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End-to-end Learning for Inter-Vehicle Distance and Relative Velocity Estimation in ADAS with a Monocular Camera

2020-06-07 08:18:31
Zhenbo Song, Jianfeng Lu, Tong Zhang, Hongdong Li

Abstract

Inter-vehicle distance and relative velocity estimations are two basic functions for any ADAS (Advanced driver-assistance systems). In this paper, we propose a monocular camera based inter-vehicle distance and relative velocity estimation method based on end-to-end training of a deep neural network. The key novelty of our method is the integration of multiple visual clues provided by any two time-consecutive monocular frames, which include deep feature clue, scene geometry clue, as well as temporal optical flow clue. We also propose a vehicle-centric sampling mechanism to alleviate the effect of perspective distortion in the motion field (\ie optical flow). We implement the method by a light-weight deep neural network. Extensive experiments are conducted which confirm the superior performance of our method over other state-of-the-art methods,in terms of estimation accuracy, computational speed, and memory footprint.

Abstract (translated)

URL

https://arxiv.org/abs/2006.04082

PDF

https://arxiv.org/pdf/2006.04082.pdf


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