Lane Detection and Estimation from Surround View Camera Sensing Systems
2023 IEEE SENSORS(2023)
摘要
Autonomous driving poses unique challenges for vehicle environment perception systems. It is highly desirable that we utilize existing vehicle-equipped driver-assistant sensors, without hardware change, to achieve driverless performance. Current product level vehicle surround view camera module (denoted concisely as SVS) is served as a panoramic view visual aid tool for low-automation applications. With proper statistical analysis, the multiple mono-camera information can be very useful for higher vehicle intelligence without significant hardware change. In this study, we focus on lane detection and estimation from a SVS only system. The major difficulty lies in the fact that mono-cameras of the SVS are non-cooperative and essentially of protractor nature; this would lead to large uncertainty on object depth information and incomplete lane observations. We process the highly distorted data in a multi-stage manner. We first utilize a neural network classifier to yield labeled lane-relevant objects. The lane marks/edges point clouds are processed by a truncated Gaussian random field model for the spatial filtering and a fading memory model for the temporal filtering. Then we present polynomial fitting scheme and a statistical analysis of the fitting errors reveals good lane and ego-vehicle orientation cues. In a parking lot real world study, we show promising lane detection and estimation performance of significant practical implications for lane keeping capability in high-automation applications.
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关键词
lane detection and estimation,surrounding vision,goodness-of-fit
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