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Canonical correlation analysis (CCA) is a fundamental statistical tool for exploring the correlation structure between two sets of random variables. In this paper, motivated by recent success of applying CCA to learn low dimensional…

统计理论 · 数学 2018-01-23 Zhuang Ma , Xiaodong Li

We study PCA as a stochastic optimization problem and propose a novel stochastic approximation algorithm which we refer to as "Matrix Stochastic Gradient" (MSG), as well as a practical variant, Capped MSG. We study the method both…

机器学习 · 统计学 2013-07-08 Raman Arora , Andrew Cotter , Nathan Srebro

Canonical correlation analysis (CCA) is a popular technique for learning representations that are maximally correlated across multiple views in data. In this paper, we extend the CCA based framework for learning a multiview mixture model.…

机器学习 · 计算机科学 2020-01-01 Nils Holzenberger , Raman Arora

Deep learning have achieved promising results on a wide spectrum of AI applications. Larger datasets and models consistently yield better performance. However, we generally spend longer training time on more computation and communication.…

机器学习 · 计算机科学 2021-11-03 Xiaoxin He , Fuzhao Xue , Xiaozhe Ren , Yang You

An optimization algorithm for nonsmooth nonconvex constrained optimization problems with upper-C2 objective functions is proposed and analyzed. Upper-C2 is a weakly concave property that exists in difference of convex (DC) functions and…

最优化与控制 · 数学 2022-04-21 Jingyi Wang , Cosmin G. Petra

Difference-of-Convex Algorithm (DCA) is a well-known nonconvex optimization algorithm for minimizing a nonconvex function that can be expressed as the difference of two convex ones. Many famous existing optimization algorithms, such as SGD…

机器学习 · 计算机科学 2024-12-16 Youran Sun , Yihua Liu , Yi-Shuai Niu

This paper presents a novel, mathematically rigorous framework for autoencoder-type deep neural networks that combines optimal control theory and low-rank tensor methods to yield memory-efficient training and automated architecture…

最优化与控制 · 数学 2025-09-11 Ratna Khatri , Anthony Kolshorn , Colin Olson , Harbir Antil

Despite recent progress, continual learning still does not match the performance of batch training. To avoid catastrophic forgetting, we need to build compact memory of essential past knowledge, but no clear solution has yet emerged, even…

机器学习 · 计算机科学 2025-11-13 Yohan Jung , Hyungi Lee , Wenlong Chen , Thomas Möllenhoff , Yingzhen Li , Juho Lee , Mohammad Emtiyaz Khan

Adaptive gradient methods have been increasingly adopted by deep learning community due to their fast convergence and reduced sensitivity to hyper-parameters. However, these methods come with limitations, such as increased memory…

机器学习 · 计算机科学 2024-12-17 Corrado Coppola , Lorenzo Papa , Irene Amerini , Laura Palagi

The performance of modern machine learning algorithms depends upon the selection of a set of hyperparameters. Common examples of hyperparameters are learning rate and the number of layers in a dense neural network. Auto-ML is a branch of…

机器学习 · 计算机科学 2024-01-01 Joshua Inman , Tanmay Khandait , Giulia Pedrielli , Lalitha Sankar

Continual learning on edge devices poses unique challenges due to stringent resource constraints. This paper introduces a novel method that leverages stochastic competition principles to promote sparsity, significantly reducing deep network…

机器学习 · 计算机科学 2024-07-16 Theodoros Christophides , Kyriakos Tolias , Sotirios Chatzis

Stochastic compositional minimax problems are prevalent in machine learning, yet there are only limited established on the convergence of this class of problems. In this paper, we propose a formal definition of the stochastic compositional…

最优化与控制 · 数学 2024-08-23 Yuyang Deng , Fuli Qiao , Mehrdad Mahdavi

Multiview analysis aims at extracting shared latent components from data samples that are acquired in different domains, e.g., image, text, and audio. Classic multiview analysis, e.g., canonical correlation analysis (CCA), tackles this…

机器学习 · 计算机科学 2020-06-24 Qi Lyu , Xiao Fu

Majorization-minimization algorithms consist of iteratively minimizing a majorizing surrogate of an objective function. Because of its simplicity and its wide applicability, this principle has been very popular in statistics and in signal…

机器学习 · 统计学 2013-09-11 Julien Mairal

Despite a lack of theoretical understanding, deep neural networks have achieved unparalleled performance in a wide range of applications. On the other hand, shallow representation learning with component analysis is associated with rich…

机器学习 · 计算机科学 2018-03-20 Calvin Murdock , Ming-Fang Chang , Simon Lucey

Progress in deep learning is slowed by the days or weeks it takes to train large models. The natural solution of using more hardware is limited by diminishing returns, and leads to inefficient use of additional resources. In this paper, we…

机器学习 · 计算机科学 2017-12-12 Shankar Krishnan , Ying Xiao , Rif A. Saurous

Mini-batch algorithms have been proposed as a way to speed-up stochastic convex optimization problems. We study how such algorithms can be improved using accelerated gradient methods. We provide a novel analysis, which shows how standard…

机器学习 · 计算机科学 2011-06-24 Andrew Cotter , Ohad Shamir , Nathan Srebro , Karthik Sridharan

Graduated optimization is a global optimization technique that is used to minimize a multimodal nonconvex function by smoothing the objective function with noise and gradually refining the solution. This paper experimentally evaluates the…

机器学习 · 计算机科学 2024-12-17 Naoki Sato , Hideaki Iiduka

Extracting meaningful latent representations from high-dimensional sequential data is a crucial challenge in machine learning, with applications spanning natural science and engineering. We introduce InfoDPCCA, a dynamic probabilistic…

机器学习 · 计算机科学 2025-06-11 Shiqin Tang , Shujian Yu

Tensor canonical correlation analysis (TCCA) has garnered significant attention due to its effectiveness in capturing high-order correlations in multi-view learning. However, existing TCCA methods often underemphasize the characterization…

最优化与控制 · 数学 2025-12-10 Yanjiao Zhu , Wanquan Liu , Xianchao Xiu , Jianqin Sun