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Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

机器学习 · 计算机科学 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

Deep learning models suffer from catastrophic forgetting when being fine-tuned with samples of new classes. This issue becomes even more pronounced when faced with the domain shift between training and testing data. In this paper, we study…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Can Peng , Piotr Koniusz , Kaiyu Guo , Brian C. Lovell , Peyman Moghadam

Deep-predictive-coding networks (DPCNs) are hierarchical, generative models. They rely on feed-forward and feed-back connections to modulate latent feature representations of stimuli in a dynamic and context-sensitive manner. A crucial…

人工智能 · 计算机科学 2021-09-27 Isaac J. Sledge , Jose C. Principe

Wider coverage and a better solution to a latency reduction in 5G necessitate its combination with multi-access edge computing (MEC) technology. Decentralized deep learning (DDL) such as federated learning and swarm learning as a promising…

分布式、并行与集群计算 · 计算机科学 2022-03-23 Yuwei Sun , Hideya Ochiai , Hiroshi Esaki

Many complex systems in the real world can be characterized by attributed networks. To mine the potential information in these networks, deep embedded clustering, which obtains node representations and clusters simultaneously, has been paid…

机器学习 · 计算机科学 2022-05-31 Yimei Zheng , Caiyan Jia , Jian Yu , Xuanya Li

Deep architectures consist of tens or hundreds of convolutional layers (CLs) that terminate with a few fully connected (FC) layers and an output layer representing the possible labels of a complex classification task. According to the…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Yarden Tzach , Yuval Meir , Ofek Tevet , Ronit D. Gross , Shiri Hodassman , Roni Vardi , Ido Kanter

Unsupervised learning of time series data, also known as temporal clustering, is a challenging problem in machine learning. Here we propose a novel algorithm, Deep Temporal Clustering (DTC), to naturally integrate dimensionality reduction…

机器学习 · 计算机科学 2018-02-06 Naveen Sai Madiraju , Seid M. Sadat , Dimitry Fisher , Homa Karimabadi

We introduce Deep Linear Discriminant Analysis (DeepLDA) which learns linearly separable latent representations in an end-to-end fashion. Classic LDA extracts features which preserve class separability and is used for dimensionality…

机器学习 · 计算机科学 2016-02-18 Matthias Dorfer , Rainer Kelz , Gerhard Widmer

This paper is concerned with contrastive learning (CL) for low-level image restoration and enhancement tasks. We propose a new label-efficient learning paradigm based on residuals, residual contrastive learning (RCL), and derive an…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Nanqing Dong , Matteo Maggioni , Yongxin Yang , Eduardo Pérez-Pellitero , Ales Leonardis , Steven McDonagh

In the context of recent deep clustering studies, discriminative models dominate the literature and report the most competitive performances. These models learn a deep discriminative neural network classifier in which the labels are latent.…

机器学习 · 计算机科学 2019-12-17 Mohammed Jabi , Marco Pedersoli , Amar Mitiche , Ismail Ben Ayed

Representation learning aims to extract meaningful lower-dimensional embeddings from data, known as representations. Despite its widespread application, there is no established definition of a ``good'' representation. Typically, the…

机器学习 · 计算机科学 2024-12-05 Mahalakshmi Sabanayagam , Omar Al-Dabooni , Pascal Esser

The proliferation of end devices has led to a distributed computing paradigm, wherein on-device machine learning models continuously process diverse data generated by these devices. The dynamic nature of this data, characterized by…

机器学习 · 计算机科学 2025-05-02 Zhengyi Zhong , Weidong Bao , Ji Wang , Jianguo Chen , Lingjuan Lyu , Wei Yang Bryan Lim

In recent years, Federated Learning (FL) has gained relevance in training collaborative models without sharing sensitive data. Since its birth, Centralized FL (CFL) has been the most common approach in the literature, where a central entity…

Recently, cluster contrastive learning has been proven effective for object ReID by computing the contrastive loss between the individual features and the cluster memory. However, existing methods that use the individual features to…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Hantao Yao , Changsheng Xu

Federated learning (FL) enables collaborative training without pooling raw data, but standard FL relies on a central coordinator, which introduces a single point of failure and concentrates trust in the orchestration infrastructure.…

机器学习 · 计算机科学 2026-03-11 Edoardo Gabrielli , Anthony Di Pietro , Dario Fenoglio , Giovanni Pica , Gabriele Tolomei

Deep Learning (DL) has shown great promise in the unsupervised task of clustering. That said, while in classical (i.e., non-deep) clustering the benefits of the nonparametric approach are well known, most deep-clustering methods are…

机器学习 · 计算机科学 2022-03-29 Meitar Ronen , Shahaf E. Finder , Oren Freifeld

We propose a novel contrastive learning framework to effectively address the challenges of data heterogeneity in federated learning. We first analyze the inconsistency of gradient updates across clients during local training and establish…

机器学习 · 计算机科学 2024-06-03 Seonguk Seo , Jinkyu Kim , Geeho Kim , Bohyung Han

Transformations in the input space of Deep Neural Networks (DNN) lead to unintended changes in the feature space. Almost perceptually identical inputs, such as adversarial examples, can have significantly distant feature representations. On…

机器学习 · 计算机科学 2022-11-29 Iordanis Fostiropoulos , Laurent Itti

Disentangled representation learning (DRL) aims to break down observed data into core intrinsic factors for a profound understanding of the data. In real-world scenarios, manually defining and labeling these factors are non-trivial, making…

机器学习 · 计算机科学 2024-11-01 Youngjun Jun , Jiwoo Park , Kyobin Choo , Tae Eun Choi , Seong Jae Hwang

Masked diffusion language models (MDLMs) enable parallel decoding by predicting all masked positions at each denoising step, yet existing training-free samplers usually decide which positions to commit at token-level granularity. We revisit…

机器学习 · 计算机科学 2026-05-29 Heqiang Qi , Wei Huang , Mingyuan Bai , Xiangming Meng