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Quality inspection applications in industry are required to move towards a zero-defect manufacturing scenario, withnon-destructive inspection and traceability of 100 % of produced parts. Developing robust fault detection and classification…

计算机视觉与模式识别 · 计算机科学 2021-07-08 Julen Balzategui , Luka Eciolaza , Daniel Maestro-Watson

Traditional semantic segmentation methods can recognize at test time only the classes that are present in the training set. This is a significant limitation, especially for semantic segmentation algorithms mounted on intelligent autonomous…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Dario Fontanel , Fabio Cermelli , Massimiliano Mancini , Barbara Caputo

In the generator of typical Generative Adversarial Networks (GANs), a noise is inputted to generate fake samples via a series of convolutional operations. However, current noise generation models merely relies on the information from the…

机器学习 · 计算机科学 2020-05-15 Shaoning Zeng , Bob Zhang

The goal of anomaly detection is to identify examples that deviate from normal or expected behavior. We tackle this problem for images. We consider a two-phase approach. First, using normal examples, a convolutional autoencoder (CAE) is…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Natasa Sarafijanovic-Djukic , Jesse Davis

Automatic detection of anomalies such as weapons or threat objects in baggage security, or detecting impaired items in industrial production is an important computer vision task demanding high efficiency and accuracy. Most of the available…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Rushikesh Zawar , Krupa Bhayani , Neelanjan Bhowmik , Kamlesh Tiwari , Dhiraj Sangwan

Generative adversarial networks (GANs) are able to model the complex highdimensional distributions of real-world data, which suggests they could be effective for anomaly detection. However, few works have explored the use of GANs for the…

机器学习 · 计算机科学 2019-05-03 Houssam Zenati , Chuan Sheng Foo , Bruno Lecouat , Gaurav Manek , Vijay Ramaseshan Chandrasekhar

When recording the movement of individual animals, cells or molecules one will often observe changes in their diffusive behaviour at certain points in time along their trajectory. In order to capture the different diffusive modes assembled…

统计力学 · 物理学 2024-10-21 Henrik Seckler , Ralf Metzler

Due to the limited availability of anomalous samples for training, video anomaly detection is commonly viewed as a one-class classification problem. Many prevalent methods investigate the reconstruction difference produced by AutoEncoders…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Xiangyu Huang , Caidan Zhao , Chenxing Gao , Lvdong Chen , Zhiqiang Wu

Few-shot multi-class industrial anomaly detection identifies diverse defects across multiple categories using a single unified model and limited normal samples. Although vision-language models offer strong generalization, modeling multiple…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Runzhi Deng , Yundi Hu , Xinshuang Zhang , Zhao Wang , Xixi Liu , Wang-Zhou Dai , Caifeng Shan , Fang Zhao

Current deep networks are very data-hungry and benefit from training on largescale datasets, which are often time-consuming to collect and annotate. By contrast, synthetic data can be generated infinitely using generative models such as…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Weijia Wu , Yuzhong Zhao , Hao Chen , Yuchao Gu , Rui Zhao , Yefei He , Hong Zhou , Mike Zheng Shou , Chunhua Shen

Insufficient recordings and the scarcity of anomalies present significant challenges in developing and validating robust anomaly detection systems for machine sounds. To address these limitations, we propose a novel approach for generating…

音频与语音处理 · 电气工程与系统科学 2024-09-30 Harsh Purohit , Tomoya Nishida , Kota Dohi , Takashi Endo , Yohei Kawaguchi

Anomaly Detection and Segmentation (AD&S) is crucial for industrial quality control. While existing methods excel in generating anomaly scores for each pixel, practical applications require producing a binary segmentation to identify…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Alex Costanzino , Pierluigi Zama Ramirez , Mirko Del Moro , Agostino Aiezzo , Giuseppe Lisanti , Samuele Salti , Luigi Di Stefano

Learning from noisy labels is a challenge that arises in many real-world applications where training data can contain incorrect or corrupted labels. When fine-tuning language models with noisy labels, models can easily overfit the label…

计算与语言 · 计算机科学 2023-06-14 Yuchen Zhuang , Yue Yu , Lingkai Kong , Xiang Chen , Chao Zhang

In medical imaging, un-, semi-, or self-supervised pathology detection is often approached with anomaly- or out-of-distribution detection methods, whose inductive biases are not intentionally directed towards detecting pathologies, and are…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Felix Meissen , Georgios Kaissis , Daniel Rueckert

Anomaly detection plays a crucial role in industrial settings, particularly in maintaining the reliability and optimal performance of cooling systems. Traditional anomaly detection methods often face challenges in handling diverse data…

机器学习 · 计算机科学 2024-04-26 Sarala Naidu , Ning Xiong

Most current methods for detecting anomalies in text concentrate on constructing models solely relying on unlabeled data. These models operate on the presumption that no labeled anomalous examples are available, which prevents them from…

机器学习 · 计算机科学 2023-08-24 Anindya Sundar Das , Aravind Ajay , Sriparna Saha , Monowar Bhuyan

We propose Anomagic, a zero-shot anomaly generation method that produces semantically coherent anomalies without requiring any exemplar anomalies. By unifying both visual and textual cues through a crossmodal prompt encoding scheme,…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Yuxin Jiang , Wei Luo , Hui Zhang , Qiyu Chen , Haiming Yao , Weiming Shen , Yunkang Cao

Deep generative models for anomaly detection in multivariate time-series are typically trained by maximizing data likelihood. However, likelihood in observation space measures marginal density rather than conformity to structured temporal…

人工智能 · 计算机科学 2026-03-13 David Baumgartner , Eliezer de Souza da Silva , Iñigo Urteaga

In the context of flexible manufacturing systems that are required to produce different types and quantities of products with minimal reconfiguration, this paper addresses the problem of unsupervised multi-class anomaly detection: develop a…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Haonan Yin , Guanlong Jiao , Qianhui Wu , Borje F. Karlsson , Biqing Huang , Chin Yew Lin

Image generation can solve insufficient labeled data issues in defect detection. Most defect generation methods are only trained on a single product without considering the consistencies among multiple products, leading to poor quality and…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Qingfeng Shi , Jing Wei , Fei Shen , Zhengtao Zhang
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