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In recent years, multi-view outlier detection (MVOD) methods have advanced significantly, aiming to identify outliers within multi-view datasets. A key point is to better detect class outliers and class-attribute outliers, which only exist…

Multimedia · Computer Science 2024-08-16 Yijia Wang , Qianqian Xu , Yangbangyan Jiang , Siran Dai , Qingming Huang

In recent years, many mammographic image analysis methods have been introduced for improving cancer classification tasks. Two major issues of mammogram classification tasks are leveraging multi-view mammographic information and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Thanh-Huy Nguyen , Quang Hien Kha , Thai Ngoc Toan Truong , Ba Thinh Lam , Ba Hung Ngo , Quang Vinh Dinh , Nguyen Quoc Khanh Le

Multi-view graph clustering (MGC) methods are increasingly being studied due to the explosion of multi-view data with graph structural information. The critical point of MGC is to better utilize view-specific and view-common information in…

Machine Learning · Computer Science 2024-12-24 Jianpeng Chen , Yawen Ling , Jie Xu , Yazhou Ren , Shudong Huang , Xiaorong Pu , Zhifeng Hao , Philip S. Yu , Lifang He

In the context of solving inverse problems for physics applications within a Bayesian framework, we present a new approach, Markov Chain Generative Adversarial Neural Networks (MCGANs), to alleviate the computational costs associated with…

Numerical Analysis · Mathematics 2022-09-08 Nikolaj T. Mücke , Benjamin Sanderse , Sander Bohté , Cornelis W. Oosterlee

Finding accurate correspondences among different views is the Achilles' heel of unsupervised Multi-View Stereo (MVS). Existing methods are built upon the assumption that corresponding pixels share similar photometric features. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Di Chang , Aljaž Božič , Tong Zhang , Qingsong Yan , Yingcong Chen , Sabine Süsstrunk , Matthias Nießner

Multi-view learning often faces challenges in effectively leveraging images captured from different angles and locations. This challenge is particularly pronounced when addressing inconsistencies and uncertainties between views. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Jiwoong Yang , Haejun Chung , Ikbeom Jang

One of the biggest issues facing the use of machine learning in medical imaging is the lack of availability of large, labelled datasets. The annotation of medical images is not only expensive and time consuming but also highly dependent on…

Data slice finding is an emerging technique for validating machine learning (ML) models by identifying and analyzing subgroups in a dataset that exhibit poor performance, often characterized by distinct feature sets or descriptive metadata.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Xiwei Xuan , Jorge Piazentin Ono , Liang Gou , Kwan-Liu Ma , Liu Ren

Recent self-supervised contrastive learning provides an effective approach for unsupervised person re-identification (ReID) by learning invariance from different views (transformed versions) of an input. In this paper, we incorporate a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Hao Chen , Yaohui Wang , Benoit Lagadec , Antitza Dantcheva , Francois Bremond

Generative adversarial networks (GANs) have emerged as a powerful tool for generating high-fidelity data. However, the main bottleneck of existing approaches is the lack of supervision on the generator training, which often results in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Baoren Xiao , Hao Ni , Weixin Yang

While numerous Video Violence Detection (VVD) methods have focused on representation learning in Euclidean space, they struggle to learn sufficiently discriminative features, leading to weaknesses in recognizing normal events that are…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Jiaxu Leng , Zhanjie Wu , Mingpi Tan , Yiran Liu , Ji Gan , Haosheng Chen , Xinbo Gao

The rising use of machine learning in various fields requires robust methods to create synthetic tabular data. Data should preserve key characteristics while addressing data scarcity challenges. Current approaches based on Generative…

Machine Learning · Computer Science 2024-11-15 Patricia A. Apellániz , Juan Parras , Santiago Zazo

Classification of galactic morphologies is a crucial task in galactic astronomy, and identifying fine structures of galaxies (e.g., spiral arms, bars, and clumps) is an essential ingredient in such a classification task. However, seeing…

Instrumentation and Methods for Astrophysics · Physics 2021-03-30 Fang Kai Gan , Kenji Bekki , Abdolhosein Hashemizadeh

Real-world machine learning systems need to analyze test data that may differ from training data. In K-way classification, this is crisply formulated as open-set recognition, core to which is the ability to discriminate open-set data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Shu Kong , Deva Ramanan

Generative models trained in an unsupervised manner may set high likelihood and low reconstruction loss to Out-of-Distribution (OoD) samples. This increases Type II errors and leads to missed anomalies, overall decreasing Anomaly Detection…

Machine Learning · Computer Science 2022-02-03 Nikolaos Dionelis , Mehrdad Yaghoobi , Sotirios A. Tsaftaris

We introduce powerful ideas from Hyperdimensional Computing into the challenging field of Out-of-Distribution (OOD) detection. In contrast to most existing work that performs OOD detection based on only a single layer of a neural network,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Samuel Wilson , Tobias Fischer , Niko Sünderhauf , Feras Dayoub

Machine learning techniques can automatically identify outliers in massive datasets, much faster and more reproducible than human inspection ever could. But finding such outliers immediately leads to the question: which features render this…

Machine Learning · Computer Science 2023-11-01 Jeff Shen , Peter Melchior

This paper addresses the problem of cross-domain change detection from a novel perspective of image-to-image translation. In general, change detection aims to identify interesting changes between a given query image and a reference image of…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Yamaguchi Kousuke , Tanaka Kanji , Sugimoto Takuma

Generative Adversarial Networks (GANs) have recently achieved unprecedented success in photo-realistic image synthesis from low-dimensional random noise. The ability to synthesize high-quality content at a large scale brings potential risks…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Celia Cintas , Skyler Speakman , Girmaw Abebe Tadesse , Victor Akinwande , Edward McFowland , Komminist Weldemariam

Multiple-view visualization (MV) is a layout design technique often employed to help users see a large number of data attributes and values in a single cohesive representation. Because of its generalizability, the MV design has been widely…

Human-Computer Interaction · Computer Science 2020-08-05 Xi Chen , Wei Zeng , Yanna Lin , Hayder Mahdi Al-maneea , Jonathan Roberts , Remco Chang
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