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Kernel methods are an incredibly popular technique for extending linear models to non-linear problems via a mapping to an implicit, high-dimensional feature space. While kernel methods are computationally cheaper than an explicit feature…

机器学习 · 统计学 2019-02-26 Philip Milton , Emanuele Giorgi , Samir Bhatt

The large amount of online data and vast array of computing resources enable current researchers in both industry and academia to employ the power of deep learning with neural networks. While deep models trained with massive amounts of data…

机器学习 · 计算机科学 2020-06-15 Shuai Tang , Virginia R. de Sa

Bilinear time-frequency representations (TFRs) provide high-resolution time-varying frequency characteristics of nonstationary signals. However, they suffer from crossterms due to the bilinear nature. Existing crossterm-reduced TFRs focus…

信号处理 · 电气工程与系统科学 2020-07-08 Shuimei Zhang , Yimin D. Zhang

Test-Time Training (TTT) proposes to adapt a pre-trained network to changing data distributions on-the-fly. In this work, we propose the first TTT method for 3D semantic segmentation, TTT-KD, which models Knowledge Distillation (KD) from…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Lisa Weijler , Muhammad Jehanzeb Mirza , Leon Sick , Can Ekkazan , Pedro Hermosilla

Kernel methods have great promise for learning rich statistical representations of large modern datasets. However, compared to neural networks, kernel methods have been perceived as lacking in scalability and flexibility. We introduce a…

机器学习 · 计算机科学 2014-12-22 Zichao Yang , Alexander J. Smola , Le Song , Andrew Gordon Wilson

An increasing amount of collected data are high-dimensional multi-way arrays (tensors), and it is crucial for efficient learning algorithms to exploit this tensorial structure as much as possible. The ever-present curse of dimensionality…

机器学习 · 计算机科学 2021-08-04 Kirandeep Kour , Sergey Dolgov , Martin Stoll , Peter Benner

Kernel methods have been extensively utilized in machine learning for classification and prediction tasks due to their ability to capture complex non-linear data patterns. However, single kernel approaches are inherently limited, as they…

机器学习 · 计算机科学 2026-02-12 Qiyuan Shi , Jian Kang , Yi Li

Topological data analysis (TDA) has emerged as a powerful tool for extracting meaningful insights from complex data. TDA enhances the analysis of objects by embedding them into a simplicial complex and extracting useful global properties…

量子物理 · 物理学 2023-07-17 Massimiliano Incudini , Francesco Martini , Alessandra Di Pierro

Time-triggered federated learning, in contrast to conventional event-based federated learning, organizes users into tiers based on fixed time intervals. However, this network still faces challenges due to a growing number of devices and…

机器学习 · 计算机科学 2025-05-12 Xinlu Zhang , Yansha Deng , Toktam Mahmoodi

Knowledge distillation (KD) has proved to be an effective approach for deep neural network compression, which learns a compact network (student) by transferring the knowledge from a pre-trained, over-parameterized network (teacher). In…

机器学习 · 计算机科学 2021-04-13 Zi Wang

We encounter a bottleneck when we try to borrow the strength of classical classifiers to classify functional data. The major issue is that functional data are intrinsically infinite dimensional, thus classical classifiers cannot be applied…

统计方法学 · 统计学 2021-03-09 Peijun Sang , Adam B Kashlak , Linglong Kong

Inference of space-time varying signals on graphs emerges naturally in a plethora of network science related applications. A frequently encountered challenge pertains to reconstructing such dynamic processes, given their values over a…

机器学习 · 计算机科学 2018-09-25 Vassilis N. Ioannidis , Daniel Romero , Georgios B. Giannakis

Long-term time series forecasting is a vital task and has a wide range of real applications. Recent methods focus on capturing the underlying patterns from one single domain (e.g. the time domain or the frequency domain), and have not taken…

机器学习 · 计算机科学 2023-08-28 Yuxiao Luo , Ziyu Lyu , Xingyu Huang

This paper investigates a general regularization framework for unsupervised domain adaptation in vector-valued regression under the covariate shift assumption, utilizing vector-valued reproducing kernel Hilbert spaces (vRKHS). Covariate…

Near-field propagation in extremely large aperture arrays requires joint angle-range estimation. In hybrid architectures, only $N_\mathrm{RF}\ll M$ compressed snapshots are available per slot, making the $N_\mathrm{RF}\times N_\mathrm{RF}$…

信号处理 · 电气工程与系统科学 2026-04-01 Rıfat Volkan Şenyuva

Deep-learning (DL) has emerged as a powerful machine-learning technique for several classic problems encountered in generic wireless communications. Specifically, random Fourier Features (RFF) based deep-learning has emerged as an…

信息论 · 计算机科学 2021-01-14 Rangeet Mitra , Georges Kaddoum

Although the convolutional neural networks (CNNs) have become popular for various image processing and computer vision task recently, it remains a challenging problem to reduce the storage cost of the parameters for resource-limited…

机器学习 · 计算机科学 2018-11-01 Chao Li , Zhun Sun , Jinshi Yu , Ming Hou , Qibin Zhao

Quantum machine learning (QML) has emerged as a promising field that leans on the developments in quantum computing to explore large complex machine learning problems. Recently, some purely quantum machine learning models were proposed such…

量子物理 · 物理学 2021-06-02 Mahdi Chehimi , Walid Saad

Kernels are powerful and versatile tools in machine learning and statistics. Although the notion of universal kernels and characteristic kernels has been studied, kernel selection still greatly influences the empirical performance. While…

机器学习 · 统计学 2019-02-28 Chun-Liang Li , Wei-Cheng Chang , Youssef Mroueh , Yiming Yang , Barnabás Póczos

Pansharpening seeks to fuse high-resolution panchromatic (PAN) and low-resolution multispectral (LRMS) images into a single image with both fine spatial and rich spectral detail. Despite progress in deep learning-based approaches, existing…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Hancong Jin , Zihan Cao , Liang-jian Deng , Jingjing Li