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Cross-entropy loss together with softmax is arguably one of the most common used supervision components in convolutional neural networks (CNNs). Despite its simplicity, popularity and excellent performance, the component does not explicitly…

机器学习 · 统计学 2017-11-21 Weiyang Liu , Yandong Wen , Zhiding Yu , Meng Yang

Clustered federated Multitask learning is introduced as an efficient technique when data is unbalanced and distributed amongst clients in a non-independent and identically distributed manner. While a similarity metric can provide client…

网络与互联网体系结构 · 计算机科学 2023-05-02 Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha , Abegaz Mohammed , Aiman Erbad , Octavia A. Dobre

The softmax loss and its variants are widely used as objectives for embedding learning, especially in applications like face recognition. However, the intra- and inter-class objectives in the softmax loss are entangled, therefore a…

计算机视觉与模式识别 · 计算机科学 2020-02-13 Lanqing He , Zhongdao Wang , Yali Li , Shengjin Wang

Ensemble calculations are essential for systems with uncertain data but require substantial increase in computational resources. This increase severely limits ensemble size. To reach beyond current limits, we present a first-order…

数值分析 · 数学 2017-12-19 Joseph A. Fiordilino , Michael McLaughlin

Deep learning has become very popular for tasks such as predictive modeling and pattern recognition in handling big data. Deep learning is a powerful machine learning method that extracts lower level features and feeds them forward for the…

机器学习 · 计算机科学 2018-03-07 Steven Young , Tamer Abdou , Ayse Bener

The margin-based softmax loss functions greatly enhance intra-class compactness and perform well on the tasks of face recognition and object classification. Outperformance, however, depends on the careful hyperparameter selection. Moreover,…

计算机视觉与模式识别 · 计算机科学 2019-12-18 JT Wu , L. Wang

Federated learning (FL), as a collaborative distributed training paradigm with several edge computing devices under the coordination of a centralized server, is plagued by inconsistent local stationary points due to the heterogeneity of the…

系统与控制 · 电气工程与系统科学 2023-02-14 Yixing Liu , Yan Sun , Zhengtao Ding , Li Shen , Bo Liu , Dacheng Tao

The goal of Feature Selection - comprising filter, wrapper, and embedded approaches - is to find the optimal feature subset for designated downstream tasks. Nevertheless, current feature selection methods are limited by: 1) the selection…

机器学习 · 计算机科学 2023-09-18 Meng Xiao , Dongjie Wang , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

Fine-tuning pre-trained foundational language models (FLM) for specific tasks is often impractical, especially for resource-constrained devices. This necessitates the development of a Lifelong Learning (L3) framework that continuously…

计算与语言 · 计算机科学 2023-11-14 Aidin Shiri , Kaushik Roy , Amit Sheth , Manas Gaur

Face forgery detection is raising ever-increasing interest in computer vision since facial manipulation technologies cause serious worries. Though recent works have reached sound achievements, there are still unignorable problems: a)…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Jiaming Li , Hongtao Xie , Jiahong Li , Zhongyuan Wang , Yongdong Zhang

Accurate prediction of phase equilibria remains a central challenge in chemical engineering. Physics-consistent machine learning methods that incorporate thermodynamic structure into neural networks have recently shown strong performance…

机器学习 · 计算机科学 2026-03-17 Karim K. Ben Hicham , Moreno Ascani , Jan G. Rittig , Alexander Mitsos

This paper explores the problem of clustering ensemble, which aims to combine multiple base clusterings to produce better performance than that of the individual one. The existing clustering ensemble methods generally construct a…

机器学习 · 计算机科学 2020-12-17 Yuheng Jia , Hui Liu , Junhui Hou , Qingfu Zhang

Efficiently and reliably estimating uncertainty is an important objective in deep learning. It is especially pertinent to autoregressive sequence tasks, where training and inference costs are typically very high. However, existing research…

机器学习 · 计算机科学 2023-05-18 Yassir Fathullah , Guoxuan Xia , Mark Gales

Multimodal recommendation systems integrate diverse multimodal information into the feature representations of both items and users, thereby enabling a more comprehensive modeling of user preferences. However, existing methods are hindered…

多媒体 · 计算机科学 2025-01-03 Qiya Song , Jiajun Hu , Lin Xiao , Bin Sun , Xieping Gao , Shutao Li

To achieve high performance of a machine learning (ML) task, a deep learning-based model must implicitly capture the entire distribution from data. Thus, it requires a huge amount of training samples, and data are expected to fully present…

机器学习 · 计算机科学 2021-11-17 Hung Nguyen , Morris Chang

Contemporary tasks of complex system simulation are often related to the issue of uncertainty management. It comes from the lack of information or knowledge about the simulated system as well as from restrictions of the model set being…

Machine Reading Comprehension (MRC) is an active field in natural language processing with many successful developed models in recent years. Despite their high in-distribution accuracy, these models suffer from two issues: high training…

计算与语言 · 计算机科学 2021-07-16 Razieh Baradaran , Hossein Amirkhani

The slow iterative sampling nature remains a major bottleneck for the practical deployment of diffusion and flow-based generative models. While consistency models (CMs) represent a state-of-the-art distillation-based approach for efficient…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Linwei Dong , Ruoyu Guo , Ge Bai , Zehuan Yuan , Yawei Luo , Changqing Zou

Diffusion models accomplish remarkable success in data generation tasks across various domains. However, the iterative sampling process is computationally expensive. Consistency models are proposed to learn consistency functions to map from…

机器学习 · 计算机科学 2025-05-07 Yiding Chen , Yiyi Zhang , Owen Oertell , Wen Sun

The aim of this study was to predict university students' learning performance using different sources of data from an Intelligent Tutoring System. We collected and preprocessed data from 40 students from different multimodal sources:…

计算机与社会 · 计算机科学 2024-03-13 W. Chango , R. Cerezo , M. Sanchez-Santillan , R. Azevedo , C. Romero