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Co-localization is the problem of localizing objects of the same class using only the set of images that contain them. This is a challenging task because the object detector must be built without negative examples that can lead to more…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Hieu Le , Chen-Ping Yu , Gregory Zelinsky , Dimitris Samaras

Functional principal component analysis (FPCA) is a widely used technique in functional data analysis for identifying the primary sources of variation in a sample of random curves. The eigenfunctions obtained from standard FPCA typically…

Methodology · Statistics 2025-06-04 Maria Laura Battagliola , Jan O. Bauer

The unsupervised anomaly localization task faces the challenge of missing anomaly sample training, detecting multiple types of anomalies, and dealing with the proportion of the area of multiple anomalies. A separate teacher-student feature…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Chao Hu , Shengxin Lai

Although unsupervised generative modeling of an image dataset using a Variational AutoEncoder (VAE) has been used to detect anomalous images, or anomalous regions in images, recent works have shown that this method often identifies images…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 David Dehaene , Pierre Eline

Unsupervised industrial anomaly detection (UAD) is essential for modern manufacturing inspection, where defect samples are scarce and reliable detection is required. In this paper, we propose HLGFA, a high-low resolution guided feature…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Han Zhou , Yuxuan Gao , Yinchao Du , Xuezhe Zheng

The scarcity of annotated data, particularly for rare diseases, limits the variability of training data and the range of detectable lesions, presenting a significant challenge for supervised anomaly detection in medical imaging. To solve…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Yiming Huang , Guole Liu , Yaoru Luo , Ge Yang

This paper describes LOCL (Learning Object Attribute Composition using Localization) that generalizes composition zero shot learning to objects in cluttered and more realistic settings. The problem of unseen Object Attribute (OA)…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Satish Kumar , ASM Iftekhar , Ekta Prashnani , B. S. Manjunath

Automatic image anomaly detection is important for quality inspection in the manufacturing industry. The usual unsupervised anomaly detection approach is to train a model for each object class using a dataset of normal samples. However, a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Yuanwei Li , Elizaveta Ivanova , Martins Bruveris

We present a quantum-native approach to quantum feature selection (QFS) based on analog quantum simulation with neutral atom arrays, adaptable to a variety of academic and industrial applications. In our method, feature relevance-measured…

This paper presents new algorithms to solve the feature-sparsity constrained PCA problem (FSPCA), which performs feature selection and PCA simultaneously. Existing optimization methods for FSPCA require data distribution assumptions and are…

Machine Learning · Computer Science 2019-05-28 Lai Tian , Feiping Nie , Xuelong Li

We develop quantum protocols for anomaly detection and apply them to the task of credit card fraud detection (FD). First, we establish classical benchmarks based on supervised and unsupervised machine learning methods, where average…

Quantum Physics · Physics 2022-08-03 Oleksandr Kyriienko , Einar B. Magnusson

This paper presents a survey and a comparative evaluation of recent techniques for moving cast shadow detection. We identify shadow removal as a critical step for improving object detection and tracking. The survey covers methods published…

Computer Vision and Pattern Recognition · Computer Science 2013-04-05 Andres Sanin , Conrad Sanderson , Brian C. Lovell

Manufacturing industries require efficient and voluminous production of high-quality finished goods. In the context of Industry 4.0, visual anomaly detection poses an optimistic solution for automatically controlled product quality with…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Devang Mehta , Noah Klarmann

We propose a novel certified defense method for Image Quality Assessment (IQA) models based on randomized smoothing with noise applied in the feature space rather than the input space. Unlike prior approaches that inject Gaussian noise…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Ekaterina Shumitskaya , Dmitriy Vatolin , Anastasia Antsiferova

This paper studies face recognition (FR) and normalization in surveillance imagery. Surveillance FR is a challenging problem that has great values in law enforcement. Despite recent progress in conventional FR, less effort has been devoted…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Xi Yin , Ying Tai , Yuge Huang , Xiaoming Liu

Quantum machine learning carries the promise to revolutionize information and communication technologies. While a number of quantum algorithms with potential exponential speedups have been proposed already, it is quite difficult to provide…

Quantum Physics · Physics 2020-11-20 Iordanis Kerenidis , Alessandro Luongo

Few-shot anomaly detection (FSAD) denotes the identification of anomalies within a target category with a limited number of normal samples. Existing FSAD methods largely rely on pre-trained feature representations to detect anomalies, but…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Yuxin Jiang , Yunkang Cao , Weiming Shen

Face recognition is one of the most ubiquitous examples of pattern recognition in machine learning, with numerous applications in security, access control, and law enforcement, among many others. Pattern recognition with classical…

Scene rearrangement, like table tidying, is a challenging task in robotic manipulation due to the complexity of predicting diverse object arrangements. Web-scale trained generative models such as Stable Diffusion can aid by generating…

Robotics · Computer Science 2024-12-03 Shutong Jin , Ruiyu Wang , Kuangyi Chen , Florian T. Pokorny

Existing face sketch synthesis (FSS) similarity measures are sensitive to slight image degradation (e.g., noise, blur). However, human perception of the similarity of two sketches will consider both structure and texture as essential…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Deng-Ping Fan , ShengChuan Zhang , Yu-Huan Wu , Ming-Ming Cheng , Bo Ren , Rongrong Ji , Paul L Rosin