AVR: Augmented Vehicular Reality

AVR: Augmented Vehicular Reality
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AVR:增强车辆现实

DOI:
10.1145/3210240.3210319
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发表时间:
2018
期刊:
and Services
影响因子:
--
通讯作者:
Govindan, Ramesh
Govindan, Ramesh
中科院分区:
--
文献类型:
--
作者:
Qiu, Hang;Ahmad, Fawad;Bai, Fan;Gruteser, Marco;Govindan, Ramesh

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今天的自动驾驶汽车原型配备了视线深度感知传感器,如3D摄像头。这些3D传感器用于提高自动驾驶中的车辆安全性,但由于遮挡、传感范围以及极端天气和照明条件,从根本上限制了可视性。为了提高可视性和性能,不仅针对自动驾驶汽车,也针对其他高级驾驶辅助系统(ADAS),我们探索了一种名为增强车辆现实(AVR)的功能。AVR通过使其能够与附近的其他车辆无线共享视觉信息来拓宽车辆的视觉视野,但需要设计新颖的相对定位技术、新的透视变换方法、隔离和预测动态对象的运动以隐藏延迟的方法以及科普无线带宽变化的自适应传输策略。我们证明,AVR使用现成的无线技术是可行的,并且它可以定性地改变自动驾驶车辆路径规划算法做出的决策。我们的AVR原型实现的定位精度在汽车长度和车道宽度的百分之几以内,并经过优化,以30 fps的速度处理帧。
Autonomous vehicle prototypes today come with line-of-sight depth perception sensors like 3D cameras. These 3D sensors are used for improving vehicular safety in autonomous driving, but have fundamentally limited visibility due to occlusions, sensing range, and extreme weather and lighting conditions. To improve visibility and performance, not just for autonomous vehicles but for other Advanced Driving Assistance Systems (ADAS), we explore a capability called Augmented Vehicular Reality (AVR). AVR broadens the vehicle's visual horizon by enabling it to wirelessly share visual information with other nearby vehicles, but requires the design of novel relative positioning techniques, new perspective transformation methods, approaches to isolate and predict the motion of dynamic objects in order to hide latency, and adaptive transmission strategies to cope with wireless bandwidth variability. We show that AVR is feasible using off-the-shelf wireless technologies, and it can qualitatively change the decisions made by autonomous vehicle path planning algorithms. Our AVR prototype achieves positioning accuracies that are within a few percent of car lengths and lane widths, and is optimized to process frames at 30fps.
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