2 code implementations • 29 Sep 2020 • Jianhao Jiao, Peng Yun, Lei Tai, Ming Liu
To minimize the detrimental effect of extrinsic perturbation, we propagate an uncertainty prior on each point of input point clouds, and use this information to boost an approach for 3D geometric tasks.
1 code implementation • CVPR 2020 • Yongjian Chen, Lei Tai, Kai Sun, Mingyang Li
Monocular 3D object detection is an essential component in autonomous driving while challenging to solve, especially for those occluded samples which are only partially visible.
Ranked #11 on Vehicle Pose Estimation on KITTI Cars Hard
no code implementations • 6 Jan 2020 • Peide Cai, Xiaodong Mei, Lei Tai, Yuxiang Sun, Ming Liu
Drifting is a complicated task for autonomous vehicle control.
no code implementations • 10 Jul 2019 • Congcong Liu, Yuying Chen, Lei Tai, Ming Liu, Bertram Shi
Vision-based autonomous driving through imitation learning mimics the behaviors of human drivers by training on pairs of data of raw driver-view images and actions.
no code implementations • 17 Apr 2019 • Yuying Chen, Congcong Liu, Lei Tai, Ming Liu, Bertram E. Shi
The basic idea behind behavioral cloning is to have the neural network learn from observing a human expert's behavior.
no code implementations • 3 Apr 2019 • Ting Sun, Lei Tai, Zhihan Gao, Ming Liu, Dit-yan Yeung
This paper proposes a novel weakly-supervised semantic segmentation method using image-level label only.
1 code implementation • 3 Mar 2019 • Lei Tai, Peng Yun, Yuying Chen, Congcong Liu, Haoyang Ye, Ming Liu
End-to-end visual-based imitation learning has been widely applied in autonomous driving.
1 code implementation • 17 Sep 2018 • Peng Yun, Lei Tai, Yu-An Wang, Chengju Liu, Ming Liu
Inspired by the recent use of focal loss in image-based object detection, we extend this hard-mining improvement of binary cross entropy to point-cloud-based object detection and conduct experiments to show its performance based on two different 3D detectors: 3D-FCN and VoxelNet.
3 code implementations • 17 Jul 2018 • Yu-An Wang, Tianyue Shi, Peng Yun, Lei Tai, Ming Liu
We take the spherical image, which is transformed from the 3D LiDAR point clouds, as input of the convolutional neural networks (CNNs) to predict the point-wise semantic map.
no code implementations • 2 Apr 2018 • Oleksii Zhelo, Jingwei Zhang, Lei Tai, Ming Liu, Wolfram Burgard
A video of our experimental results can be found at https://goo. gl/pWbpcF.
no code implementations • 1 Feb 2018 • Jingwei Zhang, Lei Tai, Peng Yun, Yufeng Xiong, Ming Liu, Joschka Boedecker, Wolfram Burgard
In this paper, we deal with the reality gap from a novel perspective, targeting transferring Deep Reinforcement Learning (DRL) policies learned in simulated environments to the real-world domain for visual control tasks.
1 code implementation • 6 Oct 2017 • Lei Tai, Jingwei Zhang, Ming Liu, Wolfram Burgard
Experiments show that our GAIL-based approach greatly improves the safety and efficiency of the behavior of mobile robots from pure behavior cloning.
no code implementations • 25 Sep 2017 • Giuseppe Paolo, Lei Tai, Ming Liu
In this paper we focus on developing a control algorithm for multi-terrain tracked robots with flippers using a reinforcement learning (RL) approach.
1 code implementation • 29 Jun 2017 • Jingwei Zhang, Lei Tai, Ming Liu, Joschka Boedecker, Wolfram Burgard
We present an approach for agents to learn representations of a global map from sensor data, to aid their exploration in new environments.
Reinforcement Learning (RL) Simultaneous Localization and Mapping
no code implementations • 2 Mar 2017 • Qinghai Liao, Ming Liu, Lei Tai, Haoyang Ye
In this paper, we proposed a novel extrinsic calibration approach for the extrinsic calibration of range and image sensors.
2 code implementations • 1 Mar 2017 • Lei Tai, Giuseppe Paolo, Ming Liu
We present a learning-based mapless motion planner by taking the sparse 10-dimensional range findings and the target position with respect to the mobile robot coordinate frame as input and the continuous steering commands as output.
1 code implementation • 21 Dec 2016 • Lei Tai, Jingwei Zhang, Ming Liu, Joschka Boedecker, Wolfram Burgard
We carry out our discussions on the two main paradigms for learning control with deep networks: deep reinforcement learning and imitation learning.
no code implementations • 6 Oct 2016 • Lei Tai, Ming Liu
We believe it is the first time that raw sensor information is used to build cognitive exploration strategy for mobile robots through end-to-end deep reinforcement learning.
no code implementations • 6 Oct 2016 • Lei Tai, Haoyang Ye, Qiong Ye, Ming Liu
The results of the convolutional network are compared with various methods e. g. k-NN.