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20202026
most citedEfficient 3D Point Cloud Feature Learning for Large-Scale Place Recognition

98 citations · 168 across the 31 of their papers we have counts for

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Showing 2021Show all

9 papers · 1 filter

cs.CV2021

3D Siamese Voxel-to-BEV Tracker for Sparse Point Clouds

Le Hui, Lingpeng Wang, Mingmei Cheng +2

3D object tracking in point clouds is still a challenging problem due to the sparsity of LiDAR points in dynamic environments. In this work, we propose a Siamese voxel-to-BEV track…

cs.CV2021★ 3 cited

Sampling Network Guided Cross-Entropy Method for Unsupervised Point Cloud Registration

Haobo Jiang, Yaqi Shen, Jin Xie +3

In this paper, by modeling the point cloud registration task as a Markov decision process, we propose an end-to-end deep model embedded with the cross-entropy method (CEM) for unsu…

cs.CV2021

UnDeepLIO: Unsupervised Deep Lidar-Inertial Odometry

Yiming Tu, Jin Xie

Extensive research efforts have been dedicated to deep learning based odometry. Nonetheless, few efforts are made on the unsupervised deep lidar odometry. In this paper, we design…

cs.CV2021★ 2 cited

Planning with Learned Dynamic Model for Unsupervised Point Cloud Registration

Haobo Jiang, Jin Xie, Jianjun Qian +1

Point cloud registration is a fundamental problem in 3D computer vision. In this paper, we cast point cloud registration into a planning problem in reinforcement learning, which ca…

cs.CV2021★ 2 cited

SSPU-Net: Self-Supervised Point Cloud Upsampling via Differentiable Rendering

Yifan Zhao, Le Hui, Jin Xie

Point clouds obtained from 3D sensors are usually sparse. Existing methods mainly focus on upsampling sparse point clouds in a supervised manner by using dense ground truth point c…

cs.CV2021★ 4 cited

SSPC-Net: Semi-supervised Semantic 3D Point Cloud Segmentation Network

Mingmei Cheng, Le Hui, Jin Xie +1

Point cloud semantic segmentation is a crucial task in 3D scene understanding. Existing methods mainly focus on employing a large number of annotated labels for supervised semantic…

cs.LG2021★ 1 cited

Action Candidate Based Clipped Double Q-learning for Discrete and Continuous Action Tasks

Haobo Jiang, Jin Xie, Jian Yang

Double Q-learning is a popular reinforcement learning algorithm in Markov decision process (MDP) problems. Clipped Double Q-learning, as an effective variant of Double Q-learning,…

cs.CV2021★ 9 cited

MSCFNet: A Lightweight Network With Multi-Scale Context Fusion for Real-Time Semantic Segmentation

Guangwei Gao, Guoan Xu, Yi Yu +3

In recent years, how to strike a good trade-off between accuracy and inference speed has become the core issue for real-time semantic segmentation applications, which plays a vital…

cs.CV2021★ 98 cited

Efficient 3D Point Cloud Feature Learning for Large-Scale Place Recognition

Le Hui, Mingmei Cheng, Jin Xie +1

Point cloud based retrieval for place recognition is still a challenging problem due to drastic appearance and illumination changes of scenes in changing environments. Existing dee…