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In this paper, we propose a perceptually-guided visualization sharpening technique. We analyze the spectral behavior of an established comprehensive perceptual model to arrive at our approximated model based on an adapted weighting of the…

图形学 · 计算机科学 2019-07-25 Liang Zhou , Rudolf Netzel , Daniel Weiskopf , Chris Johnson

Model-based value expansion methods promise to improve the quality of value function targets and, thereby, the effectiveness of value function learning. However, to date, these methods are being outperformed by Dyna-style algorithms with…

机器学习 · 计算机科学 2022-03-29 Daniel Palenicek , Michael Lutter , Jan Peters

This paper proposes computationally efficient methods that can be used for instrumental variable quantile regressions (IVQR) and related methods with statistical guarantees. This is much needed when we investigate heterogenous treatment…

计量经济学 · 经济学 2019-09-06 Yinchu Zhu

This paper addresses the challenging problem of parameter estimation for multicomponent complex exponential signals, commonly known as sums of cisoids. Traditional approaches that estimate individual component parameters face significant…

信息论 · 计算机科学 2025-12-01 Huiguang Zhang

Transition voltage spectroscopy (TVS) has recently been introduced as a spectroscopic tool for molecular junctions where it offers the possibility to probe molecular level energies at relatively low bias voltages. In this work we perform…

介观与纳米尺度物理 · 物理学 2015-05-19 Jingzhe Chen , Troels Markussen , Kristian S. Thygesen

We introduce an experimental technique for complete phase-sensitive characterization of arbitrary unitary spectral-temporal transformations of optical modes. Our method recovers the complex spectral transfer function, or Green's function,…

We introduce methods for estimating the spectral density of a random field on a $d$-dimensional lattice from incomplete gridded data. Data are iteratively imputed onto an expanded lattice according to a model with a periodic covariance…

统计方法学 · 统计学 2019-08-12 Joseph Guinness

As power systems evolve with the increasing integration of renewable energy sources and smart grid technologies, there is a growing demand for flexible and scalable modeling approaches capable of capturing the complex dynamics of modern…

系统与控制 · 电气工程与系统科学 2025-04-08 Amir Bahador Javadi , Philip Pong

Optical communication systems are always evolving to support the need for ever-increasing transmission rates. This demand is supported by the growth in complexity of communication systems which are moving towards ultra-wideband transmission…

Recent advancements in text-to-image generation have been propelled by the development of diffusion models and multi-modality learning. However, since text is typically represented sequentially in these models, it often falls short in…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Guibao Shen , Luozhou Wang , Jiantao Lin , Wenhang Ge , Chaozhe Zhang , Xin Tao , Yuan Zhang , Pengfei Wan , Zhongyuan Wang , Guangyong Chen , Yijun Li , Ying-Cong Chen

Several spurious effects are known to degrade the performance of phase-only spatial light modulators. We introduce a comprehensive model that takes into account the major ones: curvature of the back panel, pixel crosstalk and the internal…

光学 · 物理学 2021-03-24 A. A. Pushkina , J. I. Costa-Filho , G. Maltese , A. I. Lvovsky

We study the impact of experimental imperfections on a recently proposed protocol for performing quantum simulations of vibronic spectroscopy. Specifically, we propose a method for quantifying the impact of these imperfections, optimizing…

Solving tough clinical questions that require both image and text understanding is still a major challenge in healthcare AI. In this work, we propose Q-FSRU, a new model that combines Frequency Spectrum Representation and Fusion (FSRU) with…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Rakesh Thakur , Yusra Tariq , Rakesh Chandra Joshi

The frequency response function (FRF) is an established way to describe the outcome of experiments in posture control literature. The FRF is an empirical transfer function between an input stimulus and the induced body segment sway profile,…

应用统计 · 统计学 2025-05-27 Vittorio Lippi

Forecasting multivariate time series remains challenging due to complex cross-variable dependencies and the presence of heterogeneous external influences. This paper presents Spectrogram-Enhanced Multimodal Fusion (SEMF), which combines…

机器学习 · 计算机科学 2026-03-31 Soyeon Park , Doohee Chung , Charmgil Hong

Recent literature suggests that the surface electromyography (sEMG) signals have non-stationary statistical characteristics specifically due to random nature of the covariance. Thus suitability of a statistical model for sEMG signals is…

信号处理 · 电气工程与系统科学 2024-10-28 Durgesh Kusuru , Anish C. Turlapaty , Mainak Thakur

Continuous valence-arousal estimation in real-world environments is challenging due to inconsistent modality reliability and interaction-dependent variability in audio-visual signals. Existing approaches primarily focus on modeling temporal…

多媒体 · 计算机科学 2026-03-13 Yubeen Lee , Sangeun Lee , Junyeop Cha , Eunil Park

Symbolic regression (SR) searches for analytical expressions representing the relationship between a set of explanatory and response variables. Current SR methods assume a single dataset extracted from a single experiment. Nevertheless,…

This paper introduces variational representational similarity analysis RSA (vRSA) for electromagnetic recordings of neural responses (e.g., EEG, MEG, ECoG or LFP). Variational RSA is a Bayesian approach for testing whether the similarity of…

神经元与认知 · 定量生物学 2025-11-04 Alex Lepauvre , Lucia Melloni , Karl Friston , Peter Zeidman

This paper presents a novel approach, Spectral-Interpretable and -Enhanced Transformer (SIEFormer), which leverages spectral analysis to reinterpret the attention mechanism within Vision Transformer (ViT) and enhance feature adaptability,…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Chunming Li , Shidong Wang , Tong Xin , Haofeng Zhang