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Despite the recent advances in large-scale diffusion models, little progress has been made on the layout-to-image (L2I) synthesis task. Current L2I models either suffer from poor editability via text or weak alignment between the generated…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Yumeng Li , Margret Keuper , Dan Zhang , Anna Khoreva

The feasibility of deep neural networks (DNNs) to address data stream problems still requires intensive study because of the static and offline nature of conventional deep learning approaches. A deep continual learning algorithm, namely…

机器学习 · 计算机科学 2020-01-10 Andri Ashfahani , Mahardhika Pratama

Federated learning (FL) algorithms usually sample a fraction of clients in each round (partial participation) when the number of participants is large and the server's communication bandwidth is limited. Recent works on the convergence…

机器学习 · 计算机科学 2021-12-22 Bing Luo , Wenli Xiao , Shiqiang Wang , Jianwei Huang , Leandros Tassiulas

Learning approaches rely on hyperparameters that impact the algorithm's performance and affect the knowledge extraction process from data. Recently, Nonnegative Matrix Factorization (NMF) has attracted a growing interest as a learning…

数值分析 · 数学 2023-06-29 Nicoletta Del Buono , Flavia Esposito , Laura Selicato , Rafal Zdunek

Road traffic in developing countries, such as India, features a heterogeneous mix of vehicles operating under weak lane discipline (HWLD), encompassing both motorised and non-motorised modes with diverse sizes and manoeuvrability. These…

统计方法学 · 统计学 2025-11-14 Susan Eldhose , Bhargava Rama Chilukuri , Chandrasekharan Rajendran

Federated Learning (FL) is a distributed learning paradigm that can coordinate heterogeneous edge devices to perform model training without sharing private data. While prior works have focused on analyzing FL convergence with respect to…

机器学习 · 计算机科学 2025-09-09 Weijie Liu , Xiaoxi Zhang , Jingpu Duan , Carlee Joe-Wong , Zhi Zhou , Xu Chen

One of the key challenges of collaborative machine learning, without data sharing, is multimodal data heterogeneity in real-world settings. While Federated Learning (FL) enables model training across multiple clients, existing frameworks,…

机器学习 · 计算机科学 2025-10-16 Alejandro Guerra-Manzanares , Omar El-Herraoui , Michail Maniatakos , Farah E. Shamout

This thesis presents a novel approach to neural network training that addresses the challenge of determining the optimal number of learning factors. The proposed Adaptive Multiple Optimal Learning Factors (AMOLF) algorithm dynamically…

机器学习 · 计算机科学 2024-06-12 Jeshwanth Challagundla

In adaptive data analysis, a mechanism gets $n$ i.i.d. samples from an unknown distribution $D$, and is required to provide accurate estimations to a sequence of adaptively chosen statistical queries with respect to $D$. Hardt and Ullman…

机器学习 · 计算机科学 2023-11-07 Kobbi Nissim , Uri Stemmer , Eliad Tsfadia

This study introduces LRDif, a novel diffusion-based framework designed specifically for facial expression recognition (FER) within the context of under-display cameras (UDC). To address the inherent challenges posed by UDC's image…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Zhifeng Wang , Kaihao Zhang , Ramesh Sankaranarayana

Debiased machine learning estimators for smooth functionals in nonparametric models can exhibit substantial variability and instability, often leading practitioners to instead rely on parametric or semiparametric working models. Such…

统计方法学 · 统计学 2026-03-20 Lars van der Laan , Marco Carone , Alex Luedtke , Mark van der Laan

$\textbf{Objective}$: To develop a multi-channel device event segmentation and feature extraction algorithm that is robust to changes in data distribution. $\textbf{Methods}$: We introduce an adaptive transfer learning algorithm to classify…

Multi-view learning has progressed rapidly in recent years. Although many previous studies assume that each instance appears in all views, it is common in real-world applications for instances to be missing from some views, resulting in…

机器学习 · 计算机科学 2022-08-30 Pengfei Zhu , Xinjie Yao , Yu Wang , Meng Cao , Binyuan Hui , Shuai Zhao , Qinghua Hu

With the rapid development of deep learning, intelligent scheme is gradually introduced to solve various nolinear inverse problems. In this paper, we combine an efficient adaptive deep neural network (ADNN) framework with adaptive modified…

地球物理 · 物理学 2021-03-23 Yizhi Wu , Yiren Fan

Multivariate time series anomaly detection has become an active area of research in recent years, with Deep Learning models outperforming previous approaches on benchmark datasets. Among reconstruction-based models, most previous work has…

机器学习 · 计算机科学 2022-02-28 Cristian Challu , Peihong Jiang , Ying Nian Wu , Laurent Callot

Heterophilic Graph Neural Networks (HGNNs) have shown promising results for semi-supervised learning tasks on graphs. Notably, most real-world heterophilic graphs are composed of a mixture of nodes with different neighbor patterns,…

机器学习 · 计算机科学 2025-02-26 Jinluan Yang , Zhengyu Chen , Teng Xiao , Wenqiao Zhang , Yong Lin , Kun Kuang

Deep neural networks (DNNs) are highly susceptible to adversarial examples--subtle, imperceptible perturbations that can lead to incorrect predictions. While detection-based defenses offer a practical alternative to adversarial training,…

机器学习 · 计算机科学 2025-10-03 Sanggeon Yun , Ryozo Masukawa , Hyunwoo Oh , Nathaniel D. Bastian , Mohsen Imani

High-Dimensional and Incomplete matrices, which usually contain a large amount of valuable latent information, can be well represented by a Latent Factor Analysis model. The performance of an LFA model heavily rely on its optimization…

机器学习 · 计算机科学 2023-02-24 Jia Chen , Yixian Chun , Yuanyi Liu , Renyu Zhang , Yang Hu

In this paper, we focus on learning a linear time-invariant (LTI) model with low-dimensional latent variables but high-dimensional observations. We provide an algorithm that recovers the high-dimensional features, i.e. column space of the…

系统与控制 · 电气工程与系统科学 2024-06-27 Yuyang Zhang , Shahriar Talebi , Na Li

Federated Learning (FL) has emerged as a prominent distributed machine learning framework that enables geographically discrete clients to train a global model collaboratively while preserving their privacy-sensitive data. However, due to…

分布式、并行与集群计算 · 计算机科学 2024-04-15 Shensheng Zheng , Wenhao Yuan , Xuehe Wang , Lingjie Duan