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Air pollution, especially particulate matter 2.5 (PM2.5), is a pressing concern for public health and is difficult to estimate in developing countries (data-poor regions) due to a lack of ground sensors. Transfer learning models can be…

机器学习 · 计算机科学 2024-06-25 Shrey Gupta , Yongbee Park , Jianzhao Bi , Suyash Gupta , Andreas Züfle , Avani Wildani , Yang Liu

Learning from Noisy Labels (LNL) remains a fundamental challenge in deep learning because real-world datasets often contain corrupted annotations. Most existing methods rely on label correction or sample selection mechanisms. In contrast,…

机器学习 · 计算机科学 2026-05-29 Jiayu Xu , Junbiao Pang

Stochastic gradient descent (SGD) algorithm is an effective learning strategy to build a latent factor analysis (LFA) model on a high-dimensional and incomplete (HDI) matrix. A particle swarm optimization (PSO) algorithm is commonly adopted…

神经与进化计算 · 计算机科学 2022-08-05 Jiufang Chen , Ye Yuan

Self-supervised learning (SSL)-based speech models are extensively used for full-stack speech processing. However, it has been observed that improving SSL-based speech representations using unlabeled speech for content-related tasks is…

计算与语言 · 计算机科学 2024-06-14 Amit Meghanani , Thomas Hain

Hyperspectral images (HSI) contain a wealth of information over hundreds of contiguous spectral bands, making it possible to classify materials through subtle spectral discrepancies. However, the classification of this rich spectral…

机器学习 · 计算机科学 2018-12-07 Ramanarayan Mohanty , SL Happy , Aurobinda Routray

Recently, tensor data (or multidimensional array) have been generated in many modern applications, such as functional magnetic resonance imaging (fMRI) in neuroscience and videos in video analysis. Many efforts are made in recent years to…

机器学习 · 计算机科学 2023-08-10 Jiaqi Zhang , Yinghao Cai , Zhaoyang Wang , Beilun Wang

Digital whole slide images (WSIs) are generally captured at microscopic resolution and encompass extensive spatial data. Directly feeding these images to deep learning models is computationally intractable due to memory constraints, while…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Manahil Raza , Ruqayya Awan , Raja Muhammad Saad Bashir , Talha Qaiser , Nasir M. Rajpoot

Despite convolutional network-based methods have boosted the performance of single image super-resolution (SISR), the huge computation costs restrict their practical applicability. In this paper, we develop a computation efficient yet…

计算机视觉与模式识别 · 计算机科学 2020-11-16 Xuehui Wang , Qing Wang , Yuzhi Zhao , Junchi Yan , Lei Fan , Long Chen

Collaborative Filtering (CF) has been successfully used to help users discover the items of interest. Nevertheless, existing CF methods suffer from noisy data issue, which negatively impacts the quality of recommendation. To tackle this…

信息检索 · 计算机科学 2023-08-29 Huiyuan Chen , Xiaoting Li , Vivian Lai , Chin-Chia Michael Yeh , Yujie Fan , Yan Zheng , Mahashweta Das , Hao Yang

Self-supervised learning (SSL) excels at finding general-purpose latent representations from complex data, yet lacks a unifying theoretical framework that explains the diverse existing methods and guides the design of new ones. We cast SSL…

机器学习 · 计算机科学 2026-05-28 Fabian A Mikulasch , Friedemann Zenke

In this paper, we propose a robust subspace-constrained quadratic model (SCQM) for learning low-dimensional structure from high-dimensional data. Building upon the subspace-constrained quadratic matrix factorization (SQMF) framework, the…

机器学习 · 计算机科学 2026-05-21 Zheng Zhai , Xiaohui Li

This paper proposes a deep-learning-based method for recovering a signed distance function (SDF) of a given hypersurface represented by an implicit level set function. Using the flexibility of constructing a neural network, we use an…

数值分析 · 数学 2023-05-16 Yesom Park , Chang hoon Song , Jooyoung Hahn , Myungjoo Kang

Federated learning (FL) enables the training of a model leveraging decentralized data in client sites while preserving privacy by not collecting data. However, one of the significant challenges of FL is limited computation and low…

机器学习 · 计算机科学 2023-04-18 Riyasat Ohib , Bishal Thapaliya , Pratyush Gaggenapalli , Jingyu Liu , Vince Calhoun , Sergey Plis

Recent advances in image-level self-supervised learning (SSL) have made significant progress, yet learning dense representations for patches remains challenging. Mainstream methods encounter an over-dispersion phenomenon that patches from…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Peisong Wen , Qianqian Xu , Siran Dai , Runmin Cong , Qingming Huang

Wearable sensor-based human activity recognition (HAR) has been a research focus in the field of ubiquitous and mobile computing for years. In recent years, many deep models have been applied to HAR problems. However, deep learning methods…

信号处理 · 电气工程与系统科学 2020-12-16 Yujiao Hao , Boyu Wang , Rong Zheng

Neural networks trained by empirical risk minimization often suffer from overfitting, especially to specific samples or domains, which leads to poor generalization. Curriculum Learning (CL) addresses this issue by selecting training samples…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Hiroaki Aizawa , Yoshikazu Hayashi

Gradient dominance property is a condition weaker than strong convexity, yet sufficiently ensures global convergence even in non-convex optimization. This property finds wide applications in machine learning, reinforcement learning (RL),…

最优化与控制 · 数学 2024-05-30 Jiyuan Tan , Chenyu Xue , Chuwen Zhang , Qi Deng , Dongdong Ge , Yinyu Ye

We consider higher-order linear-chain conditional random fields (HO-LC-CRFs) for sequence modelling, and use sum-product networks (SPNs) for representing higher-order input- and output-dependent factors. SPNs are a recently introduced class…

机器学习 · 计算机科学 2018-07-09 Martin Ratajczak , Sebastian Tschiatschek , Franz Pernkopf

Federated Learning (FL) allows a number of agents to participate in training a global machine learning model without disclosing locally stored data. Compared to traditional distributed learning, the heterogeneity (non-IID) of the agents…

机器学习 · 计算机科学 2022-06-23 Bin Yang , Thomas Carette , Masanobu Jimbo , Shinya Maruyama

Learning multiple tasks sequentially requires neural networks to balance retaining knowledge, yet being flexible enough to adapt to new tasks. Regularizing network parameters is a common approach, but it rarely incorporates prior knowledge…

机器学习 · 计算机科学 2025-12-22 Joanna Sliwa , Frank Schneider , Nathanael Bosch , Agustinus Kristiadi , Philipp Hennig