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Image pyramids are commonly used in modern computer vision tasks to obtain multi-scale features for precise understanding of images. However, image pyramids process multiple resolutions of images using the same large-scale model, which…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Xizhou Zhu , Xue Yang , Zhaokai Wang , Hao Li , Wenhan Dou , Junqi Ge , Lewei Lu , Yu Qiao , Jifeng Dai

Recent years have witnessed promising results of face detection using deep learning. Despite making remarkable progresses, face detection in the wild remains an open research challenge especially when detecting faces at vastly different…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Jialiang Zhang , Xiongwei Wu , Jianke Zhu , Steven C. H. Hoi

Hypergraphs serve as an effective model for depicting complex connections in various real-world scenarios, from social to biological networks. The development of Hypergraph Neural Networks (HGNNs) has emerged as a valuable method to manage…

We analyze algorithms for approximating a function $f(x) = \Phi x$ mapping $\Re^d$ to $\Re^d$ using deep linear neural networks, i.e. that learn a function $h$ parameterized by matrices $\Theta_1,...,\Theta_L$ and defined by $h(x) =…

机器学习 · 计算机科学 2018-06-19 Peter L. Bartlett , David P. Helmbold , Philip M. Long

Personalized federated learning (PFL) aims to harness the collective wisdom of clients' data while building personalized models tailored to individual clients' data distributions. Existing works offer personalization primarily to clients…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Hong-You Chen , Jike Zhong , Mingda Zhang , Xuhui Jia , Hang Qi , Boqing Gong , Wei-Lun Chao , Li Zhang

This paper presents a new deep learning architecture for Natural Language Inference (NLI). Firstly, we introduce a new architecture where alignment pairs are compared, compressed and then propagated to upper layers for enhanced…

计算与语言 · 计算机科学 2018-09-11 Yi Tay , Luu Anh Tuan , Siu Cheung Hui

This paper presents a proper generalized decomposition (PGD) based reduced-order model of hierarchical deep-learning neural networks (HiDeNN). The proposed HiDeNN-PGD method keeps both advantages of HiDeNN and PGD methods. The automatic…

数值分析 · 数学 2022-01-12 Lei Zhang , Ye Lu , Shaoqiang Tang , Wing Kam Liu

Graph neural networks (GNNs) are emerging for machine learning research on graph-structured data. GNNs achieve state-of-the-art performance on many tasks, but they face scalability challenges when it comes to real-world applications that…

机器学习 · 计算机科学 2026-04-02 Shichang Zhang , Atefeh Sohrabizadeh , Cheng Wan , Zijie Huang , Ziniu Hu , Yewen Wang , Yingyan , Lin , Jason Cong , Yizhou Sun

Ocular biometric systems working in unconstrained environments usually face the problem of small within-class compactness caused by the multiple factors that jointly degrade the quality of the obtained data. In this work, we propose an…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Luiz A. Zanlorensi , Hugo Proença , David Menotti

Complex physical systems are often described by partial differential equations (PDEs) that depend on parameters such as the Reynolds number in fluid mechanics. In applications such as design optimization or uncertainty quantification,…

机器学习 · 计算机科学 2024-08-20 Woojin Cho , Minju Jo , Haksoo Lim , Kookjin Lee , Dongeun Lee , Sanghyun Hong , Noseong Park

We present a framework to define a large class of neural networks for which, by construction, training by gradient flow provably reaches arbitrarily low loss when the number of parameters grows. Distinct from the fixed-space global…

最优化与控制 · 数学 2025-01-13 David A. R. Robin , Kevin Scaman , Marc Lelarge

Big neural networks trained on large datasets have advanced the state-of-the-art for a large variety of challenging problems, improving performance by a large margin. However, under low memory and limited computational power constraints,…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Adrian Bulat , Georgios Tzimiropoulos , Jean Kossaifi , Maja Pantic

Neural networks are usually not the tool of choice for nonparametric high-dimensional problems where the number of input features is much larger than the number of observations. Though neural networks can approximate complex multivariate…

统计方法学 · 统计学 2019-06-25 Jean Feng , Noah Simon

We present a Multi-Scale Pyramidal Pooling Network, featuring a novel pyramidal pooling layer at multiple scales and a novel encoding layer. Thanks to the former the network does not require all images of a given classification task to be…

计算机视觉与模式识别 · 计算机科学 2012-07-10 Jonathan Masci , Ueli Meier , Gabriel Fricout , Jürgen Schmidhuber

A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

信号处理 · 电气工程与系统科学 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

Computer-aided diagnosis (CAD) systems play a crucial role in analyzing neuroimaging data for neurological and psychiatric disorders. However, small-sample studies suffer from low reproducibility, while large-scale datasets introduce…

机器学习 · 计算机科学 2025-08-12 Xinglin Zhao , Yanwen Wang , Xiaobo Liu , Yanrong Hao , Rui Cao , Xin Wen

A pseudo independent (PI) model is a probabilistic domain model (PDM) where proper subsets of a set of collectively dependent variables display marginal independence. PI models cannot be learned correctly by many algorithms that rely on a…

人工智能 · 计算机科学 2013-02-08 Jun Hu , Yang Xiang

The remarkable growth and significant success of machine learning have expanded its applications into programming languages and program analysis. However, a key challenge in adopting the latest machine learning methods is the representation…

编程语言 · 计算机科学 2023-12-01 Ali TehraniJamsaz , Quazi Ishtiaque Mahmud , Le Chen , Nesreen K. Ahmed , Ali Jannesari

This paper proposes to learn high-performance deep ConvNets with sparse neural connections, referred to as sparse ConvNets, for face recognition. The sparse ConvNets are learned in an iterative way, each time one additional layer is…

计算机视觉与模式识别 · 计算机科学 2015-12-08 Yi Sun , Xiaogang Wang , Xiaoou Tang

Topological Neural Networks (TNNs) incorporate higher-order relational information beyond pairwise interactions, enabling richer representations than Graph Neural Networks (GNNs). Concurrently, topological descriptors based on persistent…

机器学习 · 计算机科学 2024-06-06 Yogesh Verma , Amauri H Souza , Vikas Garg