activity
20172021
most citedLearning Semantic Segmentation of Large-Scale Point Clouds with Random Sampling

224 citations · 503 across the 8 of their papers we have counts for

collaborators

8 papers

cs.CV2021★ 224 cited

Learning Semantic Segmentation of Large-Scale Point Clouds with Random Sampling

Qingyong Hu, Bo Yang, Linhai Xie +5

We study the problem of efficient semantic segmentation of large-scale 3D point clouds. By relying on expensive sampling techniques or computationally heavy pre/post-processing ste…

cs.CV2020

Watch and Learn: Mapping Language and Noisy Real-world Videos with Self-supervision

Yujie Zhong, Linhai Xie, Sen Wang +2

In this paper, we teach machines to understand visuals and natural language by learning the mapping between sentences and noisy video snippets without explicit annotations. Firstly…

cs.CV2019★ 136 cited

RandLA-Net: Efficient Semantic Segmentation of Large-Scale Point Clouds

Qingyong Hu, Bo Yang, Linhai Xie +5

We study the problem of efficient semantic segmentation for large-scale 3D point clouds. By relying on expensive sampling techniques or computationally heavy pre/post-processing st…

cs.RO2018

Learning with Training Wheels: Speeding up Training with a Simple Controller for Deep Reinforcement Learning

Linhai Xie, Sen Wang, Stefano Rosa +2

Deep Reinforcement Learning (DRL) has been applied successfully to many robotic applications. However, the large number of trials needed for training is a key issue. Most of existi…

cs.RO2018★ 4 cited

Learning with Stochastic Guidance for Navigation

Linhai Xie, Yishu Miao, Sen Wang +5

Due to the sparse rewards and high degree of environment variation, reinforcement learning approaches such as Deep Deterministic Policy Gradient (DDPG) are plagued by issues of hig…

cs.NE2018★ 2 cited

Neural Allocentric Intuitive Physics Prediction from Real Videos

Zhihua Wang, Stefano Rosa, Yishu Miao +4

Humans are able to make rich predictions about the future dynamics of physical objects from a glance. On the other hand, most existing computer vision approaches require strong ass…

cs.RO2018★ 1 cited

Defo-Net: Learning Body Deformation using Generative Adversarial Networks

Zhihua Wang, Stefano Rosa, Linhai Xie +4

Modelling the physical properties of everyday objects is a fundamental prerequisite for autonomous robots. We present a novel generative adversarial network (Defo-Net), able to pre…

cs.RO2017★ 136 cited

Towards Monocular Vision based Obstacle Avoidance through Deep Reinforcement Learning

Linhai Xie, Sen Wang, Andrew Markham +1

Obstacle avoidance is a fundamental requirement for autonomous robots which operate in, and interact with, the real world. When perception is limited to monocular vision avoiding c…