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In this paper, we present a new algorithm that extends RRT* and RT-RRT* for online path planning in complex, dynamic environments. Sampling-based approaches often perform poorly in environments with narrow passages, a feature common to many…

机器人学 · 计算机科学 2021-09-10 Daniel Armstrong , André Jonasson

To harness the full benefit of new computing platforms, it is necessary to develop software with parallel computing capabilities. This is no less true for statisticians than for astrophysicists. The R programming language, which is perhaps…

统计计算 · 统计学 2017-09-08 George Ostrouchov , Wei-Chen Chen , Drew Schmidt

This article introduces the R package hermiter which facilitates estimation of univariate and bivariate probability density functions and cumulative distribution functions along with full quantile functions (univariate) and nonparametric…

统计计算 · 统计学 2023-07-04 Michael Stephanou , Melvin Varughese

Edge computing has emerged as a key technology to reduce network traffic, improve user experience, and enable various Internet of Things applications. From the perspective of a service provider (SP), how to jointly optimize the service…

分布式、并行与集群计算 · 计算机科学 2020-12-01 Duong Tung Nguyen , Hieu Trung Nguyen , Ni Trieu , Vijay K. Bhargava

AudioSet is a widely used benchmark in the audio research community and has significantly advanced various audio-related tasks. However, persistent issues with label accuracy and completeness remain critical bottlenecks that limit…

声音 · 计算机科学 2025-08-25 Yulin Sun , Qisheng Xu , Yi Su , Qian Zhu , Yong Dou , Xinwang Liu , Kele Xu

The matrixdist R package provides a comprehensive suite of tools for the statistical analysis of matrix distributions, including phase-type, inhomogeneous phase-type, discrete phase-type, and related multivariate distributions. This paper…

统计计算 · 统计学 2025-03-11 Martin Bladt , Alaric Mueller , Jorge Yslas

Time-series forecasting is crucial for numerous real-world applications including weather prediction and financial market modeling. While temporal-domain methods remain prevalent, frequency-domain approaches can effectively capture…

机器学习 · 计算机科学 2025-08-05 Zhixuan Li , Naipeng Chen , Seonghwa Choi , Sanghoon Lee , Weisi Lin

In this paper, we develop a non-uniform sampling approach for fast and efficient path planning of autonomous vehicles. The approach uses a novel non-uniform partitioning scheme that divides the area into obstacle-free convex cells. The…

机器人学 · 计算机科学 2021-08-04 James P. Wilson , Zongyuan Shen , Shalabh Gupta

Change point analysis is concerned with detecting and locating structure breaks in the underlying model of a sequence of observations ordered by time, space or other variables. A widely adopted approach for change point analysis is to…

统计方法学 · 统计学 2024-04-10 Xingchi Li , Xianyang Zhang

Specifying a proper input distribution is often a challenging task in simulation modeling. In practice, there may be multiple plausible distributions that can fit the input data reasonably well, especially when the data volume is not large.…

统计方法学 · 统计学 2019-03-15 Weiwei Fan , L. Jeff Hong , Xiaowei Zhang

agtboost is an R package implementing fast gradient tree boosting computations in a manner similar to other established frameworks such as xgboost and LightGBM, but with significant decreases in computation time and required mathematical…

机器学习 · 统计学 2020-08-31 Berent Ånund Strømnes Lunde , Tore Selland Kleppe

Sampling-based planning algorithm is a powerful tool for solving planning problems in high-dimensional state spaces. In this article, we present a novel approach to sampling in the most promising regions, which significantly reduces…

机器人学 · 计算机科学 2023-05-26 Chenming Li , Fei Meng , Han Ma , Jiankun Wang , Max Q. -H. Meng

Finite mixture modelling provides a framework for cluster analysis based on parsimonious Gaussian mixture models. Variable or feature selection is of particular importance in situations where only a subset of the available variables provide…

统计计算 · 统计学 2014-11-04 Luca Scrucca , Adrian E. Raftery

New proposals in the field of multi-label learning algorithms have been growing in number steadily over the last few years. The experimentation associated with each of them always goes through the same phases: selection of datasets,…

机器学习 · 计算机科学 2018-02-13 Francisco Charte , Antonio J. Rivera , David Charte , María J. del Jesus , Francisco Herrera

Diffusion models have recently emerged as the dominant approach in visual generation tasks. However, the lengthy denoising chains and the computationally intensive noise estimation networks hinder their applicability in low-latency and…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Qian Zeng , Jie Song , Yuanyu Wan , Huiqiong Wang , Mingli Song

Recent advances in big data and analytics research have provided a wealth of large data sets that are too big to be analyzed in their entirety, due to restrictions on computer memory or storage size. New Bayesian methods have been developed…

应用统计 · 统计学 2014-09-30 Alexey Miroshnikov , Erin Conlon

Two-stage stochastic optimization is a framework for modeling uncertainty, where we have a probability distribution over possible realizations of the data, called scenarios, and decisions are taken in two stages: we make first-stage…

数据结构与算法 · 计算机科学 2023-10-25 Andre Linhares , Chaitanya Swamy

A two-stage batch estimation algorithm for solving a class of nonlinear, static parameter estimation problems that appear in aerospace engineering applications is proposed. It is shown how these problems can be recast into a form suitable…

信号处理 · 电气工程与系统科学 2020-02-18 Kerry Sun , Demoz Gebre-Egziabher

We propose a novel reduction-to-binary (R2B) approach that enforces demographic parity for multiclass classification with non-binary sensitive attributes via a reduction to a sequence of binary debiasing tasks. We prove that R2B satisfies…

机器学习 · 计算机科学 2022-10-11 Ibrahim Alabdulmohsin , Jessica Schrouff , Oluwasanmi Koyejo

Ranking data represent a peculiar form of multivariate ordinal data taking values in the set of permutations. Despite the numerous methodological contributions to increase the flexibility of ranked data modeling, the application of more…

统计计算 · 统计学 2018-03-13 Cristina Mollica , Luca Tardella