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The state-of-the-art speaker diarization systems use agglomerative hierarchical clustering (AHC) which performs the clustering of previously learned neural embeddings. While the clustering approach attempts to identify speaker clusters, the…

音频与语音处理 · 电气工程与系统科学 2021-04-07 Prachi Singh , Sriram Ganapathy

Analyzing high dimensional data is a challenging task. For these data it is known that traditional clustering algorithms fail to detect meaningful patterns. As a solution, subspace clustering techniques have been introduced. They analyze…

数据库 · 计算机科学 2014-07-16 Stephan Günnemann , Hardy Kremer , Matthias Hannen , Thomas Seidl

Data clustering is an approach to seek for structure in sets of complex data, i.e., sets of "objects". The main objective is to identify groups of objects which are similar to each other, e.g., for classification. Here, an introduction to…

数据分析、统计与概率 · 物理学 2016-02-17 Alexander K. Hartmann

We study a variant of the variational autoencoder model (VAE) with a Gaussian mixture as a prior distribution, with the goal of performing unsupervised clustering through deep generative models. We observe that the known problem of…

Clustering data objects into homogeneous groups is one of the most important tasks in data mining. Spectral clustering is arguably one of the most important algorithms for clustering, as it is appealing for its theoretical soundness and is…

机器学习 · 统计学 2024-03-12 Dylan Soemitro , Jeova Farias Sales Rocha Neto

The importance of big data is a contested topic among social scientists. Proponents claim it will fuel a research revolution, but skeptics challenge it as unreliably measured and decontextualized, with limited utility for accurately…

计算机与社会 · 计算机科学 2020-06-12 Nathaniel D. Porter , Ashton M. Verdery , S. Michael Gaddis

This paper describes a new approach for learning structures of large Bayesian networks based on blocks resulting from feature space clustering. This clustering is obtained using normalized mutual information. And the subsequent aggregation…

机器学习 · 统计学 2022-08-30 Anna V. Bubnova

Cluster-based information retrieval is one of the Information retrieval(IR) tools that organize, extract features and categorize the web documents according to their similarity. Unlike traditional approaches, cluster-based IR is fast in…

人工智能 · 计算机科学 2020-08-04 Sarah Hussein Toman , Mohammed Hamzah Abed , Zinah Hussein Toman

Data augmentation has been proved effective in training deep models. Existing data augmentation methods tackle the fine-grained problem by blending image pairs and fusing corresponding labels according to the statistics of mixed pixels,…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Ke Zhang , Jin Fan , Shaoli Huang , Yongliang Qiao , Xiaofeng Yu , Feiwei Qin

We study in this paper the problem of jointly clustering and learning representations. As several previous studies have shown, learning representations that are both faithful to the data to be clustered and adapted to the clustering…

机器学习 · 计算机科学 2018-12-13 Maziar Moradi Fard , Thibaut Thonet , Eric Gaussier

Deep learning has rapidly become the state-of-the-art approach for music generation. However, training a deep model typically requires a large training set, which is often not available for specific musical styles. In this paper, we present…

声音 · 计算机科学 2020-07-22 Alisa Liu , Alexander Fang , Gaëtan Hadjeres , Prem Seetharaman , Bryan Pardo

Incremental K-means and DBSCAN are two very important and popular clustering techniques for today's large dynamic databases (Data warehouses, WWW and so on) where data are changed at random fashion. The performance of the incremental…

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

Joint clustering and feature learning methods have shown remarkable performance in unsupervised representation learning. However, the training schedule alternating between feature clustering and network parameters update leads to unstable…

计算机视觉与模式识别 · 计算机科学 2020-06-19 Xiaohang Zhan , Jiahao Xie , Ziwei Liu , Yew Soon Ong , Chen Change Loy

We present a simple, yet powerful data-augmentation technique to enable data-efficient learning from parametric experts for reinforcement and imitation learning. We focus on what we call the policy cloning setting, in which we use online or…

机器学习 · 计算机科学 2022-05-24 Alexandre Galashov , Josh Merel , Nicolas Heess

Spectral clustering methods have gained widespread recognition for their effectiveness in clustering high-dimensional data. Among these techniques, constrained spectral clustering has emerged as a prominent approach, demonstrating enhanced…

机器学习 · 计算机科学 2024-04-05 Swarup Ranjan Behera , Vijaya V. Saradhi

Multi-view clustering leverages consistent and complementary information across multiple views to provide more comprehensive insights than single-view analysis. However, the heterogeneity and redundancy of multi-view data pose significant…

最优化与控制 · 数学 2025-08-12 Xiangru Xing , Yan Li , Xin Wang , Huangyue Chen , Xianchao Xiu

To deal with the exhausting annotations, self-supervised representation learning from unlabeled point clouds has drawn much attention, especially centered on augmentation-based contrastive methods. However, specific augmentations hardly…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Zhuheng Lu , Yuewei Dai , Weiqing Li , Zhiyong Su

The explosion in the amount of data available for analysis often necessitates a transition from batch to incremental clustering methods, which process one element at a time and typically store only a small subset of the data. In this paper,…

机器学习 · 计算机科学 2014-06-26 Margareta Ackerman , Sanjoy Dasgupta

Data augmentation refers to the process of applying a series of transformations or expansions to original data to generate new samples, thereby increasing the diversity and quantity of the data, effectively improving the performance and…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Hao Zhang , Shuaijie Zhang , Renbin Zou

Convolutional networks are at the center of best-in-class computer vision applications for a wide assortment of undertakings. Since 2014, a profound amount of work began to make better convolutional architectures, yielding generous…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Dishant Parikh