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In this paper, we contend that a natural objective of representation learning is to compress and transform the distribution of the data, say sets of tokens, towards a low-dimensional Gaussian mixture supported on incoherent subspaces. The…

Theoretical results show that Bayesian methods can achieve lower bounds on regret for online logistic regression. In practice, however, such techniques may not be feasible especially for very large feature sets. Various approximations that,…

机器学习 · 计算机科学 2021-01-29 Gil I. Shamir , Wojciech Szpankowski

The inputs of deep neural network (DNN) from real-world data usually come with uncertainties. Yet, it is challenging to propagate the uncertainty in the input features to the DNN predictions at a low computational cost. This work employs a…

机器学习 · 统计学 2020-01-14 Weiqi Ji , Zhuyin Ren , Chung K. Law

In the past few years, Generative Adversarial Networks (GANs) have dramatically advanced our ability to represent and parameterize high-dimensional, non-linear image manifolds. As a result, they have been widely adopted across a variety of…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Rushil Anirudh , Jayaraman J. Thiagarajan , Bhavya Kailkhura , Timo Bremer

There is a growing interest in automated neural architecture search (NAS). To improve the efficiency of NAS, previous approaches adopt weight sharing method to force all models share the same set of weights. However, it has been observed…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Xiang Li , Chen Lin , Chuming Li , Ming Sun , Wei Wu , Junjie Yan , Wanli Ouyang

Classical model reduction techniques project the governing equations onto a linear subspace of the original state space. More recent data-driven techniques use neural networks to enable nonlinear projections. Whilst those often enable…

数值分析 · 数学 2024-06-19 Tjeerd Jan Heeringa , Christoph Brune , Mengwu Guo

As traditional neural network consumes a significant amount of computing resources during back propagation, \citet{Sun2017mePropSB} propose a simple yet effective technique to alleviate this problem. In this technique, only a small subset…

机器学习 · 计算机科学 2017-09-27 Bingzhen Wei , Xu Sun , Xuancheng Ren , Jingjing Xu

The problem of large-scale spatial multiple testing is often encountered in various scientific research fields, where the signals are usually enriched on some regions while sparse on others. To integrate spatial structure information from…

统计方法学 · 统计学 2023-09-28 Pengfei Wang , Pengyu Yan , Canhui Li

Fault detection is crucial to ensure the reliability of navigation systems. However, mainstream fault detection methods are developed based on Gaussian assumptions on nominal errors, while current attempts at non-Gaussian fault detection…

信号处理 · 电气工程与系统科学 2026-01-01 Penggao Yan , Baoshan Song , Xiao Xia , Weisong Wen , Li-Ta Hsu

The use of unvetted third-party and internet data renders pre-trained models susceptible to backdoor attacks. Detecting backdoor samples is critical to prevent backdoor activation during inference or injection during training. However,…

密码学与安全 · 计算机科学 2025-09-09 Zuquan Peng , Jianming Fu , Lixin Zou , Li Zheng , Yanzhen Ren , Guojun Peng

Weight pruning is a powerful technique to realize model compression. We propose PCNN, a fine-grained regular 1D pruning method. A novel index format called Sparsity Pattern Mask (SPM) is presented to encode the sparsity in PCNN. Leveraging…

Discovering governing equations from data is important to many scientific and engineering applications. Despite promising successes, existing methods are still challenged by data sparsity and noise issues, both of which are ubiquitous in…

机器学习 · 计算机科学 2024-04-23 Da Long , Wei W. Xing , Aditi S. Krishnapriyan , Robert M. Kirby , Shandian Zhe , Michael W. Mahoney

We recently introduced the "Virtual VNA" concept which estimates the $N \times N$ scattering matrix characterizing an arbitrarily complex linear reciprocal system with $N$ monomodal lumped ports by inputting and outputting waves only via…

应用物理 · 物理学 2025-10-07 Philipp del Hougne

Network architecture search (NAS), in particular the differentiable architecture search (DARTS) method, has shown a great power to learn excellent model architectures on the specific dataset of interest. In contrast to using a fixed…

计算机视觉与模式识别 · 计算机科学 2022-09-22 Xuhong Ren , Jianlang Chen , Felix Juefei-Xu , Wanli Xue , Qing Guo , Lei Ma , Jianjun Zhao , Shengyong Chen

Training Convolutional Neural Networks (CNNs) usually requires a large number of computational resources. In this paper, \textit{SparseTrain} is proposed to accelerate CNN training by fully exploiting the sparsity. It mainly involves three…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Pengcheng Dai , Jianlei Yang , Xucheng Ye , Xingzhou Cheng , Junyu Luo , Linghao Song , Yiran Chen , Weisheng Zhao

Important workloads, such as machine learning and graph analytics applications, heavily involve sparse linear algebra operations. These operations use sparse matrix compression as an effective means to avoid storing zeros and performing…

Predictive uncertainty quantification is crucial for reliable decision-making in various applied domains. Bayesian neural networks offer a powerful framework for this task. However, defining meaningful priors and ensuring computational…

机器学习 · 计算机科学 2024-04-30 Yijia Liu , Xiao Wang

Binary Neural Networks (BNNs) significantly reduce computational complexity and memory usage in machine and deep learning by representing weights and activations with just one bit. However, most existing training algorithms for BNNs rely on…

机器学习 · 计算机科学 2025-12-08 Luca Colombo , Fabrizio Pittorino , Manuel Roveri

As deep learning applications continue to deploy increasingly large artificial neural networks, the associated high energy demands are creating a need for alternative neuromorphic approaches. Optics and photonics are particularly compelling…

光学 · 物理学 2025-08-19 Nicola Dal Cin , Florian Marquardt , Clara C. Wanjura

Deep Neural Networks are powerful tools for solving machine learning problems, but their training often involves dense and costly parameter updates. In this work, we use a novel Max-Plus neural architecture in which classical addition and…

机器学习 · 统计学 2026-03-05 Ikhlas Enaieh , Olivier Fercoq