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Anomaly detection is nowadays increasingly used in industrial applications and processes. One of the main fields of the appliance is the visual inspection for surface anomaly detection, which aims to spot regions that deviate from…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Niccolò Ferrari , Michele Fraccaroli , Evelina Lamma

This paper presents the first application of neural architecture search to the complex task of segmenting visual anomalies. Measurement of anomaly segmentation performance is challenging due to imbalanced anomaly pixels, varying region…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Tommie Kerssies , Joaquin Vanschoren

The majority of modern consumer-level energy is generated by real-time smart metering systems. These frequently contain anomalies, which prevent reliable estimates of the series' evolution. This work introduces a hybrid modeling approach…

机器学习 · 计算机科学 2024-04-09 Sarit Maitra , Sukanya Kundu , Aishwarya Shankar

Detecting anomalies in images is an important task, especially in real-time computer vision applications. In this work, we focus on computational efficiency and propose a lightweight feature extractor that processes an image in less than a…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Kilian Batzner , Lars Heckler , Rebecca König

In the area of fewshot anomaly detection (FSAD), efficient visual feature plays an essential role in memory bank M-based methods. However, these methods do not account for the relationship between the visual feature and its rotated visual…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Guoyang Xie , Jinbao Wang , Jiaqi Liu , Feng Zheng , Yaochu Jin

The integration of large-scale circuits and systems emphasizes the importance of automated defect detection of electronic components. The YOLO image detection model has been used to detect PCB defects and it has become a typical AI-assisted…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Hengyi Zhu , Linye Wei , He Li

Local Hebbian learning is believed to be inferior in performance to end-to-end training using a backpropagation algorithm. We question this popular belief by designing a local algorithm that can learn convolutional filters at scale on large…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Leopold Grinberg , John Hopfield , Dmitry Krotov

Multimodal industrial anomaly detection benefits from integrating RGB appearance with 3D surface geometry, yet existing \emph{unsupervised} approaches commonly rely on memory banks, teacher-student architectures, or fragile fusion schemes,…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Radia Daci , Vito Renò , Cosimo Patruno , Angelo Cardellicchio , Abdelmalik Taleb-Ahmed , Marco Leo , Cosimo Distante

The performance of PatchMatch-based multi-view stereo algorithms depends heavily on the source views selected for computing matching costs. Instead of modeling the visibility of different views, most existing approaches handle occlusions in…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Zhentao Huang , Yukun Shi , Minglun Gong

Holographic representations of data enable distributed storage with progressive refinement when the stored packets of data are made available in any arbitrary order. In this paper, we propose and test patch-based transform coding…

Human operators often diagnose industrial machinery via anomalous sounds. Automated acoustic anomaly detection can lead to reliable maintenance of machinery. However, deep learning-driven anomaly detection methods often require an extensive…

声音 · 计算机科学 2021-04-20 Saad Abbasi , Mahmoud Famouri , Mohammad Javad Shafiee , Alexander Wong

Traditional feature encoding scheme (e.g., Fisher vector) with local descriptors (e.g., SIFT) and recent convolutional neural networks (CNNs) are two classes of successful methods for image recognition. In this paper, we propose a hybrid…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Zhe Wang , Limin Wang , Yali Wang , Bowen Zhang , Yu Qiao

Visual anomaly detection in real-world industrial settings faces two major limitations. First, most existing methods are trained on purely normal data or on unlabeled datasets assumed to be predominantly normal, presuming the absence of…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Anindya Sundar Das , Monowar Bhuyan

One persistent obstacle in industrial quality inspection is the detection of anomalies. In real-world use cases, two problems must be addressed: anomalous data is sparse and the same types of anomalies need to be detected on previously…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Jonas Bühler , Jonas Fehrenbach , Lucas Steinmann , Christian Nauck , Marios Koulakis

In this study, state-of-the-art unsupervised detection models were evaluated for the purpose of automated anomaly inspection of wool carpets. A custom dataset of four unique types of carpet textures was created to thoroughly test the models…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Briony Forsberg , Dr Henry Williams , Prof Bruce MacDonald , Tracy Chen , Dr Kirstine Hulse

Automated surface inspection is an important task in many manufacturing industries and often requires machine learning driven solutions. Supervised approaches, however, can be challenging, since it is often difficult to obtain large amounts…

计算机视觉与模式识别 · 计算机科学 2018-11-19 Matthias Haselmann , Dieter P. Gruber , Paul Tabatabai

A common study area in anomaly identification is industrial images anomaly detection based on texture background. The interference of texture images and the minuteness of texture anomalies are the main reasons why many existing models fail…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Yaohua Guo , Lijuan Song , Zirui Ma

Additive manufacturing enables the fabrication of complex designs while minimizing waste, but faces challenges related to defects and process anomalies. This study presents a novel multimodal Retrieval-Augmented Generation-based framework…

人工智能 · 计算机科学 2025-05-21 Kiarash Naghavi Khanghah , Zhiling Chen , Lela Romeo , Qian Yang , Rajiv Malhotra , Farhad Imani , Hongyi Xu

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

In this paper, we address the problem of image anomaly detection and segmentation. Anomaly detection involves making a binary decision as to whether an input image contains an anomaly, and anomaly segmentation aims to locate the anomaly on…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Jihun Yi , Sungroh Yoon