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Research Papers & Publications

Explore our latest research contributions in virtual reality, immersive education, and human-computer interaction

2025

Sign Language VR Education
Journal Article
December 2025 VR in Education

Accessible American Sign Language Learning in Virtual Reality via Inverse Kinematics

Jeremy Immanuel, Santiago Berrezueta-Guzman

This paper presents an inclusive, low-cost VR minigame for learning American Sign Language that replaces full-body motion capture with an inverse-kinematics and controller-based tracking pipeline, enabling accessible sign practice on commodity headsets.

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Sign Language VR Education
Journal Article
August 2025 VR Education

Virtual Reality in Sign Language Education: Opportunities, Challenges, and the Road Ahead

Santiago Berrezueta-Guzman, Refia Daya, Stefan Wagner

This review article examines the potential of virtual reality in sign language education, discussing the opportunities it presents, the challenges faced, and future directions for accessible and immersive learning experiences.

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LLMs in VR Research
Journal Article
August 2025 VR Technology

How LLMs are Shaping the Future of Virtual Reality

Süeda Özkaya; Santiago Berrezueta-Guzman; Stefan Wagner

Analyzing 62 studies from 2018–2025, this paper shows that LLMs in VR games enable dynamic storytelling, emotionally intelligent NPCs, personalized gameplay, accessibility features, and AI-driven game mastering.

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Storytelling in VR Research
Journal Article
July 2025 VR Technology

Pushing the Boundaries of Immersion and Storytelling: A Technical Review of Unreal Engine

Oleksandra Sobchyshak, Santiago Berrezueta-Guzman, Stefan Wagner

An in-depth analysis of Unreal Engine's capabilities in creating immersive storytelling experiences, with focus on educational applications and virtual reality integration.

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3D Scanning Research
Conference Paper
June 2025 VR Technology

Photogrammetry and 3D Scanning for Educational VR: Techniques and Applications

Santiago Berrezueta-Guzman, Andrei Koshelev, Stefan Wagner

Exploring the use of photogrammetry and 3D scanning techniques to create realistic educational environments in virtual reality, with case studies from TUM Campus Heilbronn.

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Multiplayer VR Study
Journal Article
February 2025 VR Technology

Immersive Multiplayer VR: Unreal Engine's Strengths, Limitations, and Future Prospects

Santiago Berrezueta-Guzman, Stefan Wagner

An analysis of multiplayer virtual reality implementations using Unreal Engine, discussing technical challenges and solutions for educational environments.

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Serious Games VR Research
Journal Article
January 2025 VR Education

Serious Games Supported by Virtual Reality—Literature Review

Nadia Damianova; Santiago Berrezueta-Guzman

A comprehensive review of serious games in virtual reality, examining their effectiveness in educational contexts and potential applications in academic environments.

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VR Engine Comparison Research
Pre-print
August 18, 2025 VR Technology

Choosing the Right Engine in the Virtual Reality Landscape

Santiago Berrezueta-Guzman, Stefan Wagner

This paper provides a comparative analysis of Unreal Engine and Unity, two leading game engines in VR development. Evaluating factors such as rendering fidelity, performance optimization, usability, and scalability, the study offers insights to help developers select the most suitable engine for their projects.

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Eye Tracking VR Research
Pre-print
August 17, 2025 Human-Computer Interaction

iTrace: Click-Based Gaze Visualization on the Apple Vision Pro

Esra Mehmedova, Santiago Berrezueta-Guzman, Stefan Wagner

This study introduces iTrace, an application that enables gaze visualization on the Apple Vision Pro despite privacy restrictions. By employing click-based gaze extraction methods, the system generates dynamic heatmaps for analyzing attention patterns in education, environmental design, and cognitive assessment.

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VR UI Design Research
Pre-print
August 12, 2025 VR UI Design

Virtual Reality User Interface Design: Best Practices and Implementation

Esin Mehmedova, Santiago Berrezueta-Guzman, Stefan Wagner

This paper presents a systematic literature review to identify best practices in virtual reality (VR) user interface design. The authors propose unified guidelines and introduce a VR application, FlUId, to demonstrate both effective and ineffective UI design principles.

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Publication Statistics

10
Published Papers
4
Research Areas
2025
Active Year