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We study the evolution of a random walker on a conservative dynamic random environment composed of independent particles performing simple symmetric random walks, generalizing results of [16] to higher dimensions and more general transition…

Graph vertex embeddings based on random walks have become increasingly influential in recent years, showing good performance in several tasks as they efficiently transform a graph into a more computationally digestible format while…

机器学习 · 统计学 2021-07-22 Dominik Kloepfer , Angelica I. Aviles-Rivero , Daniel Heydecker

Navigating spaces is an embodied experience. Examples can vary from rescue workers trying to save people from natural disasters; a tourist finding their way to the nearest coffee shop, or a gamer solving a maze. Virtual reality allows these…

人机交互 · 计算机科学 2018-09-24 Aryabrata Basu , Kyle Johnsen

For visually impaired people, it is highly difficult to make independent movement and safely move in both indoors and outdoors environment. Furthermore, these physically and visually challenges prevent them from in day-today live…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Heba Najm , Khirallah Elferjani , Alhaam Alariyibi

This paper presents a strategy to guide a mobile ground robot equipped with a camera or depth sensor, in order to autonomously map the visible part of a bounded three-dimensional structure. We describe motion planning algorithms that…

机器人学 · 计算机科学 2017-11-15 Manikandasriram Srinivasan Ramanagopal , André Phu-Van Nguyen , Jerome Le Ny

We study a symmetric random walk (RW) in one spatial dimension in environment, formed by several zones of finite width, where the probability of transition between two neighboring points and corresponding diffusion coefficient are…

统计力学 · 物理学 2017-04-03 A. V. Nazarenko , V. Blavatska

There has been a significant recent progress in the field of Embodied AI with researchers developing models and algorithms enabling embodied agents to navigate and interact within completely unseen environments. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Luca Weihs , Matt Deitke , Aniruddha Kembhavi , Roozbeh Mottaghi

We introduce to VR a novel imperceptible gaze guidance technique from a recent discovery that human gaze can be attracted to a cue that contrasts from the background in its perceptually non-distinctive ocularity, defined as the relative…

人机交互 · 计算机科学 2024-12-13 Virmarie Maquiling , Li Zhaoping , Enkelejda Kasneci

Human motion detection is getting considerable attention in the field of Artificial Intelligence (AI) driven healthcare systems. Human motion can be used to provide remote healthcare solutions for vulnerable people by identifying particular…

信号处理 · 电气工程与系统科学 2020-08-07 William Taylor , Syed Aziz Shah , Kia Dashtipour , Adnan Zahid , Qammer H. Abbasi , Muhammad Ali Imran

This paper presents an experimental evaluation on the accuracy of indoor localisation. The research was carried out as part of a European Union project targeting the creation of ICT solutions for older adult care. Current expectation is…

计算机与社会 · 计算机科学 2020-09-08 Iuliana Marin , Maria Iuliana Bocicor , Arthur-Jozsef Molnar

The aim of this paper is to demonstrate the efficacy of using Contrastive Random Walk as a curiosity method to achieve faster convergence to the optimal policy.Contrastive Random Walk defines the transition matrix of a random walk with the…

机器学习 · 计算机科学 2022-04-26 Zixuan Pan , Zihao Wei , Yidong Huang , Aditya Gupta

Random Walk is a basic algorithm to explore the structure of networks, which can be used in many tasks, such as local community detection and network embedding. Existing random walk methods are based on single networks that contain limited…

社会与信息网络 · 计算机科学 2023-07-06 Dongsheng Luo , Yuchen Bian , Yaowei Yan , Xiong Yu , Jun Huan , Xiao Liu , Xiang Zhang

In virtual reality games, players dive into fictional environments and can experience a compelling and immersive world. State-of-the-art VR systems allow for natural and intuitive navigation through physical walking. However, the tracking…

人机交互 · 计算机科学 2024-03-08 Sebastian Cmentowski , Andrey Krekhov , Jens Krüger

We investigate via extensive experimental data the dynamics of pedestrians walking in a corridor-shaped landing in a building at Eindhoven University of Technology. With year-long automatic measurements employing a Microsoft KinectTM…

物理与社会 · 物理学 2015-11-17 Alessandro Corbetta , Chung-min Lee , Adrian Muntean , Federico Toschi

We present IndoorSim-to-OutdoorReal (I2O), an end-to-end learned visual navigation approach, trained solely in simulated short-range indoor environments, and demonstrates zero-shot sim-to-real transfer to the outdoors for long-range…

机器人学 · 计算机科学 2023-05-11 Joanne Truong , April Zitkovich , Sonia Chernova , Dhruv Batra , Tingnan Zhang , Jie Tan , Wenhao Yu

Transportation systems often rely on understanding the flow of vehicles or pedestrian. From traffic monitoring at the city scale, to commuters in train terminals, recent progress in sensing technology make it possible to use cameras to…

计算机视觉与模式识别 · 计算机科学 2020-09-11 George Adaimi , Sven Kreiss , Alexandre Alahi

A rectangular "shifting cloak", which visually shifts the cloaked object for a certain distance from the original place, is proposed. Comparing with the previously proposed similar cloaks, this rectangular shifting cloak has a much simpler…

光学 · 物理学 2010-05-31 Jianguo Guan , Wei Li , Zhigang Sun , Wei Wang

Humanoid robots without internal sensors such as a compass tend to lose their orientation after a fall. Furthermore, re-initialisation is often ambiguous due to symmetric man-made environments. The room-awareness module proposed here is…

机器人学 · 计算机科学 2013-04-23 Markus Bader , Johann Prankl , Markus Vincze

The objective of this study is to investigate the impact of several auditory feedback modalities on gait (i.e., walking patterns) in virtual reality (VR). Prior research has substantiated gait disturbances in VR users as one of the primary…

人机交互 · 计算机科学 2022-08-18 M. Rasel Mahmud , Michael Stewart , Alberto Cordova , John Quarles

Quantum walks are powerful tools for quantum applications and for designing topological systems. Although they are simulated in a variety of platforms, genuine two-dimensional realizations are still challenging. Here we present an…