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We describe a network clustering framework, based on finite mixture models, that can be applied to discrete-valued networks with hundreds of thousands of nodes and billions of edge variables. Relative to other recent model-based clustering…

统计计算 · 统计学 2020-03-13 Duy Q. Vu , David R. Hunter , Michael Schweinberger

This paper describes the incremental behaviours of Density based clustering. It specially focuses on the Density Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm and its incremental approach.DBSCAN relies on a density…

数据库 · 计算机科学 2014-06-19 Sanjay Chakraborty , N. K. Nagwani

Unified Multimodal models (UMMs) built on a single architecture have shown impressive performance in both understanding and generation. We identify a fundamental challenge that lies in inductive biases induced by distinct supervision…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Renjie Lu , Xulong Zhang , Xiaoyang Qu , Shangfei Wang , Jianzong Wang

Deep clustering methods typically rely on a single, well-defined representation for clustering. In contrast, pretrained diffusion models provide abundant and diverse multi-scale representations across network layers and noise timesteps.…

We propose a deep amortized clustering (DAC), a neural architecture which learns to cluster datasets efficiently using a few forward passes. DAC implicitly learns what makes a cluster, how to group data points into clusters, and how to…

机器学习 · 计算机科学 2019-10-01 Juho Lee , Yoonho Lee , Yee Whye Teh

Data are being collected from various aspects of life. These data can often arrive in chunks/batches. Traditional static clustering algorithms are not suitable for dynamic datasets, i.e., when data arrive in streams of chunks/batches. If we…

机器学习 · 计算机科学 2020-03-31 Mitchell D. Woodbright , Md Anisur Rahman , Md Zahidul Islam

In model-based-clustering mixture models are used to group data points into clusters. A useful concept introduced for Gaussian mixtures by Malsiner Walli et al (2016) are sparse finite mixtures, where the prior distribution on the weight…

统计方法学 · 统计学 2018-08-23 Sylvia Frühwirth-Schnatter , Gertraud Malsiner-Walli

With the introduction of the variational autoencoder (VAE), probabilistic latent variable models have received renewed attention as powerful generative models. However, their performance in terms of test likelihood and quality of generated…

机器学习 · 统计学 2020-01-13 Lars Maaløe , Marco Fraccaro , Valentin Liévin , Ole Winther

Deep multi-view clustering incorporating graph learning has presented tremendous potential. Most methods encounter costly square time consumption w.r.t. data size. Theoretically, anchor-based graph learning can alleviate this limitation,…

机器学习 · 计算机科学 2025-04-15 Bocheng Wang , Chusheng Zeng , Mulin Chen , Xuelong Li

Recent developed deep unsupervised methods allow us to jointly learn representation and cluster unlabelled data. These deep clustering methods mainly focus on the correlation among samples, e.g., selecting high precision pairs to gradually…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Jianlong Wu , Keyu Long , Fei Wang , Chen Qian , Cheng Li , Zhouchen Lin , Hongbin Zha

This paper proposes a nonparametric Bayesian framework called VariScan for simultaneous clustering, variable selection, and prediction in high-throughput regression settings. Poisson-Dirichlet processes are utilized to detect…

统计方法学 · 统计学 2019-10-08 Subharup Guha , Veerabhadran Baladandayuthapani

In multiclass deep network classifiers, the burden of classifying samples of different classes is put on a single classifier. As the result the optimum classification accuracy is not obtained. Also training times are large due to running…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Abdul Mueed Hafiz , Mahmoud Hassaballah

Network meta-analysis (NMA) synthesizes evidence for multiple treatments, but decisions on node formation can have important statistical implications including bias or inflated uncertainty. Existing data-driven methods often lack…

统计方法学 · 统计学 2025-06-30 Timothy Disher , Chris Cameron , Brian Hutton

Graph clustering algorithms with autoencoder structures have recently gained popularity due to their efficient performance and low training cost. However, for existing graph autoencoder clustering algorithms based on GCN or GAT, not only do…

机器学习 · 计算机科学 2024-01-11 Yuanchi Ma , Hui He , Zhongxiang Lei , Zhendong Niu

Conventional survival analysis methods are typically ineffective to characterize heterogeneity in the population while such information can be used to assist predictive modeling. In this study, we propose a hybrid survival analysis method,…

机器学习 · 计算机科学 2024-04-09 Bojian Hou , Hongming Li , Zhicheng Jiao , Zhen Zhou , Hao Zheng , Yong Fan

Recent work on explainable clustering allows describing clusters when the features are interpretable. However, much modern machine learning focuses on complex data such as images, text, and graphs where deep learning is used but the raw…

机器学习 · 计算机科学 2021-05-26 Hongjing Zhang , Ian Davidson

Brain atlases are essential for reducing the dimensionality of neuroimaging data and enabling interpretable analysis. However, most existing atlases are predefined, group-level templates with limited flexibility and resolution. We present…

神经元与认知 · 定量生物学 2025-09-23 Mo Wang , Kaining Peng , Jingsheng Tang , Hongkai Wen , Quanying Liu

Multi-view clustering, a long-standing and important research problem, focuses on mining complementary information from diverse views. However, existing works often fuse multiple views' representations or handle clustering in a common…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Jie Xu , Yazhou Ren , Huayi Tang , Xiaorong Pu , Xiaofeng Zhu , Ming Zeng , Lifang He

Denoising diffusion models (DDMs) offer a promising generative approach for combinatorial optimization, yet they often lack the robust exploration capabilities of traditional metaheuristics like evolutionary algorithms (EAs). We propose a…

神经与进化计算 · 计算机科学 2025-10-13 Joan Salvà Soler , Günther R. Raidl

Joint alignment of a collection of functions is the process of independently transforming the functions so that they appear more similar to each other. Typically, such unsupervised alignment algorithms fail when presented with complex data…

机器学习 · 计算机科学 2012-10-19 Marwan A. Mattar , Allen R. Hanson , Erik G. Learned-Miller