activity
20202024
most citedHierarchical Attention Learning of Scene Flow in 3D Point Clouds

74 citations · 304 across the 31 of their papers we have counts for

collaborators
Showing cs.CVShow all

23 papers · 1 filter

cs.CV2024★ 6 cited

You Only Look Bottom-Up for Monocular 3D Object Detection

Kaixin Xiong, Dingyuan Zhang, Dingkang Liang +5

Monocular 3D Object Detection is an essential task for autonomous driving. Meanwhile, accurate 3D object detection from pure images is very challenging due to the loss of depth inf…

cs.CV2023

Diffusion-based 3D Object Detection with Random Boxes

Xin Zhou, Jinghua Hou, Tingting Yao +6

3D object detection is an essential task for achieving autonomous driving. Existing anchor-based detection methods rely on empirical heuristics setting of anchors, which makes the…

cs.CV2023★ 1 cited

RLSAC: Reinforcement Learning enhanced Sample Consensus for End-to-End Robust Estimation

Chang Nie, Guangming Wang, Zhe Liu +3

Robust estimation is a crucial and still challenging task, which involves estimating model parameters in noisy environments. Although conventional sampling consensus-based algorith…

cs.CV2023★ 37 cited

SAM3D: Zero-Shot 3D Object Detection via Segment Anything Model

Dingyuan Zhang, Dingkang Liang, Hongcheng Yang +4

With the development of large language models, many remarkable linguistic systems like ChatGPT have thrived and achieved astonishing success on many tasks, showing the incredible p…

cs.CV2023

Multi-Modal 3D Object Detection by Box Matching

Zhe Liu, Xiaoqing Ye, Zhikang Zou +5

Multi-modal 3D object detection has received growing attention as the information from different sensors like LiDAR and cameras are complementary. Most fusion methods for 3D detect…

cs.CV2023

Mode-locking Theory for Long-Range Interaction in Artificial Neural Networks

Xiuxiu Bai, Shuaishuai Zhao, Yao Gao +1

Visual long-range interaction refers to modeling dependencies between distant feature points or blocks within an image, which can significantly enhance the model's robustness. Both…

cs.CV2023

DDS3D: Dense Pseudo-Labels with Dynamic Threshold for Semi-Supervised 3D Object Detection

Jingyu Li, Zhe Liu, Jinghua Hou +1

In this paper, we present a simple yet effective semi-supervised 3D object detector named DDS3D. Our main contributions have two-fold. On the one hand, different from previous work…

cs.CV2023★ 1 cited

RegFormer: An Efficient Projection-Aware Transformer Network for Large-Scale Point Cloud Registration

Jiuming Liu, Guangming Wang, Zhe Liu +3

Although point cloud registration has achieved remarkable advances in object-level and indoor scenes, large-scale registration methods are rarely explored. Challenges mainly arise…

cs.CV2022★ 3 cited

Hilbert Distillation for Cross-Dimensionality Networks

Dian Qin, Haishuai Wang, Zhe Liu +3

3D convolutional neural networks have revealed superior performance in processing volumetric data such as video and medical imaging. However, the competitive performance by leverag…

cs.CV2022

What Matters for 3D Scene Flow Network

Guangming Wang, Yunzhe Hu, Zhe Liu +4

3D scene flow estimation from point clouds is a low-level 3D motion perception task in computer vision. Flow embedding is a commonly used technique in scene flow estimation, and it…

cs.CV2022★ 1 cited

SparseDet: Towards End-to-End 3D Object Detection

Jianhong Han, Zhaoyi Wan, Zhe Liu +2

In this paper, we propose SparseDet for end-to-end 3D object detection from point cloud. Existing works on 3D object detection rely on dense object candidates over all locations in…

cs.CV2022★ 1 cited

Emergence of Double-slit Interference by Representing Visual Space in Artificial Neural Networks

Xiuxiu Bai, Zhe Liu, Yao Gao +2

Artificial neural networks have realized incredible successes at image recognition, but the underlying mechanism of visual space representation remains a huge mystery. Grid cells (…

cs.CV2021

EPNet++: Cascade Bi-directional Fusion for Multi-Modal 3D Object Detection

Zhe Liu, Tengteng Huang, Bingling Li +3

Recently, fusing the LiDAR point cloud and camera image to improve the performance and robustness of 3D object detection has received more and more attention, as these two modaliti…

cs.CV2020★ 2 cited

GAKP: GRU Association and Kalman Prediction for Multiple Object Tracking

Zhen Li, Sunzeng Cai, Xiaoyi Wang +2

Multiple Object Tracking (MOT) has been a useful yet challenging task in many real-world applications such as video surveillance, intelligent retail, and smart city. The challenge…

cs.CV2020★ 1 cited

ProMask: Probability Mask for Skeleton Detection

Xiuxiu Bai, Lele Ye, Zhe Liu

Detecting object skeletons in natural images presents challenging, due to varied object scales, the complexity of backgrounds and various noises. The skeleton is a highly compressi…

cs.CV2020★ 23 cited

Anchor-Based Spatio-Temporal Attention 3D Convolutional Networks for Dynamic 3D Point Cloud Sequences

Guangming Wang, Muyao Chen, Hanwen Liu +3

With the rapid development of measurement technology, LiDAR and depth cameras are widely used in the perception of the 3D environment. Recent learning based methods for robot perce…

cs.CV2020

A Registration-aided Domain Adaptation Network for 3D Point Cloud Based Place Recognition

Zhijian Qiao, Hanjiang Hu, Weiang Shi +3

In the field of large-scale SLAM for autonomous driving and mobile robotics, 3D point cloud based place recognition has aroused significant research interest due to its robustness…

cs.CV2020★ 4 cited

PWCLO-Net: Deep LiDAR Odometry in 3D Point Clouds Using Hierarchical Embedding Mask Optimization

Guangming Wang, Xinrui Wu, Zhe Liu +1

A novel 3D point cloud learning model for deep LiDAR odometry, named PWCLO-Net, using hierarchical embedding mask optimization is proposed in this paper. In this model, the Pyramid…

cs.CV2020★ 1 cited

Spherical Interpolated Convolutional Network with Distance-Feature Density for 3D Semantic Segmentation of Point Clouds

Guangming Wang, Yehui Yang, Huixin Zhang +2

The semantic segmentation of point clouds is an important part of the environment perception for robots. However, it is difficult to directly adopt the traditional 3D convolution k…

cs.CV2020★ 2 cited

3D Invisible Cloak

Mingfu Xue, Can He, Zhiyu Wu +3

In this paper, we propose a novel physical stealth attack against the person detectors in real world. The proposed method generates an adversarial patch, and prints it on real clot…

cs.CV2020★ 53 cited

DASGIL: Domain Adaptation for Semantic and Geometric-aware Image-based Localization

Hanjiang Hu, Zhijian Qiao, Ming Cheng +2

Long-Term visual localization under changing environments is a challenging problem in autonomous driving and mobile robotics due to season, illumination variance, etc. Image retrie…

cs.CV2020★ 74 cited

Hierarchical Attention Learning of Scene Flow in 3D Point Clouds

Guangming Wang, Xinrui Wu, Zhe Liu +1

Scene flow represents the 3D motion of every point in the dynamic environments. Like the optical flow that represents the motion of pixels in 2D images, 3D motion representation of…

cs.CV2020★ 31 cited

Domain-invariant Similarity Activation Map Contrastive Learning for Retrieval-based Long-term Visual Localization

Hanjiang Hu, Hesheng Wang, Zhe Liu +1

Visual localization is a crucial component in the application of mobile robot and autonomous driving. Image retrieval is an efficient and effective technique in image-based localiz…