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Diffusion models achieve state-of-the-art generative performance but suffer from high computational costs during inference due to the repeated evaluation of a heavy neural network. In this work, we propose Dual-Rate Diffusion, a method to…

机器学习 · 计算机科学 2026-05-19 Grigory Bartosh , David Ruhe , Emiel Hoogeboom , Jonathan Heek , Thomas Mensink , Tim Salimans

This paper presents an approach to semi-supervised learning for the classification of data using the Lipschitz Learning on graphs. We develop a graph-based semi-supervised learning framework that leverages the properties of the infinity…

机器学习 · 计算机科学 2024-11-06 Farid Bozorgnia , Yassine Belkheiri , Abderrahim Elmoataz

We propose a new randomized optimization method for high-dimensional problems which can be seen as a generalization of coordinate descent to random subspaces. We show that an adaptive sampling strategy for the random subspace significantly…

最优化与控制 · 数学 2019-12-19 Jonathan Lacotte , Mert Pilanci , Marco Pavone

In recent years, accelerated extra-gradient methods have attracted much attention by researchers, for solving monotone inclusion problems. A limitation of most current accelerated extra-gradient methods lies in their direct utilization of…

最优化与控制 · 数学 2025-03-24 Ya-xiang Yuan , Yi Zhang

This paper proposes a parameter collaborative optimization algorithm for large language models, enhanced with graph spectral analysis. The goal is to improve both fine-tuning efficiency and structural awareness during training. In the…

机器学习 · 计算机科学 2025-06-03 Hanlu Zhang , Yumeng Ma , Shuo Wang , Guiran Liu , Binrong Zhu

Vision transformers combined with self-supervised learning have enabled the development of models which scale across large datasets for several downstream tasks like classification, segmentation and detection. The low-shot learning…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Srinivasa Rao Nandam , Sara Atito , Zhenhua Feng , Josef Kittler , Muhammad Awais

The Hadamard decomposition is a powerful technique for data analysis and matrix compression, which decomposes a given matrix into the element-wise product of two or more low-rank matrices. In this paper, we develop an efficient algorithm to…

机器学习 · 计算机科学 2025-04-23 Samuel Wertz , Arnaud Vandaele , Nicolas Gillis

Current autoencoder-based disentangled representation learning methods achieve disentanglement by penalizing the (aggregate) posterior to encourage statistical independence of the latent factors. This approach introduces a trade-off between…

This paper introduces a novel framework for dynamic classification in high dimensional spaces, addressing the evolving nature of class distributions over time or other index variables. Traditional discriminant analysis techniques are…

统计方法学 · 统计学 2025-02-18 Wenbo Ouyang , Ruiyang Wu , Ning Hao , Hao Helen Zhang

The ability to learn good representations of states is essential for solving large reinforcement learning problems, where exploration, generalization, and transfer are particularly challenging. The Laplacian representation is a promising…

机器学习 · 计算机科学 2024-04-04 Diego Gomez , Michael Bowling , Marlos C. Machado

This study introduces bifurcated attention, a method designed to enhance language model inference in shared-context batch decoding scenarios. Our approach addresses the challenge of redundant memory IO costs, a critical factor contributing…

By exploiting double-penalty terms for the primal subproblem, we develop a novel relaxed augmented Lagrangian method for solving a family of convex optimization problems subject to equality or inequality constraints. The method is then…

数值分析 · 数学 2025-06-16 Jianchao Bai , Linyuan Jia , Zheng Peng

The deployment of large-scale models, such as large language models (LLMs), incurs substantial costs due to their computational demands. To mitigate these costs and address challenges related to scalability and data security, there is a…

In this paper, we propose a novel image process scheme called class-based expansion learning for image classification, which aims at improving the supervision-stimulation frequency for the samples of the confusing classes. Class-based…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Hui Wang , Hanbin Zhao , Xi Li

We combine the adaptive and multilevel approaches to the BDDC and formulate a method which allows an adaptive selection of constraints on each decomposition level. We also present a strategy for the solution of local eigenvalue problems in…

数值分析 · 数学 2013-11-12 Bedřich Sousedík , Jakub Šístek , Jan Mandel

Cross-view classification that means to classify samples from heterogeneous views is a significant yet challenging problem in computer vision. A promising approach to handle this problem is the multi-view subspace learning (MvSL), which…

计算机视觉与模式识别 · 计算机科学 2018-05-22 Xinge You , Jiamiao Xu , Wei Yuan , Xiao-Yuan Jing , Dacheng Tao , Taiping Zhang

In this work, we present a novel, machine-learning approach for constructing Multiclass Interpretable Scoring Systems (MISS) - a fully data-driven methodology for generating single, sparse, and user-friendly scoring systems for multiclass…

机器学习 · 计算机科学 2024-01-11 Michal K. Grzeszczyk , Tomasz Trzciński , Arkadiusz Sitek

Recently the focus of the computer vision community has shifted from expensive supervised learning towards self-supervised learning of visual representations. While the performance gap between supervised and self-supervised has been…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Mustafa Taha Koçyiğit , Timothy M. Hospedales , Hakan Bilen

Dynamical Systems (DS) are fundamental to the modeling and understanding time evolving phenomena, and have application in physics, biology and control. As determining an analytical description of the dynamics is often difficult, data-driven…

机器学习 · 计算机科学 2022-11-23 Bernardo Fichera , Aude Billard

Diffusion models have been increasingly used as strong generative priors for solving inverse problems such as super-resolution in medical imaging. However, these approaches typically utilize a diffusion prior trained at a single scale,…

图像与视频处理 · 电气工程与系统科学 2026-02-02 Darshan Thaker , Mahmoud Mostapha , Radu Miron , Shihan Qiu , Mariappan Nadar