Abstract
To realize the smart car's automatic path tracing along the different types of path, a smart path tracing car based on car model is developed. In the design of the smart path tracing car, image processing affects the smart car's per- formance directly. This article adopts direct acquisition, direct edge detection algorithm and the improved edge detection algorithm to analyze and compare the road message acquired by COMS camera. Plenty of experiment data show that, un- der different light intensity, the edge detection algorithm can acquire image with better accuracy and efficiency, solving the contradiction between the system's rapidity and stability, and realizing the smart car's running along the guide curve stably and rapidly.
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