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Recent advancements in industrial anomaly detection (AD) have demonstrated that incorporating a small number of anomalous samples during training can significantly enhance accuracy. However, this improvement often comes at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Hanxi Li , Jingqi Wu , Deyin Liu , Lin Wu , Hao Chen , Mingwen Wang , Chunhua Shen

Time-series anomaly detection is an important task and has been widely applied in the industry. Since manual data annotation is expensive and inefficient, most applications adopt unsupervised anomaly detection methods, but the results are…

Machine Learning · Computer Science 2023-01-02 Hong Guo , Yujing Wang , Jieyu Zhang , Zhengjie Lin , Yunhai Tong , Lei Yang , Luoxing Xiong , Congrui Huang

3D instance segmentation methods often require fully-annotated dense labels for training, which are costly to obtain. In this paper, we present ClickSeg, a novel click-level weakly supervised 3D instance segmentation method that requires…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Leyao Liu , Tao Kong , Minzhao Zhu , Jiashuo Fan , Lu Fang

Out-of-distribution states in robot manipulation often lead to unpredictable robot behavior or task failure, limiting success rates and increasing risk of damage. Anomaly detection (AD) can identify deviations from expected patterns in…

Industrial anomaly classification (AC) is an indispensable task in industrial manufacturing, which guarantees quality and safety of various product. To address the scarcity of data in industrial scenarios, lots of few-shot anomaly detection…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Zuo Zuo , Jiahao Dong , Yao Wu , Yanyun Qu , Zongze Wu

Interactive Image Segmentation (IIS) has emerged as a promising technique for decreasing annotation time. Substantial progress has been made in pre- and post-processing for IIS, but the critical issue of interaction ambiguity, notably…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Jiacheng Lin , Jiajun Chen , Kailun Yang , Alina Roitberg , Siyu Li , Zhiyong Li , Shutao Li

Anomaly detection is an important task for complex systems (e.g., industrial facilities, manufacturing, large-scale science experiments), where failures in a sub-system can lead to low yield, faulty products, or even damage to components.…

Machine Learning · Computer Science 2023-09-06 Ryan Humble , Zhe Zhang , Finn O'Shea , Eric Darve , Daniel Ratner

Anomaly segmentation, which localizes defective areas, is an important component in large-scale industrial manufacturing. However, most recent researches have focused on anomaly detection. This paper proposes a novel anomaly segmentation…

Image and Video Processing · Electrical Eng. & Systems 2021-10-08 Jouwon Song , Kyeongbo Kong , Ye-In Park , Seong-Gyun Kim , Suk-Ju Kang

Anomaly detection (AD) identifies outliers for applications like defect and lesion detection. While CLIP shows promise for zero-shot AD tasks due to its strong generalization capabilities, its inherent Anomaly-Unawareness leads to limited…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Wenxin Ma , Xu Zhang , Qingsong Yao , Fenghe Tang , Chenxu Wu , Yingtai Li , Rui Yan , Zihang Jiang , S. Kevin Zhou

Automatic vision inspection holds significant importance in industry inspection. While multimodal large language models (MLLMs) exhibit strong language understanding capabilities and hold promise for this task, their performance remains…

Information Retrieval · Computer Science 2026-04-06 Kai Zhang , Zekai Zhang , Xihe Sun , Anpeng Wang , Jingmeng Nie , Qinghui Chen , Han Hao , Jianyuan Guo , Jinglin Zhang

Anomaly detection (AD) is essential for automating visual inspection in manufacturing. This field of computer vision is rapidly evolving, with increasing attention towards real-world applications. Meanwhile, popular datasets are typically…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Aimira Baitieva , Yacine Bouaouni , Alexandre Briot , Dick Ameln , Souhaiel Khalfaoui , Samet Akcay

Anomaly detection (AD) is a task that distinguishes normal and abnormal data, which is important for applying automation technologies of the manufacturing facilities. For MVTec dataset that is a representative AD dataset for industrial…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Jongyub Seok , Chanjin Kang

In industrial anomaly detection (IAD), accurately identifying defects amidst diverse anomalies and under varying imaging conditions remains a significant challenge. Traditional approaches often struggle with high false-positive rates,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Yurui Pan , Lidong Wang , Yuchao Chen , Wenbing Zhu , Bo Peng , Mingmin Chi

Video anomaly detection (VAD) is currently a challenging task due to the complexity of anomaly as well as the lack of labor-intensive temporal annotations. In this paper, we propose an end-to-end Global Information Guided (GIG) anomaly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Hui Lv , Chunyan Xu , Zhen Cui

Logical anomaly detection in industrial inspection remains challenging due to variations in visual appearance (e.g., background clutter, illumination shift, and blur), which often distract vision-centric detectors from identifying…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Hiroto Nakata , Yawen Zou , Shunsuke Sakai , Shun Maeda , Chunzhi Gu , Yijin Wei , Shangce Gao , Chao Zhang

Identifying anomalous instances in tabular data is essential for improving data reliability and maintaining system stability. Due to the scarcity of ground-truth anomaly labels, existing methods mainly rely on unsupervised anomaly detection…

Artificial Intelligence · Computer Science 2026-04-21 Wei Huang , Yuxuan Xiong , Hezhe Qiao , Yu-Ming Shang , Xiangling Fu , Guansong Pang

Modern recommendation systems involve massive catalogs of multimodal items, where scalable item identification must balance compactness, semantic fidelity, and downstream effectiveness. Semantic IDs (SIDs) address this need by representing…

Information Retrieval · Computer Science 2026-04-28 Yongsen Pan , Yuxin Chen , Zheng Hu , Xu Yuan , Daoyuan Wang , Yuting Yin , Songhao Ni , Hongyang Wang , Jun Wang , Fuji Ren , Wenwu Ou

Within (semi-)automated visual industrial inspection, learning-based approaches for assessing visual defects, including deep neural networks, enable the processing of otherwise small defect patterns in pixel size on high-resolution imagery.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 André Luiz Buarque Vieira e Silva , Francisco Simões , Danny Kowerko , Tobias Schlosser , Felipe Battisti , Veronica Teichrieb

Multimodal Large Language Models (MLLMs) have achieved impressive success in natural visual understanding, yet they consistently underperform in industrial anomaly detection (IAD). This is because MLLMs trained mostly on general web data…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Xi Jiang , Yue Guo , Jian Li , Yong Liu , Bin-Bin Gao , Hanqiu Deng , Jun Liu , Heng Zhao , Chengjie Wang , Feng Zheng

Recently, large vision and language models have shown their success when adapting them to many downstream tasks. In this paper, we present a unified framework named CLIP-ADA for Anomaly Detection by Adapting a pre-trained CLIP model. To…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Yuxuan Cai , Xinwei He , Dingkang Liang , Ao Tong , Xiang Bai