Search Results for author: Xibin Zhao

Found 15 papers, 1 papers with code

GLADformer: A Mixed Perspective for Graph-level Anomaly Detection

no code implementations2 Jun 2024 Fan Xu, Nan Wang, Hao Wu, Xuezhi Wen, Dalin Zhang, Siyang Lu, Binyong Li, Wei Gong, Hai Wan, Xibin Zhao

However, current methods are constrained by their receptive fields, struggling to learn global features within the graphs.

Anomaly Detection

Revisiting Graph-Based Fraud Detection in Sight of Heterophily and Spectrum

no code implementations11 Dec 2023 Fan Xu, Nan Wang, Hao Wu, Xuezhi Wen, Xibin Zhao, Hai Wan

This detector includes a hybrid filtering module and a local environmental constraint module, the two modules are utilized to solve heterophily and label utilization problem respectively.

Binary Classification Fraud Detection

Hypergraph-Guided Disentangled Spectrum Transformer Networks for Near-Infrared Facial Expression Recognition

no code implementations10 Dec 2023 Bingjun Luo, Haowen Wang, Jinpeng Wang, Junjie Zhu, Xibin Zhao, Yue Gao

With the strong robusticity on illumination variations, near-infrared (NIR) can be an effective and essential complement to visible (VIS) facial expression recognition in low lighting or complete darkness conditions.

Facial Expression Recognition Facial Expression Recognition (FER)

Few-shot Message-Enhanced Contrastive Learning for Graph Anomaly Detection

no code implementations17 Nov 2023 Fan Xu, Nan Wang, Xuezhi Wen, Meiqi Gao, Chaoqun Guo, Xibin Zhao

Graph anomaly detection plays a crucial role in identifying exceptional instances in graph data that deviate significantly from the majority.

Contrastive Learning Graph Anomaly Detection

Exploring Global and Local Information for Anomaly Detection with Normal Samples

no code implementations3 Jun 2023 Fan Xu, Nan Wang, Xibin Zhao

To address such problem, we propose an anomaly detection method GALDetector which is combined of global and local information based on observed normal samples.

Anomaly Detection Fraud Detection +1

TBDetector:Transformer-Based Detector for Advanced Persistent Threats with Provenance Graph

no code implementations6 Apr 2023 Nan Wang, Xuezhi Wen, Dalin Zhang, Xibin Zhao, Jiahui Ma, Mengxia Luo, Sen Nie, Shi Wu, Jiqiang Liu

APT detection is difficult to detect due to the long-term latency, covert and slow multistage attack patterns of Advanced Persistent Threat (APT).

Decoder

Grow and Merge: A Unified Framework for Continuous Categories Discovery

no code implementations9 Oct 2022 Xinwei Zhang, Jianwen Jiang, Yutong Feng, Zhi-Fan Wu, Xibin Zhao, Hai Wan, Mingqian Tang, Rong Jin, Yue Gao

Although a number of studies are devoted to novel category discovery, most of them assume a static setting where both labeled and unlabeled data are given at once for finding new categories.

Self-Supervised Learning

Dual Channel Hypergraph Collaborative Filtering

no code implementations SIGKDD 2020 Shuyi Ji, Yifan Feng, Rongrong Ji, Xibin Zhao, Wanwan Tang, Yue Gao.

Second, the hypergraph structure is employed for modeling users and items with explicit hybrid high-order correlations.

Collaborative Filtering Recommendation Systems

Attention-based Multi-modal Fusion Network for Semantic Scene Completion

no code implementations31 Mar 2020 Siqi Li, Changqing Zou, Yipeng Li, Xibin Zhao, Yue Gao

This paper presents an end-to-end 3D convolutional network named attention-based multi-modal fusion network (AMFNet) for the semantic scene completion (SSC) task of inferring the occupancy and semantic labels of a volumetric 3D scene from single-view RGB-D images.

2D Semantic Segmentation 3D Semantic Scene Completion +2

PVRNet: Point-View Relation Neural Network for 3D Shape Recognition

no code implementations2 Dec 2018 Haoxuan You, Yifan Feng, Xibin Zhao, Changqing Zou, Rongrong Ji, Yue Gao

More specifically, based on the relation score module, the point-single-view fusion feature is first extracted by fusing the point cloud feature and each single view feature with point-singe-view relation, then the point-multi-view fusion feature is extracted by fusing the point cloud feature and the features of different number of views with point-multi-view relation.

3D Shape Classification 3D Shape Recognition +3

MeshNet: Mesh Neural Network for 3D Shape Representation

2 code implementations28 Nov 2018 Yutong Feng, Yifan Feng, Haoxuan You, Xibin Zhao, Yue Gao

However, there is little effort on using mesh data in recent years, due to the complexity and irregularity of mesh data.

3D Shape Classification 3D Shape Representation +2

GVCNN: Group-View Convolutional Neural Networks for 3D Shape Recognition

no code implementations CVPR 2018 Yifan Feng, Zizhao Zhang, Xibin Zhao, Rongrong Ji, Yue Gao

The proposed GVCNN framework is composed of a hierarchical view-group-shape architecture, i. e., from the view level, the group level and the shape level, which are organized using a grouping strategy.

3D Shape Classification 3D Shape Recognition +2

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