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Contrastive learning has achieved promising performance in the field of multi-view clustering recently. However, the positive and negative sample construction mechanisms ignoring semantic consistency lead to false negative pairs, limiting…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Siwen Liu , Jinyan Liu , Hanning Yuan , Qi Li , Jing Geng , Ziqiang Yuan , Huaxu Han

Subspace clustering refers to the problem of clustering unlabeled high-dimensional data points into a union of low-dimensional linear subspaces, assumed unknown. In practice one may have access to dimensionality-reduced observations of the…

信息论 · 计算机科学 2014-04-29 Reinhard Heckel , Michael Tschannen , Helmut Bölcskei

Cluster analysis, or clustering, plays a crucial role across numerous scientific and engineering domains. Despite the wealth of clustering methods proposed over the past decades, each method is typically designed for specific scenarios and…

统计方法学 · 统计学 2026-01-22 Siyi Wang , Alexandre Leblanc , Paul D. McNicholas

Heterogeneous Information Network (HIN) embedding refers to the low-dimensional projections of the HIN nodes that preserve the HIN structure and semantics. HIN embedding has emerged as a promising research field for network analysis as it…

机器学习 · 计算机科学 2021-08-10 Rayyan Ahmad Khan , Martin Kleinsteuber

The clustering of data into physically meaningful subsets often requires assumptions regarding the number, size, or shape of the subgroups. Here, we present a new method, simultaneous coherent structure coloring (sCSC), which accomplishes…

机器学习 · 统计学 2019-11-26 Brooke E. Husic , Kristy L. Schlueter-Kuck , John O. Dabiri

Subspace clustering is the problem of partitioning unlabeled data points into a number of clusters so that data points within one cluster lie approximately on a low-dimensional linear subspace. In many practical scenarios, the…

机器学习 · 统计学 2019-01-24 Yining Wang , Yu-Xiang Wang , Aarti Singh

Depth completion is a long-standing challenge in computer vision, where classification-based methods have made tremendous progress in recent years. However, most existing classification-based methods rely on pre-defined pixel-shared and…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Chen Shenglun , Zhang Hong , Ma XinZhu , Wang Zhihui , Li Haojie

Anchor-based multi-view clustering (MVC) has received extensive attention due to its efficient performance. Existing methods only focus on how to dynamically learn anchors from the original data and simultaneously construct anchor graphs…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yawei Chen , Huibing Wang , Jinjia Peng , Yang Wang

Metric learning has become an attractive field for research on the latest years. Loss functions like contrastive loss, triplet loss or multi-class N-pair loss have made possible generating models capable of tackling complex scenarios with…

机器学习 · 计算机科学 2019-05-28 Alfonso Medela , Artzai Picon

Attributed graph clustering, which aims to group the nodes of an attributed graph into disjoint clusters, has made promising advancements in recent years. However, most existing methods face challenges when applied to large graphs due to…

机器学习 · 计算机科学 2024-08-13 Yunhui Liu , Tieke He , Qing Wu , Tao Zheng , Jianhua Zhao

We introduce a new algorithm, called CDER, for supervised machine learning that merges the multi-scale geometric properties of Cover Trees with the information-theoretic properties of entropy. CDER applies to a training set of labeled…

机器学习 · 计算机科学 2018-01-23 Abraham Smith , Paul Bendich , John Harer , Alex Pieloch , Jay Hineman

The paper has been withdrawn since more effective experiments should be completed. Auto-encoders (AE) has been widely applied in different fields of machine learning. However, as a deep model, there are a large amount of learnable…

机器学习 · 计算机科学 2017-03-14 Zihao Wang , Yiuming Cheung

Sparse subspace clustering (SSC) is one of the current state-of-the-art methods for partitioning data points into the union of subspaces, with strong theoretical guarantees. However, it is not practical for large data sets as it requires…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Maryam Abdolali , Nicolas Gillis , Mohammad Rahmati

An angular clustering method based on image processing is proposed in this paper. It is used to identify clusters in 2D representations of propagation channels. The approach uses operations such as watershed segmentation and is particularly…

信号处理 · 电气工程与系统科学 2021-09-17 Pengfei Lyu , Aziz Benlarbi-Delaï , Zhuoxiang Ren , Julien Sarrazin

Clustering is one of the most fundamental and wide-spread techniques in exploratory data analysis. Yet, the basic approach to clustering has not really changed: a practitioner hand-picks a task-specific clustering loss to optimize and fit…

机器学习 · 计算机科学 2019-11-01 Yibo Jiang , Nakul Verma

Clustering images according to their acquisition devices is a well-known problem in multimedia forensics, which is typically faced by means of camera Sensor Pattern Noise (SPN). Such an issue is challenging since SPN is a noise-like signal,…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Quoc-Tin Phan , Giulia Boato , Francesco G. B. De Natale

Clustering in high dimension spaces is a difficult task; the usual distance metrics may no longer be appropriate under the curse of dimensionality. Indeed, the choice of the metric is crucial, and it is highly dependent on the dataset…

机器学习 · 计算机科学 2023-02-14 Simo Alami. C , Rim Kaddah , Jesse Read

Deep learning methods in the literature are commonly benchmarked on image data sets, which may not be suitable or effective baselines for non-image tabular data. In this paper, we take a data-centric view to perform one of the first studies…

机器学习 · 计算机科学 2023-01-12 Sakib Abrar , Ali Sekmen , Manar D. Samad

In this paper, we propose MADCluster, a novel model-agnostic anomaly detection framework utilizing self-supervised clustering. MADCluster is applicable to various deep learning architectures and addresses the 'hypersphere collapse' problem…

人工智能 · 计算机科学 2025-06-12 Sangyong Lee , Subo Hwang , Dohoon Kim

Current state-of-the-art instance segmentation methods are not suited for real-time applications like autonomous driving, which require fast execution times at high accuracy. Although the currently dominant proposal-based methods have high…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Davy Neven , Bert De Brabandere , Marc Proesmans , Luc Van Gool
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