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Radio frequency (RF)-based indoor localization offers significant promise for applications such as indoor navigation, augmented reality, and pervasive computing. While deep learning has greatly enhanced localization accuracy and robustness,…

信息论 · 计算机科学 2025-12-09 Guosheng Wang , Shen Wang , Lei Yang

Our examination of deep generative models (DGMs) developed for semi-supervised learning (SSL), mainly GANs and VAEs, reveals two problems. First, mode missing and mode covering phenomenons are observed in genertion with GANs and VAEs.…

机器学习 · 计算机科学 2025-05-28 Yunfu Song , Zhijian Ou

Probabilistic inference in high-dimensional state-space models is computationally challenging. For many spatiotemporal systems, however, prior knowledge about the dependency structure of state variables is available. We leverage this…

机器学习 · 计算机科学 2024-08-09 Fiona Lippert , Bart Kranstauber , E. Emiel van Loon , Patrick Forré

The swift progression of machine learning (ML) has not gone unnoticed in the realm of statistical mechanics. ML techniques have attracted attention by the classical density-functional theory (DFT) community, as they enable discovery of…

Neural Radiance Field (NeRF) has revolutionized novel-view rendering tasks and achieved impressive results. However, the inefficient sampling and per-scene optimization hinder its wide applications. Though some generalizable NeRFs have been…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Yue Shi , Dingyi Rong , Chang Chen , Chaofan Ma , Bingbing Ni , Wenjun Zhang

Gaussian Markov random fields (GMRFs) are popular for modeling dependence in large areal datasets due to their ease of interpretation and computational convenience afforded by the sparse precision matrices needed for random variable…

统计计算 · 统计学 2019-04-16 D. Andrew Brown , Christopher S. McMahan , Stella Watson Self

Randomized methods of neural network learning suffer from a problem with the generation of random parameters as they are difficult to set optimally to obtain a good projection space. The standard method draws the parameters from a fixed…

机器学习 · 计算机科学 2019-08-13 Grzegorz Dudek

The composition of multiple Gaussian Processes as a Deep Gaussian Process (DGP) enables a deep probabilistic nonparametric approach to flexibly tackle complex machine learning problems with sound quantification of uncertainty. Existing…

机器学习 · 统计学 2017-03-02 Kurt Cutajar , Edwin V. Bonilla , Pietro Michiardi , Maurizio Filippone

The literature on Gaussian graphical models (GGMs) contains two equally rich and equally significant domains of research efforts and interests. The first research domain relates to the problem of graph determination. That is, the underlying…

统计方法学 · 统计学 2014-11-25 Adrian Dobra

Traditional ground-penetrating radar (GPR) data inversion leverages iterative algorithms which suffer from high computation costs and low accuracy when applied to complex subsurface scenarios. Existing deep learning-based methods focus on…

信号处理 · 电气工程与系统科学 2022-09-21 Qiqi Dai , Yee Hui Lee , Hai-Han Sun , Genevieve Ow , Mohamed Lokman Mohd Yusof , Abdulkadir C. Yucel

When outcomes are missing for reasons beyond an investigator's control, there are two different ways to adjust a parameter estimate for covariates that may be related both to the outcome and to missingness. One approach is to model the…

统计方法学 · 统计学 2008-12-18 Joseph D. Y. Kang , Joseph L. Schafer

The dynamical mean field theory (DMFT) has become a standard technique for the study of strongly correlated models and materials overcoming some of the limitations of density functional approaches based on local approximations. An important…

强关联电子 · 物理学 2015-10-28 K. Hallberg , D. J. García , Pablo S. Cornaglia , Jorge I. Facio , Y. Núñez-Fernández

While widely recognized as one of the most substantial weather forecasting methodologies, Numerical Weather Prediction (NWP) usually suffers from relatively coarse resolution and inevitable bias due to tempo-spatial discretization, physical…

大气与海洋物理 · 物理学 2023-12-21 Pengwei Liu , Wenwei Wang , Bingqing Peng , Binqing Wu , Liang Sun

Existing image deraining methods typically rely on single-input, single-output, and single-scale architectures, which overlook the joint multi-scale information between external and internal features. Furthermore, single-domain…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Shun Zou , Yi Zou , Mingya Zhang , Shipeng Luo , Guangwei Gao , Guojun Qi

Knowing the features of a complex system that are highly relevant to a particular target variable is of fundamental interest in many areas of science. Existing approaches are often limited to linear settings, sometimes lack guarantees, and…

机器学习 · 计算机科学 2023-07-06 Francesco Quinzan , Ashkan Soleymani , Patrick Jaillet , Cristian R. Rojas , Stefan Bauer

The Relativistic Random Phase Approximation (RRPA) is derived from the Time-dependent Relativistic Mean Field (TD RMF) theory in the limit of small amplitude oscillations. In the no-sea approximation of the RMF theory, the RRPA…

核理论 · 物理学 2009-11-07 P. Ring , Zhong-yu Ma , Nguyen Van Giai , D. Vretenar , A. Wandelt , Li-gang Cao

Many dynamical systems can be successfully analyzed by representing them as networks. Empirically measured networks and dynamic processes that take place in these situations show heterogeneous, non-Markovian, and intrinsically correlated…

Research into several aspects of robot-enabled reconnaissance of random fields is reported. The work has two major components: the underlying theory of information acquisition in the exploration of unknown fields and the results of…

系统与控制 · 计算机科学 2011-07-28 Dimitar Baronov , John Baillieul

Domain generalization asks for models trained over a set of training environments to perform well in unseen test environments. Recently, a series of algorithms such as Invariant Risk Minimization (IRM) has been proposed for domain…

机器学习 · 计算机科学 2022-07-08 Haoxiang Wang , Haozhe Si , Bo Li , Han Zhao

Respondent-Driven Sampling (RDS) is a chain-referral design used for collecting data from hidden or hard-to-reach populations through their social networks. In RDS, respondents recruit their peers from the population of interest. As such,…

统计方法学 · 统计学 2026-04-14 Vanesa Reinoso , Danilo Alvares , Jonathan Acosta , Isabelle S. Beaudry