activity
20242026
most citedTaming Anomalies with Down-Up Sampling Networks: Group Center Preserving Reconstruction for 3D Anomaly Detection

3 citations · 4 across the 12 of their papers we have counts for

collaborators

14 papers

cs.CV2026

PC-AD: Point Cloud Upsampling to Safeguard 3D Anomaly Detection with Resolution-constrained Edge Devices

Yutong Gu, Yingxi Xie, Kejin Huang +4

Low-cost and low-resolution sensors used in edge deployments can produce test point clouds that are substantially sparser than the normal training data. This train-test sampling-re…

cs.GR2026

MVFM-3DAD: Multi-view Flow Matching for 3D Anomaly Detection via Density Proxy Estimation

Liangwei Li, Lin Liu, Jing Zhang +5

In 3D anomaly detection (3DAD), most existing methods rely on Memory bank retrieval or reconstruction. However, memory-based methods are constrained by the coverage of stored norma…

cs.CV2026

Learning Discriminative Signed Distance Functions from Multi-scale Level-of-detail Features for 3D Anomaly Detection

Haibo Xiao, Hanzhe Liang, Jie Zhou +2

Detecting anomalies from 3D point clouds has received increasing attention in the field of computer vision, with some group-based or point-based methods achieving impressive result…

cs.CV2026

Open-Set Supervised 3D Anomaly Detection: An Industrial Dataset and a Generalisable Framework for Unknown Defects

Hanzhe Liang, Luocheng Zhang, Junyang Xia +7

Although self-supervised 3D anomaly detection assumes that acquiring high-precision point clouds is computationally expensive, in real manufacturing scenarios it is often feasible…

cs.CV2025

A Lightweight 3D Anomaly Detection Method with Rotationally Invariant Features

Hanzhe Liang, Jie Zhou, Can Gao +3

3D anomaly detection (AD) is a crucial task in computer vision, aiming to identify anomalous points or regions from point cloud data. However, existing methods may encounter challe…

cs.CV2025

IEC3D-AD: A 3D Dataset of Industrial Equipment Components for Unsupervised Point Cloud Anomaly Detection

Bingyang Guo, Hongjie Li, Ruiyun Yu +2

3D anomaly detection (3D-AD) plays a critical role in industrial manufacturing, particularly in ensuring the reliability and safety of core equipment components. Although existing…

cs.LG2025

The 1st International Workshop on Disentangled Representation Learning for Controllable Generation (DRL4Real): Methods and Results

Qiuyu Chen, Xin Jin, Yue Song +45

This paper reviews the 1st International Workshop on Disentangled Representation Learning for Controllable Generation (DRL4Real), held in conjunction with ICCV 2025. The workshop a…

cs.CV2025

C3D-AD: Toward Continual 3D Anomaly Detection via Kernel Attention with Learnable Advisor

Haoquan Lu, Hanzhe Liang, Jie Zhang +3

3D Anomaly Detection (AD) has shown great potential in detecting anomalies or defects of high-precision industrial products. However, existing methods are typically trained in a cl…

cs.CV2025

Time-reversed Flow Matching with Worst Transport in High-dimensional Latent Space for Image Anomaly Detection

Liangwei Li, Lin Liu, Hanzhe Liang +6

Likelihood-based deep generative models have been widely investigated for Image Anomaly Detection (IAD), particularly Normalizing Flows, yet their strict architectural invertibilit…

cs.CV2025★ 3 cited

Taming Anomalies with Down-Up Sampling Networks: Group Center Preserving Reconstruction for 3D Anomaly Detection

Hanzhe Liang, Jie Zhang, Tao Dai +3

Reconstruction-based methods have demonstrated very promising results for 3D anomaly detection. However, these methods face great challenges in handling high-precision point clouds…

cs.CV2025

Mentor3AD: Feature Reconstruction-based 3D Anomaly Detection via Multi-modality Mentor Learning

Hanzhe Liang

Multimodal feature reconstruction is a promising approach for 3D anomaly detection, leveraging the complementary information from dual modalities. We further advance this paradigm…

cs.CV2025

Examining the Source of Defects from a Mechanical Perspective for 3D Anomaly Detection

Hanzhe Liang, Aoran Wang, Jie Zhou +3

In this paper, we explore a novel approach to 3D anomaly detection (AD) that goes beyond merely identifying anomalies based on structural characteristics. Our primary perspective i…

cs.CV2025

Fence Theorem: Towards Dual-Objective Semantic-Structure Isolation in Preprocessing Phase for 3D Anomaly Detection

Hanzhe Liang, Jie Zhou, Xuanxin Chen +3

3D anomaly detection (AD) is prominent but difficult due to lacking a unified theoretical foundation for preprocessing design. We establish the Fence Theorem, formalizing preproces…

cs.CV2024★ 1 cited

Look Inside for More: Internal Spatial Modality Perception for 3D Anomaly Detection

Hanzhe Liang, Guoyang Xie, Chengbin Hou +3

3D anomaly detection has recently become a significant focus in computer vision. Several advanced methods have achieved satisfying anomaly detection performance. However, they typi…