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Evolution Strategy (ES) algorithms have shown promising results in training complex robotic control policies due to their massive parallelism capability, simple implementation, effective parameter-space exploration, and fast training time.…

机器人学 · 计算机科学 2022-07-28 Kuang-Huei Lee , Ofir Nachum , Tingnan Zhang , Sergio Guadarrama , Jie Tan , Wenhao Yu

Unsupervised person re-identification has achieved great success through the self-improvement of individual neural networks. However, limited by the lack of diversity of discriminant information, a single network has difficulty learning…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Yunpeng Zhai , Peixi Peng , Mengxi Jia , Shiyong Li , Weiqiang Chen , Xuesong Gao , Yonghong Tian

With the increasing demand for spectrum efficiency and energy efficiency, reconfigurable intelligent surfaces (RISs) have attracted massive attention due to its low-cost and capability of controlling wireless environment. However, there is…

信息论 · 计算机科学 2024-10-28 Yangjing Wang , Xiao Li , Xinping Yi , Shi Jin

In this work we focus on the determination of the relative distributions of young, intermediate-age and old populations of stars in galaxies. Starting from a grid of theoretical population synthesis models we constructed a set of model…

天体物理学 · 物理学 2007-05-23 Thamar Solorio , Olac Fuentes , Roberto Terlevich , Elena Terlevich , Sandro Bressan

We present a comprehensive description of the population synthesis code StarTrack. The original code has been significantly modified and updated. Special emphasis is placed here on processes leading to the formation and further evolution of…

天体物理学 · 物理学 2009-11-11 K. Belczynski , V. Kalogera , F. A. Rasio , R. E. Taam , A. Zezas , T. Bulik , T. J. Maccarone , N. Ivanova

In this paper, we consider the downlink transmission of a multi-antenna base station (BS) supported by an active simultaneously transmitting and reconfigurable intelligent surface (STAR-RIS) to serve single-antenna users via simultaneous…

The Binary Population and Spectral Synthesis (BPASS) suite of binary stellar evolution models and synthetic stellar populations provides a framework for the physically motivated analysis of both the integrated light from distant stellar…

太阳与恒星天体物理 · 物理学 2017-11-29 J. J. Eldridge , E. R. Stanway , L. Xiao , L. A. S. McClelland , G. Taylor , M. Ng , S. M. L. Greis , J. C. Bray , .

Biclustering is a powerful unsupervised learning technique for simultaneously identifying coherent subsets of rows and columns in a data matrix, thus revealing local patterns that may not be apparent in global analyses. However, most…

统计方法学 · 统计学 2026-03-20 Sijian Fan , Ray Bai

Many astrophysical applications require efficient yet reliable forecasts of stellar evolution tracks. One example is population synthesis, which generates forward predictions of models for comparison with observations. The majority of…

太阳与恒星天体物理 · 物理学 2024-02-16 K. Maltsev , F. R. N. Schneider , F. K. Roepke , A. I. Jordan , G. A. Qadir , W. E. Kerzendorf , K. Riedmiller , P. van der Smagt

We present a general framework for training spiking neural networks (SNNs) to perform binary classification on multivariate time series, with a focus on step-wise prediction and high precision at low false alarm rates. The approach uses the…

机器学习 · 计算机科学 2025-11-24 James Ghawaly , Andrew Nicholson , Catherine Schuman , Dalton Diez , Aaron Young , Brett Witherspoon

In this paper, a robust online sequential extreme learning machine (ROS-ELM) is proposed. It is based on the original OS-ELM with an adaptive selective ensemble framework. Two novel insights are proposed in this paper. First, a novel…

机器学习 · 计算机科学 2014-08-14 Yang Liu , Bo He , Diya Dong , Yue Shen , Tianhong Yan , Rui Nian , Amaury Lendase

We initiate the study of active learning algorithms for classifying strategic agents. Active learning is a well-established framework in machine learning in which the learner selectively queries labels, often achieving substantially higher…

机器学习 · 计算机科学 2025-12-03 Maria-Florina Balcan , Hedyeh Beyhaghi

Machine learning and deep learning advancements have boosted Brain-Computer Interface (BCI) performance, but their wide-scale applicability is limited due to factors like individual health, hardware variations, and cultural differences…

信号处理 · 电气工程与系统科学 2024-12-25 Christian Flores , Marcelo Contreras , Ichiro Macedo , Javier Andreu-Perez

We propose PESA, a novel approach combining Particle Swarm Optimisation (PSO), Evolution Strategy (ES), and Simulated Annealing (SA) in a hybrid Algorithm, inspired from reinforcement learning. PESA hybridizes the three algorithms by…

神经与进化计算 · 计算机科学 2020-09-21 Majdi I. Radaideh , Koroush Shirvan

Classification of young stellar objects (YSOs) into different evolutionary stages helps us to understand the formation process of new stars and planetary systems. Such classification has traditionally been based on spectral energy…

星系天体物理 · 物理学 2018-09-05 Oskari Miettinen

Reducing energy consumption has become a pressing need for modern machine learning, which has achieved many of its most impressive results by scaling to larger and more energy-consumptive neural networks. Unfortunately, the main algorithm…

机器学习 · 计算机科学 2025-07-10 Risi Jaiswal , Supriyo Datta , Joseph G. Makin

Although planets have been found orbiting binary systems, whether they can survive binary interactions is debated. While the tightest-orbit binaries should host the most dynamically stable and long-lived circumbinary planetary systems, they…

地球与行星天体物理 · 物理学 2024-10-28 Zepei Xing , Santiago Torres , Ylva Götberg , Alessandro A. Trani , Valeriya Korol , Jorge Cuadra

An active learning algorithm for the classification of high-dimensional images is proposed in which spatially-regularized nonlinear diffusion geometry is used to characterize cluster cores. The proposed method samples from estimated cluster…

机器学习 · 计算机科学 2019-11-07 James M. Murphy

This work introduces advanced computational techniques for modeling the time evolution of compact binary systems using machine learning. The dynamics of compact binary systems, such as black holes and neutron stars, present significant…

宇宙学与河外天体物理 · 物理学 2024-10-08 Jianqi Yan , Junjie Luo , Yifan Zeng , Alex P. Leung , Jie Feng , Hong-Hao Zhang , Weipeng Lin

Currently there is great interest in the outcomes and astrophysical implications of mergers of double degenerate binaries. In a commonly adopted approximation, the components of such binaries are represented by polytropes with an index…

太阳与恒星天体物理 · 物理学 2017-04-05 Patrick M Motl , Juhan Frank , Jan Staff , Geoffrey C Clayton , Christopher L Fryer , Wesley Even , Steven Diehl , Joel E Tohline