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Inference in clustering is paramount to uncovering inherent group structure in data. Clustering methods which assess statistical significance have recently drawn attention owing to their importance for the identification of patterns in high…

统计方法学 · 统计学 2021-06-18 Debora Zava Bello , Marcio Valk , Gabriela Bettella Cybis

We employ unsupervised machine learning to enhance the accuracy of our recently presented scaling method for wave confinement analysis [1]. We employ the standard k-means++ algorithm as well as our own model-based algorithm. We investigate…

Deep clustering against self-supervised learning is a very important and promising direction for unsupervised visual representation learning since it requires little domain knowledge to design pretext tasks. However, the key component,…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Weijie Chen , Shiliang Pu , Di Xie , Shicai Yang , Yilu Guo , Luojun Lin

Deep learning is a topic of considerable current interest. The availability of massive data collections and powerful software resources has led to an impressive amount of results in many application areas that reveal essential but hidden…

Unsupervised learning has gained prominence in the big data era, offering a means to extract valuable insights from unlabeled datasets. Deep clustering has emerged as an important unsupervised category, aiming to exploit the non-linear…

机器学习 · 计算机科学 2024-02-02 Georgios Vardakas , Ioannis Papakostas , Aristidis Likas

In this paper, we present a novel non-parametric clustering technique. Our technique is based on the notion that each latent cluster is comprised of layers that surround its core, where the external layers, or border points, implicitly…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Hadar Averbuch-Elor , Nadav Bar , Daniel Cohen-Or

We propose a simple and efficient clustering method for high-dimensional data with a large number of clusters. Our algorithm achieves high-performance by evaluating distances of datapoints with a subset of the cluster centres. Our…

机器学习 · 计算机科学 2022-03-30 Georgios Exarchakis , Omar Oubari , Gregor Lenz

Co-clustering simultaneously clusters rows and columns, revealing more fine-grained groups. However, existing co-clustering methods suffer from poor scalability and cannot handle large-scale data. This paper presents a novel and scalable…

分布式、并行与集群计算 · 计算机科学 2025-03-20 Zihan Wu , Zhaoke Huang , Hong Yan

Due to limitations in data quality, some essential visual tasks are difficult to perform independently. Introducing previously unavailable information to transfer informative dark knowledge has been a common way to solve such hard tasks.…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Lingyu Si , Hongwei Dong , Wenwen Qiang , Junzhi Yu , Wenlong Zhai , Changwen Zheng , Fanjiang Xu , Fuchun Sun

Algorithms for clustering points in metric spaces is a long-studied area of research. Clustering has seen a multitude of work both theoretically, in understanding the approximation guarantees possible for many objective functions such as…

数据结构与算法 · 计算机科学 2019-05-27 Maria-Florina Balcan , Travis Dick , Colin White

Medical image analysis using supervised deep learning methods remains problematic because of the reliance of deep learning methods on large amounts of labelled training data. Although medical imaging data repositories continue to expand…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Euijoon Ahn , Ashnil Kumar , Dagan Feng , Michael Fulham , Jinman Kim

Model selection is a major challenge in non-parametric clustering. There is no universally admitted way to evaluate clustering results for the obvious reason that no ground truth is available. The difficulty to find a universal evaluation…

机器学习 · 计算机科学 2023-05-18 Alex Mourer , Florent Forest , Mustapha Lebbah , Hanane Azzag , Jérôme Lacaille

The continually increasing number of complex datasets each year necessitates ever improving machine learning methods for robust and accurate categorization of these data. This paper introduces Random Multimodel Deep Learning (RMDL): a new…

机器学习 · 计算机科学 2018-06-01 Kamran Kowsari , Mojtaba Heidarysafa , Donald E. Brown , Kiana Jafari Meimandi , Laura E. Barnes

We present a new fast online clustering algorithm that reliably recovers arbitrary-shaped data clusters in high throughout data streams. Unlike the existing state-of-the-art online clustering methods based on k-means or k-medoid, it does…

人工智能 · 计算机科学 2015-06-11 Krzysztof Choromanski , Sanjiv Kumar , Xiaofeng Liu

Recent research in clustering face embeddings has found that unsupervised, shallow, heuristic-based methods -- including $k$-means and hierarchical agglomerative clustering -- underperform supervised, deep, inductive methods. While the…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Tyler R. Scott , Ting Liu , Michael C. Mozer , Andrew C. Gallagher

Clustering is an unsupervised machine learning method grouping data samples into clusters of similar objects. In practice, clustering has been used in numerous applications such as banking customers profiling, document retrieval, image…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Raphaël Couturier , Hassan N. Noura , Ola Salman , Abderrahmane Sider

Characterizing the ground state properties of quantum systems is fundamental to capturing their behavior but computationally challenging. Recent advances in AI have introduced novel approaches, with diverse machine learning (ML) and deep…

机器学习 · 计算机科学 2025-05-21 Yusheng Zhao , Chi Zhang , Yuxuan Du

Deep clustering (DC) has become the state-of-the-art for unsupervised clustering. In principle, DC represents a variety of unsupervised methods that jointly learn the underlying clusters and the latent representation directly from…

机器学习 · 计算机科学 2020-05-22 Lele Cao , Sahar Asadi , Wenfei Zhu , Christian Schmidli , Michael Sjöberg

Cluster analysis is an unsupervised learning strategy that can be employed to identify subgroups of observations in data sets of unknown structure. This strategy is particularly useful for analyzing high-dimensional data such as microarray…

统计方法学 · 统计学 2016-10-07 Erika S. Helgeson , Eric Bair

Subspace clustering techniques have shown promise in hyperspectral image segmentation. The fundamental assumption in subspace clustering is that the samples belonging to different clusters/segments lie in separable subspaces. What if this…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Anurag Goel , Angshul Majumdar