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This paper proposes the standardized testing methodologies for embedded pavement status sensors based on the road weather meteorological environment monitoring and service requirements. A large number of possible testing procedures were developed for measuring pavement surface temperature, sensor moisture state and the water film thickness. In a year and a half of the time, three factory embedded...
RWIS (Road Weather Information System) data is integral to assisting transportation agencies in making critical maintenance decisions. In China, road weather sensors are occupied by foreign products, especially pavement sensors. Standardized testing methodologies for pavement sensors are limited, because of the lack of a large number of meteorological data. By reviewing previous research regarding...
This paper proposes a real-time traffic sign detection system. In order to extract accurately the shape feature of the traffic sign, reduce the computational load and further improve the traffic sign detection rate, a novel approach based on surround suppression of texture edges and cascade detector is presented. The principle of surround suppression mainly adds a computational step to the canny edge...
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