activity
20222026
most citedPointDifformer: Robust Point Cloud Registration With Neural Diffusion and Transformer

35 citations · 75 across the 16 of their papers we have counts for

collaborators

16 papers

cs.LG2026

Lyapunov Stable Graph Neural Flow

Haoyu Chu, Xiaotong Chen, Wei Zhou +4

Graph Neural Networks (GNNs) are highly vulnerable to adversarial perturbations in both topology and features, making the learning of robust representations a critical challenge. I…

cs.LG2025

Adaptive Multi-view Graph Contrastive Learning via Fractional-order Neural Diffusion Networks

Yanan Zhao, Feng Ji, Jingyang Dai +4

Graph contrastive learning (GCL) learns node and graph representations by contrasting multiple views of the same graph. Existing methods typically rely on fixed, handcrafted views-…

cs.LG2025

Simple Graph Contrastive Learning via Fractional-order Neural Diffusion Networks

Yanan Zhao, Feng Ji, Kai Zhao +6

Graph Contrastive Learning (GCL) has recently made progress as an unsupervised graph representation learning paradigm. GCL approaches can be categorized into augmentation-based and…

cs.LG2025

Efficient Training of Neural Fractional-Order Differential Equation via Adjoint Backpropagation

Qiyu Kang, Xuhao Li, Kai Zhao +4

Fractional-order differential equations (FDEs) enhance traditional differential equations by extending the order of differential operators from integers to real numbers, offering g…

cs.LG2025

Neural Variable-Order Fractional Differential Equation Networks

Wenjun Cui, Qiyu Kang, Xuhao Li +4

Neural differential equation models have garnered significant attention in recent years for their effectiveness in machine learning applications.Among these, fractional differentia…

cs.LG2024

Distributed-Order Fractional Graph Operating Network

Kai Zhao, Xuhao Li, Qiyu Kang +5

We introduce the Distributed-order fRActional Graph Operating Network (DRAGON), a novel continuous Graph Neural Network (GNN) framework that incorporates distributed-order fraction…

cs.CV2024

PRFusion: Toward Effective and Robust Multi-Modal Place Recognition with Image and Point Cloud Fusion

Sijie Wang, Qiyu Kang, Rui She +3

Place recognition plays a crucial role in the fields of robotics and computer vision, finding applications in areas such as autonomous driving, mapping, and localization. Place rec…

cs.LG2024

Unleashing the Potential of Fractional Calculus in Graph Neural Networks with FROND

Qiyu Kang, Kai Zhao, Qinxu Ding +5

We introduce the FRactional-Order graph Neural Dynamical network (FROND), a new continuous graph neural network (GNN) framework. Unlike traditional continuous GNNs that rely on int…

cs.CV2024★ 35 cited

PointDifformer: Robust Point Cloud Registration With Neural Diffusion and Transformer

Rui She, Qiyu Kang, Sijie Wang +7

Point cloud registration is a fundamental technique in 3-D computer vision with applications in graphics, autonomous driving, and robotics. However, registration tasks under challe…

cs.LG2024

Ensemble Adversarial Defense via Integration of Multiple Dispersed Low Curvature Models

Kaikang Zhao, Xi Chen, Wei Huang +3

The integration of an ensemble of deep learning models has been extensively explored to enhance defense against adversarial attacks. The diversity among sub-models increases the at…

cs.CV2024★ 7 cited

PosDiffNet: Positional Neural Diffusion for Point Cloud Registration in a Large Field of View with Perturbations

Rui She, Sijie Wang, Qiyu Kang +5

Point cloud registration is a crucial technique in 3D computer vision with a wide range of applications. However, this task can be challenging, particularly in large fields of view…

cs.LG2024

Coupling Graph Neural Networks with Fractional Order Continuous Dynamics: A Robustness Study

Qiyu Kang, Kai Zhao, Yang Song +5

In this work, we rigorously investigate the robustness of graph neural fractional-order differential equation (FDE) models. This framework extends beyond traditional graph neural (…

cs.CV2023

DistilVPR: Cross-Modal Knowledge Distillation for Visual Place Recognition

Sijie Wang, Rui She, Qiyu Kang +4

The utilization of multi-modal sensor data in visual place recognition (VPR) has demonstrated enhanced performance compared to single-modal counterparts. Nonetheless, integrating a…

cs.CV2023★ 11 cited

RobustMat: Neural Diffusion for Street Landmark Patch Matching under Challenging Environments

Rui She, Qiyu Kang, Sijie Wang +4

For autonomous vehicles (AVs), visual perception techniques based on sensors like cameras play crucial roles in information acquisition and processing. In various computer percepti…

cs.LG2023★ 9 cited

Adversarial Robustness in Graph Neural Networks: A Hamiltonian Approach

Kai Zhao, Qiyu Kang, Yang Song +3

Graph neural networks (GNNs) are vulnerable to adversarial perturbations, including those that affect both node features and graph topology. This paper investigates GNNs derived fr…

cs.LG2022★ 13 cited

On the Robustness of Graph Neural Diffusion to Topology Perturbations

Yang Song, Qiyu Kang, Sijie Wang +2

Neural diffusion on graphs is a novel class of graph neural networks that has attracted increasing attention recently. The capability of graph neural partial differential equations…