English
Related papers

Related papers: AnomalyAgent: Agentic Industrial Anomaly Synthesis…

200 papers

Common knowledge indicates that the process of constructing image datasets usually depends on the time-intensive and inefficient method of manual collection and annotation. Large models offer a solution via data generation. Nonetheless,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Haoran Sun , Haoyu Bian , Shaoning Zeng , Yunbo Rao , Xu Xu , Lin Mei , Jianping Gou

Industrial 3D anomaly detection performance is fundamentally constrained by the scarcity and long-tailed distribution of abnormal samples. To address this challenge, we propose Synthesis4AD, an end-to-end paradigm that leverages…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Yihan Sun , Yuqi Cheng , Junjie Zu , Yuxiang Tan , Guoyang Xie , Yucheng Wang , Yunkang Cao , Weiming Shen

Anomaly detection is a classical problem in computer vision, namely the determination of the normal from the abnormal when datasets are highly biased towards one class (normal) due to the insufficient sample size of the other class…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Samet Akcay , Amir Atapour-Abarghouei , Toby P. Breckon

Large Language Models (LLMs) have advanced artificial intelligence by enabling human-like text generation and natural language understanding. However, their reliance on static training data limits their ability to respond to dynamic,…

Artificial Intelligence · Computer Science 2026-04-02 Aditi Singh , Abul Ehtesham , Saket Kumar , Tala Talaei Khoei , Athanasios V. Vasilakos

We present a novel approach to automatically generate non-trivial task-specific synthetic datasets for hallucination detection. Our approach features a two-step generation-selection pipeline, using hallucination pattern guidance and a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Yong Xie , Karan Aggarwal , Aitzaz Ahmad , Stephen Lau

Recent generative data augmentation methods conditioned on both image and text prompts struggle to balance between fidelity and diversity, as it is challenging to preserve essential image details while aligning with varied text prompts.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Tianchen Zhao , Xuanbai Chen , Zhihua Li , Jun Fang , Dongsheng An , Xiang Xu , Zhuowen Tu , Yifan Xing

Anomaly detection (AD) is essential for industrial inspection and medical diagnosis, yet existing methods typically rely on ``comparing'' test images to normal references from a training set. However, variations in appearance and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Wei Luo , Haiming Yao , Yunkang Cao , Qiyu Chen , Ang Gao , Weiming Shen , Wenyong Yu

Industrial anomaly detection (IAD) plays a crucial role in maintaining the safety and reliability of manufacturing systems. While multimodal large language models (MLLMs) show strong vision-language reasoning abilities, their effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Wei Guan , Jun Lan , Jian Cao , Hao Tan , Huijia Zhu , Weiqiang Wang

Existing image forgery detection (IFD) methods either exploit low-level, semantics-agnostic artifacts or rely on multimodal large language models (MLLMs) with high-level semantic knowledge. Although naturally complementary, these two…

Artificial Intelligence · Computer Science 2026-04-06 Fanrui Zhang , Qiang Zhang , Sizhuo Zhou , Jianwen Sun , Chuanhao Li , Jiaxin Ai , Yukang Feng , Yujie Zhang , Wenjie Li , Zizhen Li , Yifan Chang , Jiawei Liu , Kaipeng Zhang

Prototype-based reconstruction methods for unsupervised anomaly detection utilize a limited set of learnable prototypes which only aggregates insufficient normal information, resulting in undesirable reconstruction. However, increasing the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Ziqing Zhou , Yurui Pan , Lidong Wang , Wenbing Zhu , Mingmin Chi , Dong Wu , Bo Peng

Logs constitute a form of evidence signaling the operational status of software systems. Automated log anomaly detection is crucial for ensuring the reliability of modern software systems. However, existing approaches face significant…

In this paper, we investigate algorithms for anomaly detection. Previous anomaly detection methods focus on modeling the distribution of non-anomalous data provided during training. However, this does not necessarily ensure the correct…

Machine Learning · Computer Science 2020-05-29 Ziyi Yang , Iman Soltani Bozchalooi , Eric Darve

While Vision-Language Models (VLMs) have shown promising progress in general multimodal tasks, they often struggle in industrial anomaly detection and reasoning, particularly in delivering interpretable explanations and generalizing to…

Computation and Language · Computer Science 2025-07-23 Guoxin Zang , Xue Li , Donglin Di , Lanshun Nie , Dechen Zhan , Yang Song , Lei Fan

System Instructions (SIs), or system prompts, are pivotal for guiding Large Language Models (LLMs) but manual crafting is resource-intensive and often suboptimal. Existing automated methods frequently generate non-human-readable "soft…

Artificial Intelligence · Computer Science 2025-07-08 Jeshwanth Challagundla

Traditional Anomaly Detection (AD) methods have predominantly relied on unsupervised learning from extensive normal data. Recent AD methods have evolved with the advent of large pre-trained vision-language models, enhancing few-shot anomaly…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Yiyue Li , Shaoting Zhang , Kang Li , Qicheng Lao

Auxiliary objectives, supplementary learning signals that are introduced to help aid learning on data-starved or highly complex end-tasks, are commonplace in machine learning. Whilst much work has been done to formulate useful auxiliary…

Machine Learning · Computer Science 2023-03-01 Lucio M. Dery , Paul Michel , Mikhail Khodak , Graham Neubig , Ameet Talwalkar

Anomaly detection (AD) is the machine learning task of identifying highly discrepant abnormal samples by solely relying on the consistency of the normal training samples. Under the constraints of a distribution shift, the assumption that…

Machine Learning · Computer Science 2023-12-25 João B. S. Carvalho , Mengtao Zhang , Robin Geyer , Carlos Cotrini , Joachim M. Buhmann

Pre-trained vision-language models (VLMs) are highly adaptable to various downstream tasks through few-shot learning, making prompt-based anomaly detection a promising approach. Traditional methods depend on human-crafted prompts that…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Pi-Wei Chen , Jerry Chun-Wei Lin , Jia Ji , Feng-Hao Yeh , Zih-Ching Chen , Chao-Chun Chen

Vision-language agents that orchestrate specialized tools for image restoration (IR) have emerged as a promising method, yet most existing frameworks operate in a training-free manner. They rely on heuristic task scheduling and exhaustive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yisheng Zhang , Guoli Jia , Haote Hu , Shanxu Zhao , Kaikai Zhao , Long Sun , Xinwei Long , Kai Tian , Che Jiang , Zhaoxiang Liu , Kai Wang , Shiguo Lian , Kaiyan Zhang , Bowen Zhou

The deployment of artificial intelligence (AI) in decision-making applications requires ensuring an appropriate level of safety and reliability, particularly in changing environments that contain a large number of unknown observations. To…

Machine Learning · Computer Science 2024-11-06 Leen Kweider , Maissa Abou Kassem , Ubai Sandouk