论文标题
这是一种方式：用于敏捷轨迹合成的差异贝叶斯过滤
This is the Way: Differential Bayesian Filtering for Agile Trajectory Synthesis
论文作者
论文摘要
自主赛车的主要挑战之一是在复杂的赛车课程中设计用于运动计划的算法。先前已经提出了端到端轨迹合成，其中根据赛车的摄像头图像计算自我车辆的轨迹。这是在使用行为克隆技术的监督学习设置中完成的。在本文中，我们通过引入差异性贝叶斯过滤（DBF）来解决轨迹合成的行为克隆方法的局限性，后者使用概率的Bézier曲线作为推断基于贝叶斯推理的最佳自主赛车轨迹的基础。我们引入了轨迹采样机构，并将其与过滤过程相结合，该过程能够将汽车推向其物理驾驶极限。 DBF的性能在深度序列的一级模拟环境中进行了评估，并将其与其他几种轨迹合成方法以及人类驾驶性能进行了比较。 DBF通过将赛车推到其控制范围的同时，同时始终保持在轨道边界内，从而达到了最快的圈速时间和最快的速度。
One of the main challenges in autonomous racing is to design algorithms for motion planning at high speed, and across complex racing courses. End-to-end trajectory synthesis has been previously proposed where the trajectory for the ego vehicle is computed based on camera images from the racecar. This is done in a supervised learning setting using behavioral cloning techniques. In this paper, we address the limitations of behavioral cloning methods for trajectory synthesis by introducing Differential Bayesian Filtering (DBF), which uses probabilistic Bézier curves as a basis for inferring optimal autonomous racing trajectories based on Bayesian inference. We introduce a trajectory sampling mechanism and combine it with a filtering process which is able to push the car to its physical driving limits. The performance of DBF is evaluated on the DeepRacing Formula One simulation environment and compared with several other trajectory synthesis approaches as well as human driving performance. DBF achieves the fastest lap time, and the fastest speed, by pushing the racecar closer to its limits of control while always remaining inside track bounds.
