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Recently, deep matrix factorization has been established as a powerful model for unsupervised tasks, achieving promising results, especially for multi-view clustering. However, existing methods often lack effective feature selection…

机器学习 · 统计学 2024-12-04 Yasser Khalafaoui , Basarab Matei , Martino Lovisetto , Nistor Grozavu

We investigate the high-dimensional data clustering problem by proposing a novel and unsupervised representation learning model called Robust Flexible Auto-weighted Local-coordinate Concept Factorization (RFA-LCF). RFA-LCF integrates the…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Zhao Zhang , Yan Zhang , Sheng Li , Guangcan Liu , Meng Wang , Shuicheng Yan

Concept Factorization (CF) and its variants may produce inaccurate representation and clustering results due to the sensitivity to noise, hard constraint on the reconstruction error and pre-obtained approximate similarities. To improve the…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Zhao Zhang , Yan Zhang , Sheng Li , Guangcan Liu , Dan Zeng , Shuicheng Yan , Meng Wang

White matter fiber clustering (WMFC) enables parcellation of white matter tractography for applications such as disease classification and anatomical tract segmentation. However, the lack of ground truth and the ambiguity of fiber data (the…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Yuqian Chen , Chaoyi Zhang , Yang Song , Nikos Makris , Yogesh Rathi , Weidong Cai , Fan Zhang , Lauren J. O'Donnell

Due to its ability to combine multiple base clusterings into a probably better and more robust clustering, the ensemble clustering technique has been attracting increasing attention in recent years. Despite the significant success, one…

机器学习 · 计算机科学 2020-01-01 Dong Huang , Chang-Dong Wang , Jian-Huang Lai

Ensuring that predicted probabilities align with observed frequencies is critical in high-stakes domains such as clinical decision support, autonomous driving and financial risk assessment. Existing calibration methods typically apply a…

机器学习 · 计算机科学 2026-05-26 Tomer Lavi , Bracha Shapira , Nadav Rappoport

Exploiting different representations, or views, of the same object for better clustering has become very popular these days, which is conventionally called multi-view clustering. Generally, it is essential to measure the importance of each…

机器学习 · 计算机科学 2019-06-24 Feiping Nie , Jing Li , Xuelong Li

We introduce FAEclust, a novel functional autoencoder framework for cluster analysis of multi-dimensional functional data, data that are random realizations of vector-valued random functions. Our framework features a universal-approximator…

机器学习 · 计算机科学 2025-10-10 Samuel Singh , Shirley Coyle , Mimi Zhang

Labelling tissue components in histology whole slide images (WSIs) is prohibitively labour-intensive: a single slide may contain tens of thousands of structures--cells, nuclei, and other morphologically distinct objects--each requiring…

定量方法 · 定量生物学 2026-04-13 Muhammad Haseeb Ahmad , Sharmila Rajendran , Damion Young , Jon Mason

The exponential growth of scientific literature challenges researchers extracting and synthesizing knowledge. Traditional search engines return many sources without direct, detailed answers, while general-purpose LLMs may offer concise…

信息检索 · 计算机科学 2025-06-24 Sajratul Y. Rubaiat , Hasan M. Jamil

Clustering high-dimensional data, such as images or biological measurements, is a long-standingproblem and has been studied extensively. Recently, Deep Clustering has gained popularity due toits flexibility in fitting the specific…

机器学习 · 计算机科学 2020-12-21 Andreas Kopf , Vincent Fortuin , Vignesh Ram Somnath , Manfred Claassen

Deep clustering outperforms conventional clustering by mutually promoting representation learning and cluster assignment. However, most existing deep clustering methods suffer from two major drawbacks. First, most cluster assignment methods…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Hanxuan Wang , Na Lu , Qinyang Liu

Variational Autoencoders (VAEs) provide a flexible and scalable framework for non-linear dimensionality reduction. However, in application domains such as genomics where data sets are typically tabular and high-dimensional, a black-box…

机器学习 · 统计学 2020-03-10 Kaspar Märtens , Christopher Yau

Recommending items to users has long been a fundamental task, and studies have tried to improve it ever since. Most well-known models commonly employ representation learning to map users and items into a unified embedding space for matching…

Recently, a number of works have studied clustering strategies that combine classical clustering algorithms and deep learning methods. These approaches follow either a sequential way, where a deep representation is learned using a deep…

机器学习 · 计算机科学 2019-06-13 Severine Affeldt , Lazhar Labiod , Mohamed Nadif

State-of-the-art approaches for clustering high-dimensional data utilize deep auto-encoder architectures. Many of these networks require a large number of parameters and suffer from a lack of interpretability, due to the black-box nature of…

机器学习 · 计算机科学 2022-02-28 Alexander Lin , Andrew H. Song , Demba Ba

Weights and directionality of the edges carry a large part of the information we can extract from a complex network. However, many network measures were formulated initially for undirected binary networks. The necessity to incorporate…

社会与信息网络 · 计算机科学 2021-08-31 Tanguy Fardet , Anna Levina

This paper presents a novel approach to binary classification using dynamic logistic ensemble models. The proposed method addresses the challenges posed by datasets containing inherent internal clusters that lack explicit feature-based…

机器学习 · 计算机科学 2024-12-02 Mohammad Zubair Khan , David Li

Spectral Embedding (SE) has often been used to map data points from non-linear manifolds to linear subspaces for the purpose of classification and clustering. Despite significant advantages, the subspace structure of data in the original…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Hira Yaseen , Arif Mahmood

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