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Recent studies on visual anomaly detection (AD) of industrial objects/textures have achieved quite good performance. They consider an unsupervised setting, specifically the one-class setting, in which we assume the availability of a set of…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Jie Zhang , Masanori Suganuma , Takayuki Okatani

Industrial anomaly detection demands precise reasoning over fine-grained defect patterns. However, existing multimodal large language models (MLLMs), pretrained on general-domain data, often struggle to capture category-specific anomalies,…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Peng Chen , Chao Huang , Yunkang Cao , Chengliang Liu , Wei Wang , Wenqiang Wang , Mingbo Yang , Li Shen , Wenqi Ren , Xiaochun Cao

The paper explores the industrial multimodal Anomaly Detection (AD) task, which exploits point clouds and RGB images to localize anomalies. We introduce a novel light and fast framework that learns to map features from one modality to the…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Alex Costanzino , Pierluigi Zama Ramirez , Giuseppe Lisanti , Luigi Di Stefano

There have been significant advancements in anomaly detection in an unsupervised manner, where only normal images are available for training. Several recent methods aim to detect anomalies based on a memory, comparing or reconstructing the…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Joo Chan Lee , Taejune Kim , Eunbyung Park , Simon S. Woo , Jong Hwan Ko

Detecting anomalies within point clouds is crucial for various industrial applications, but traditional unsupervised methods face challenges due to data acquisition costs, early-stage production constraints, and limited generalization…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Yuqi Cheng , Yunkang Cao , Guoyang Xie , Zhichao Lu , Weiming Shen

Most existing methods for unsupervised industrial anomaly detection train a separate model for each object category. This kind of approach can easily capture the category-specific feature distributions, but results in high storage cost and…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Jiangqi Liu , Feng Wang

Integrated circuit manufacturing is highly complex, comprising hundreds of process steps. Defects can arise at any stage, causing yield loss and ultimately degrading product reliability. Supervised methods require extensive human annotation…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Botong. Zhao , Xubin. Wang , Shujing. Lyu , Yue. Lu

Accuracy anomaly detection in user-level social multimedia traffic is crucial for privacy security. Compared with existing models that passively detect specific anomaly classes with large labeled training samples, user-level social…

密码学与安全 · 计算机科学 2024-09-04 Tongtong Feng , Qi Qi , Jingyu Wang

Image anomaly detection plays a pivotal role in industrial inspection. Traditional approaches often demand distinct models for specific categories, resulting in substantial deployment costs. This raises concerns about multi-class anomaly…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Haiming Yao , Yunkang Cao , Wei Luo , Weihang Zhang , Wenyong Yu , Weiming Shen

Zero-shot 3D anomaly detection aims to identify anomalies without access to training data from target categories. However, existing methods mainly rely on projecting 3D observations into multi-view representations that primarily capture…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Letian Bai , Xuanming Cao , Juan Du , Chengyu Tao

The current mainstream and state-of-the-art anomaly detection (AD) methods are substantially established on pretrained feature networks yielded by ImageNet pretraining. However, regardless of supervised or self-supervised pretraining, the…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Xincheng Yao , Yan Luo , Zefeng Qian , Chongyang Zhang

Anomaly detection on attributed networks aims at finding nodes whose patterns deviate significantly from the majority of reference nodes, which is pervasive in many applications such as network intrusion detection and social spammer…

机器学习 · 计算机科学 2020-02-13 Haoyi Fan , Fengbin Zhang , Zuoyong Li

Training a unified model is considered to be more suitable for practical industrial anomaly detection scenarios due to its generalization ability and storage efficiency. However, this multi-class setting, which exclusively uses normal data,…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Jianlong Hu , Xu Chen , Zhenye Gan , Jinlong Peng , Shengchuan Zhang , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Liujuan Cao , Rongrong Ji

From a safety perspective, a machine learning method embedded in real-world applications is required to distinguish irregular situations. For this reason, there has been a growing interest in the anomaly detection (AD) task. Since we cannot…

机器学习 · 计算机科学 2021-04-21 JuneKyu Park , Jeong-Hyeon Moon , Namhyuk Ahn , Kyung-Ah Sohn

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 class-specific manner and also lack the capability of learning…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Haoquan Lu , Hanzhe Liang , Jie Zhang , Chenxi Hu , Jinbao Wang , Can Gao

Multi-task learning based video anomaly detection methods combine multiple proxy tasks in different branches to detect video anomalies in different situations. Most existing methods either do not combine complementary tasks to effectively…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Mohammad Baradaran , Robert Bergevin

Deep neural networks (DNN) can achieve high performance when applied to In-Distribution (ID) data which come from the same distribution as the training set. When presented with anomaly inputs not from the ID, the outputs of a DNN should be…

机器学习 · 计算机科学 2021-10-08 Fangzhen Zhao , Chenyi Zhang , Naipeng Dong , Zefeng You , Zhenxin Wu

Although industrial anomaly detection (AD) technology has made significant progress in recent years, generating realistic anomalies and learning priors of normal remain challenging tasks. In this study, we propose an end-to-end industrial…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xuan Xia , Weijie Lv , Xing He , Nan Li , Chuanqi Liu , Ning Ding

We study the new task of class-incremental Novel Class Discovery (class-iNCD), which refers to the problem of discovering novel categories in an unlabelled data set by leveraging a pre-trained model that has been trained on a labelled data…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Subhankar Roy , Mingxuan Liu , Zhun Zhong , Nicu Sebe , Elisa Ricci

Industrial anomaly detection is increasingly relying on foundation models, aiming for strong out-of-distribution generalization and rapid adaptation in real-world deployments. Notably, past studies have primarily focused on textual prompt…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Po-Han Huang , Jeng-Lin Li , Po-Hsuan Huang , Ming-Ching Chang , Wei-Chao Chen