activity
20192024
most citedFeature Graph Learning for 3D Point Cloud Denoising

112 citations · 250 across the 12 of their papers we have counts for

collaborators

12 papers

cs.CV2024★ 1 cited

Generative 3D Part Assembly via Part-Whole-Hierarchy Message Passing

Bi'an Du, Xiang Gao, Wei Hu +1

Generative 3D part assembly involves understanding part relationships and predicting their 6-DoF poses for assembling a realistic 3D shape. Prior work often focus on the geometry o…

cs.CV2024

InvariantOODG: Learning Invariant Features of Point Clouds for Out-of-Distribution Generalization

Zhimin Zhang, Xiang Gao, Wei Hu

The convenience of 3D sensors has led to an increase in the use of 3D point clouds in various applications. However, the differences in acquisition devices or scenarios lead to div…

cs.CV2022

Learning Latent Part-Whole Hierarchies for Point Clouds

Xiang Gao, Wei Hu, Renjie Liao

Strong evidence suggests that humans perceive the 3D world by parsing visual scenes and objects into part-whole hierarchies. Although deep neural networks have the capability of le…

cs.CV2022★ 4 cited

Learning to Incorporate Texture Saliency Adaptive Attention to Image Cartoonization

Xiang Gao, Yuqi Zhang, Yingjie Tian

Image cartoonization is recently dominated by generative adversarial networks (GANs) from the perspective of unsupervised image-to-image translation, in which an inherent challenge…

cs.CL2022★ 2 cited

StarGraph: Knowledge Representation Learning based on Incomplete Two-hop Subgraph

Hongzhu Li, Xiangrui Gao, Linhui Feng +2

Conventional representation learning algorithms for knowledge graphs (KG) map each entity to a unique embedding vector, ignoring the rich information contained in the neighborhood.…

cs.CV2021★ 84 cited

Self-Contrastive Learning with Hard Negative Sampling for Self-supervised Point Cloud Learning

Bi'an Du, Xiang Gao, Wei Hu +1

Point clouds have attracted increasing attention. Significant progress has been made in methods for point cloud analysis, which often requires costly human annotation as supervisio…

cs.LG2021

Self-Supervised Graph Representation Learning via Topology Transformations

Xiang Gao, Wei Hu, Guo-Jun Qi

We present the Topology Transformation Equivariant Representation learning, a general paradigm of self-supervised learning for node representations of graph data to enable the wide…

cs.CV2021★ 6 cited

Self-Supervised Multi-View Learning via Auto-Encoding 3D Transformations

Xiang Gao, Wei Hu, Guo-Jun Qi

3D object representation learning is a fundamental challenge in computer vision to infer about the 3D world. Recent advances in deep learning have shown their efficiency in 3D obje…

eess.IV2020★ 36 cited

Dynamic Point Cloud Denoising via Manifold-to-Manifold Distance

Wei Hu, Qianjiang Hu, Zehua Wang +1

3D dynamic point clouds provide a natural discrete representation of real-world objects or scenes in motion, with a wide range of applications in immersive telepresence, autonomous…

cs.CV2019★ 4 cited

GraphTER: Unsupervised Learning of Graph Transformation Equivariant Representations via Auto-Encoding Node-wise Transformations

Xiang Gao, Wei Hu, Guo-Jun Qi

Recent advances in Graph Convolutional Neural Networks (GCNNs) have shown their efficiency for non-Euclidean data on graphs, which often require a large amount of labeled data with…

cs.CV2019★ 112 cited

Feature Graph Learning for 3D Point Cloud Denoising

Wei Hu, Xiang Gao, Gene Cheung +1

Identifying an appropriate underlying graph kernel that reflects pairwise similarities is critical in many recent graph spectral signal restoration schemes, including image denoisi…

cs.CV2019★ 1 cited

3D Dynamic Point Cloud Denoising via Spatial-Temporal Graph Learning

Wei Hu, Qianjiang Hu, Zehua Wang +1

The prevalence of accessible depth sensing and 3D laser scanning techniques has enabled the convenient acquisition of 3D dynamic point clouds, which provide efficient representatio…