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Transformers have shown strong ability to model long-term dependencies and are increasingly adopted as world models in model-based reinforcement learning (RL) under partial observability. However, unlike natural language corpora, RL…

机器学习 · 计算机科学 2025-11-11 Daniel De Dios Allegue , Jinke He , Frans A. Oliehoek

To study the processes and mechanisms of the correlation between space and time, particularly between lengths and durations in human perception, a special method (device and procedure) to conduct this experiment was designed and called LDR…

神经元与认知 · 定量生物学 2011-01-20 Lev Isaakovich Soyfer

The ability to steer light propagation inside scattering media has long been sought-after due to its potential widespread applications. To form optical foci inside scattering media, the only feasible strategy is to guide photons by using…

光学 · 物理学 2014-04-30 Cheng Ma , Xiao Xu , Yan Liu , Lihong V. Wang

Many reinforcement learning algorithms are built on an assumption that an agent interacts with an environment over fixed-duration, discrete time steps. However, physical systems are continuous in time, requiring a choice of…

机器学习 · 计算机科学 2024-09-04 Kris De Asis , Richard S. Sutton

In the statistical literature, a number of methods have been proposed to ensure valid inference about marginal effects of variables on a longitudinal outcome in settings with irregular monitoring times. However, the potential biases due to…

统计方法学 · 统计学 2021-12-23 Janie Coulombe , Erica E M Moodie , Robert W Platt

We predict and experimentally verify an entoptic phenomenon through which humans are able to perceive and discriminate structured light with space-varying polarization. Direct perception and discrimination is possible through the…

光学 · 物理学 2022-05-25 D. Sarenac , C. Kapahi , A. E. Silva , D. G. Cory , B. Thompson , D. A. Pushin

Time perception is the phenomenological experience of time by an individual. In this paper, we study how to replicate neural mechanisms involved in time perception, allowing robots to take a step towards temporal cognition. Our framework…

系统与控制 · 电气工程与系统科学 2019-12-24 Inês Lourenço , Bo Wahlberg , Rodrigo Ventura

Predicting and reasoning about the future lie at the heart of many time-series questions. For example, goal-conditioned reinforcement learning can be viewed as learning representations to predict which states are likely to be visited in the…

机器学习 · 计算机科学 2025-10-10 Chongyi Zheng , Ruslan Salakhutdinov , Benjamin Eysenbach

The Talbot-Plateau law specifies what combinations of flash frequency, duration, and intensity will yield a flicker-fused stimulus that matches the brightness of a steady stimulus. It has proven to be remarkably robust in its predictions,…

神经元与认知 · 定量生物学 2023-09-27 Ernest Greene , Jack Morrison

Thanks to the latest advancements in wavefront shaping, optical methods have proven crucial to achieve imaging and control light in multiply scattering media, like biological tissues. However, the stability times of living biological…

光学 · 物理学 2023-09-21 Lorenzo Valzania , Sylvain Gigan

Information processing in the brain requires integration of information over time. Such an integration can be achieved if signals are maintained in the network activity for the required period, as quantified by the intrinsic timescale.…

It is well known that reflection of a Gaussian light beam ($\text{TEM}_{00}$) by a planar dielectric interface leads to four beam shifts when compared to the geometrical-optics prediction. These are the spatial Goos-H\"{a}nchen (GH) shift,…

光学 · 物理学 2015-05-18 M. Merano , N. Hermosa , A. Aiello , J. P. Woerdman

Living organisms need to be sensitive to a changing environment while also ignoring uninformative environmental fluctuations. Here, we show that the circadian clock in \textit{Synechococcus elongatus} can naturally tune its environmental…

分子网络 · 定量生物学 2019-03-19 Kabir Husain , Weerapat Pittayakanchit , Gopal Pattanayak , Michael J Rust , Arvind Murugan

The primary visual cortex processes a large amount of visual information, however, due to its large receptive fields, when multiple stimuli fall within one receptive field, there are computational problems. To solve this problem, the visual…

神经元与认知 · 定量生物学 2019-04-18 Linda Wang

This article explores the constraints of perception and cognition in relativistic physics. Describing reality as a cognitive representation of our sensory inputs, the article shows how the limitations in perception translate to the…

综合物理 · 物理学 2007-05-23 Manoj Thulasidas

Time-delay error is a significant error source in adaptive optics (AO) systems. It arises from the latency between sensing the wavefront and applying the correction. Predictive control algorithms reduce the time-delay error, providing…

天体物理仪器与方法 · 物理学 2024-06-27 Jalo Nousiainen , Juha-Pekka Puska , Tapio Helin , Nuutti Hyvönen , Markus Kasper

Many real-world processes are trajectories that may be regarded as continuous-time "functional data". Examples include patients' biomarker concentrations, environmental pollutant levels, and prices of stocks. Corresponding advances in data…

统计理论 · 数学 2022-11-30 Jinghao Sun , Forrest W. Crawford

In sensory neurons the presence of noise can facilitate the detection of weak information-carrying signals, which are encoded and transmitted via correlated sequences of spikes. Here we investigate relative temporal order in spike sequences…

神经元与认知 · 定量生物学 2016-10-12 Jose A. Reinoso , M. C. Torrent , Cristina Masoller

The fundamental laws and constants of our universe seem to be finely tuned for life. The various multiverse hypotheses are popular explanations for the fine tuning. This paper reviews the four main suggestions on inference in the presence…

数据分析、统计与概率 · 物理学 2009-09-03 V. Palonen

The thermodynamic arrow-of-time problem is thought to be resolved by the observation that our universe initially was---and still is---far from equilibrium. The psychological arrow-of-time problem is often attributed the same resolution, but…

宇宙学与河外天体物理 · 物理学 2018-12-19 Lucas Johns