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