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Adversarial examples have revealed the vulnerability of deep learning models and raised serious concerns about information security. The transfer-based attack is a hot topic in black-box attacks that are practical to real-world scenarios…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Jian-Wei Li , Wen-Ze Shao

The rapid development of multimedia has provided a large amount of data with different distributions for visual tasks, forming different domains. Federated Learning (FL) can efficiently use this diverse data distributed on different client…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Shuran Ma , Weiying Xie , Daixun Li , Haowei Li , Yunsong Li

Clustered federated learning (FL) has been shown to produce promising results by grouping clients into clusters. This is especially effective in scenarios where separate groups of clients have significant differences in the distributions of…

机器学习 · 计算机科学 2022-09-22 Saeed Vahidian , Mahdi Morafah , Weijia Wang , Vyacheslav Kungurtsev , Chen Chen , Mubarak Shah , Bill Lin

In this paper we introduce a realistic and challenging, multi-source and multi-room acoustic environment and an improved algorithm for the estimation of source-dominated microphone clusters in acoustic sensor networks. Our proposed…

音频与语音处理 · 电气工程与系统科学 2021-06-08 Alexandru Nelus , Rene Glitza , Rainer Martin

Recent studies have shown remarkable success in face manipulation task with the advance of GANs and VAEs paradigms, but the outputs are sometimes limited to low-resolution and lack of diversity. In this work, we propose Additive Focal…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Shengju Qian , Kwan-Yee Lin , Wayne Wu , Yangxiaokang Liu , Quan Wang , Fumin Shen , Chen Qian , Ran He

Multi-view clustering is an important research topic due to its capability to utilize complementary information from multiple views. However, there are few methods to consider the negative impact caused by certain views with unclear…

机器学习 · 计算机科学 2025-11-21 Jie Xu , Yazhou Ren , Huayi Tang , Zhimeng Yang , Lili Pan , Yang Yang , Xiaorong Pu , Philip S. Yu , Lifang He

Client selection schemes are widely adopted to handle the communication-efficient problems in recent studies of Federated Learning (FL). However, the large variance of the model updates aggregated from the randomly-selected unrepresentative…

机器学习 · 计算机科学 2022-08-24 Guangyuan Shen , Dehong Gao , Duanxiao Song , Libin Yang , Xukai Zhou , Shirui Pan , Wei Lou , Fang Zhou

We consider the problem of learning a mixture of Random Utility Models (RUMs). Despite the success of RUMs in various domains and the versatility of mixture RUMs to capture the heterogeneity in preferences, there has been only limited…

机器学习 · 统计学 2020-04-01 Devavrat Shah , Dogyoon Song

Fair and unbiased machine learning is an important and active field of research, as decision processes are increasingly driven by models that learn from data. Unfortunately, any biases present in the data may be learned by the model,…

机器学习 · 计算机科学 2020-02-27 Matthew J. Vowels , Necati Cihan Camgoz , Richard Bowden

We propose an unsupervised variational acoustic clustering model for clustering audio data in the time-frequency domain. The model leverages variational inference, extended to an autoencoder framework, with a Gaussian mixture model as a…

音频与语音处理 · 电气工程与系统科学 2026-01-22 Luan Vinícius Fiorio , Bruno Defraene , Johan David , Frans Widdershoven , Wim van Houtum , Ronald M. Aarts

Federated Learning (FL) faces major challenges in real-world deployments due to statistical heterogeneity across clients and system heterogeneity arising from resource-constrained devices. While clustering-based approaches mitigate…

机器学习 · 计算机科学 2026-03-03 Om Govind Jha , Harsh Shukla , Haroon R. Lone

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

As a powerful approach for exploratory data analysis, unsupervised clustering is a fundamental task in computer vision and pattern recognition. Many clustering algorithms have been developed, but most of them perform unsatisfactorily on the…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Pengfei Ge , Chuan-Xian Ren , Jiashi Feng , Shuicheng Yan

Classification and clustering algorithms have been proved to be successful individually in different contexts. Both of them have their own advantages and limitations. For instance, although classification algorithms are more powerful than…

机器学习 · 计算机科学 2017-08-30 Tanmoy Chakraborty

In the context of unsupervised learning, effective clustering plays a vital role in revealing patterns and insights from unlabeled data. However, the success of clustering algorithms often depends on the relevance and contribution of…

机器学习 · 计算机科学 2025-03-18 Fabian Galis , Darian Onchis

In model-based clustering and classification, the cluster-weighted model constitutes a convenient approach when the random vector of interest constitutes a response variable Y and a set p of explanatory variables X. However, its…

统计方法学 · 统计学 2013-07-23 Sanjeena Subedi , Antonio Punzo , Salvatore Ingrassia , Paul D. McNicholas

This is a tutorial and survey paper on factor analysis, probabilistic Principal Component Analysis (PCA), variational inference, and Variational Autoencoder (VAE). These methods, which are tightly related, are dimensionality reduction and…

机器学习 · 统计学 2022-05-25 Benyamin Ghojogh , Ali Ghodsi , Fakhri Karray , Mark Crowley

The rise of AI-powered classification techniques has ushered in a new era for data-driven Fault Detection and Diagnosis in smart building systems. While extensive research has championed supervised FDD approaches, the real-world application…

系统与控制 · 电气工程与系统科学 2023-12-19 Farivar Rajabi , J. J. McArthur

We introduce Cluster Contrast (CueCo), a novel approach to unsupervised visual representation learning that effectively combines the strengths of contrastive learning and clustering methods. Inspired by recent advancements, CueCo is…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Nikolaos Giakoumoglou , Tania Stathaki

Semi-supervised clustering seeks to augment traditional clustering methods by incorporating side information provided via human expertise in order to increase the semantic meaningfulness of the resulting clusters. However, most current…

机器学习 · 计算机科学 2014-02-17 Caiming Xiong , David Johnson , Jason J. Corso