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🔍 vivek srikumar 📂 Computer Science
Showing 27 results for "vivek srikumar" in Computer Science
Computer Science Preprint PDF DOI

Technological Advances in Two Generations of Consumer-Grade VR Systems: Effects on User Experience and Task Performance

Marie Luisa Fiedler, Christian Merz, Jonathan Tschanter, Carolin Wienrich, Marc Erich Latoschik · 2026

Integrated VR (IVR) systems consist of a head-mounted display (HMD) and body-tracking capabilities. They enable users to translate their physical movements into corresponding avatar movements in real-…

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Computer Science Preprint PDF DOI

Adversarial VR: An Open-Source Testbed for Evaluating Adversarial Robustness of VR Cybersickness Detection and Mitigation

Istiak Ahmed, Ripan Kumar Kundu, Khaza Anuarul Hoque · 2025

Deep learning (DL)-based automated cybersickness detection methods, along with adaptive mitigation techniques, can enhance user comfort and interaction. However, recent studies show that these DL-base…

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Computer Science Preprint PDF DOI

PrivateXR: Defending Privacy Attacks in Extended Reality Through Explainable AI-Guided Differential Privacy

Ripan Kumar Kundu, Istiak Ahmed, Khaza Anuarul Hoque · 2025

The convergence of artificial AI and XR technologies (AI XR) promises innovative applications across many domains. However, the sensitive nature of data (e.g., eye-tracking) used in these systems rais…

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Computer Science Preprint PDF DOI

Guidelines for the Enhancement of the Corpus and the Verismo Vocabulary

Michael Bassi, Giovanni Salucci · 2025

VIVer is a digital lexicography project with historical-literary and historical-linguistic aims that can be considered a case study of a Digital Humanities project. This paper presents the IT choices …

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Computer Science Preprint PDF DOI

Securing Virtual Reality Experiences: Unveiling and Tackling Cybersickness Attacks with Explainable AI

Ripan Kumar Kundu, Matthew Denton, Genova Mongalo, Prasad Calyam, Khaza Anuarul Hoque · 2025

The synergy between virtual reality (VR) and artificial intelligence (AI), specifically deep learning (DL)-based cybersickness detection models, has ushered in unprecedented advancements in immersive …

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Computer Science Preprint PDF DOI

Virtual Reality and Augmented Reality Security: A Reconnaissance and Vulnerability Assessment Approach

Sarina Dastgerdy · 2024

Various industries have widely adopted Virtual Reality (VR) and Augmented Reality (AR) technologies to enhance productivity and user experiences. However, their integration introduces significant secu…

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Computer Science Preprint PDF DOI

Never Tell the Trick: Covert Interactive Mixed Reality System for Immersive Storytelling

Chanwoo Lee, Kyubeom Shim, Sanggyo Seo, Gwonu Ryu, Yongsoon Choi · 2024

This study explores the integration of Ultra-Wideband (UWB) technology into Mixed Reality (MR) Systems for immersive storytelling. Addressing the limitations of existing technologies like Microsoft Ki…

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Computer Science Preprint PDF DOI

Who Is Alyx? A new Behavioral Biometric Dataset for User Identification in XR

Christian Rack, Tamara Fernando, Murat Yalcin, Andreas Hotho, Marc Erich Latoschik · 2023

This article presents a new dataset containing motion and physiological data of users playing the game "Half-Life: Alyx". The dataset specifically targets behavioral and biometric identification of XR…

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Computer Science Preprint PDF DOI

Demonstrating Eye Movement Biometrics in Virtual Reality

Dillon Lohr, Saide Johnson, Samantha Aziz, Oleg Komogortsev · 2022

Thanks to the eye-tracking sensors that are embedded in emerging consumer devices like the Vive Pro Eye, we demonstrate that it is feasible to deliver user authentication via eye movement biometrics.…

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Computer Science Preprint PDF DOI

An immersive Open Source environment using Godot

Francesca Santucci, Federico Frenguelli, Alessandro De Angelis, Ilaria Cuccaro, Damiano Perri, Marco Simonetti · 2021

We present a sample implementation of a Virtual and Augmented Reality immersive environment based on Free and Libre Open Source Hardware and Software and the HTC Vive system, used to enhance the immer…

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Computer Science Preprint PDF DOI

Accuracy Evaluation of Touch Tasks in Commodity Virtual and Augmented Reality Head-Mounted Displays

Daniel Schneider, Verena Biener, Alexander Otte, Travis Gesslein, Philipp Gagel, Cuauhtli Campos, Klen Copic Pucihar, Matjaz Kljun, Eyal Ofek, Michel Pahud, Per Ola Kristensson, Jens Grubert · 2021

An increasing number of consumer-oriented head-mounted displays (HMD) for augmented and virtual reality (AR/VR) are capable of finger and hand tracking. We report on the accuracy of off-the-shelf VR a…

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Computer Science Preprint PDF DOI

Classifying In-Place Gestures with End-to-End Point Cloud Learning

Lizhi Zhao, Xuequan Lu, Min Zhao, Meili Wang · 2021

Walking in place for moving through virtual environments has attracted noticeable attention recently. Recent attempts focused on training a classifier to recognize certain patterns of gestures (e.g., …

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Computer Science Peer-Reviewed PDF DOI

An immersive journey to the molecular structure of SARS-CoV-2: Virtual reality in COVID-19.

Martin Calvelo, Angel Pineiro, Rebeca Garcia-Fandino · 2021

The era of the explosion of immersive technologies has bumped head-on with the coronavirus disease 2019 (COVID-19) global pandemic caused by the severe acute respiratory syndrome-coronavirus 2 (SARS-C…

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Computer Science Preprint PDF DOI

Flexible Virtual Reality System for Neurorehabilitation and Quality of Life Improvement

Iulia-Cristina Stanica, Florica Moldoveanu, Giovanni-Paul Portelli, Maria-Iuliana Dascalu, Alin Moldoveanu, Mariana Georgiana Ristea · 2020

As life expectancy is mostly increasing, the incidence of many neurological disorders is also constantly growing. For improving the physical functions affected by a neurological disorder, rehabilitati…

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Computer Science Preprint PDF DOI

Continuous Operator Authentication for Teleoperated Systems Using Hidden Markov Models

Junjie Yan, Kevin Huang, Kyle Lindgren, Tamara Bonaci, Howard Jay Chizeck · 2020

In this paper, we present a novel approach for continuous operator authentication in teleoperated robotic processes based on Hidden Markov Models (HMM). While HMMs were originally developed and widely…

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Computer Science Preprint PDF DOI

Privacy-Utility Tradeoff for Hypothesis Testing Over A Noisy Channel

Lin Zhou, Daming Cao · 2020

We study a hypothesis testing problem with a privacy constraint over a noisy channel and derive the performance of optimal tests under the Neyman-Pearson criterion. The fundamental limit of interest i…

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Computer Science Preprint PDF DOI

Optimizing Item and Subgroup Configurations for Social-Aware VR Shopping

Shao-Heng Ko, Hsu-Chao Lai, Hong-Han Shuai, De-Nian Yang, Wang-Chien Lee, Philip S. Yu · 2020

Shopping in VR malls has been regarded as a paradigm shift for E-commerce, but most of the conventional VR shopping platforms are designed for a single user. In this paper, we envisage a scenario of V…

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Computer Science Preprint PDF DOI

A Comparative Analysis of Virtual Reality Head-Mounted Display Systems

Arian Mehrfard, Javad Fotouhi, Giacomo Taylor, Tess Forster, Nassir Navab, Bernhard Fuerst · 2019

With recent advances of Virtual Reality (VR) technology, the deployment of such will dramatically increase in non-entertainment environments, such as professional education and training, manufacturing…

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Computer Science Preprint PDF DOI

Evaluating the Data Quality of Eye Tracking Signals from a Virtual Reality System: Case Study using SMI's Eye-Tracking HTC Vive

Dillon J. Lohr, Lee Friedman, Oleg V. Komogortsev · 2019

We evaluated the data quality of SMI's tethered eye-tracking head-mounted display based on the HTC Vive (ET-HMD) during a random saccade task. We measured spatial accuracy, spatial precision, temporal…

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Computer Science Preprint PDF DOI

Increasing the Quality of 360{\deg} Video Streaming by Transitioning between Viewport Quality Adaptation Mechanisms

Christian Koch, Arne-Tobias Rak, Michael Zink, Ralf Steinmetz, Amr Rizk · 2019

Virtual reality has been gaining popularity in recent years caused by the proliferation of affordable consumer-grade devices such as Oculus Rift, HTC Vive, and Samsung VR. Amongst the various VR appli…

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