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Markus Leyrer

 

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Markus Leyrer

Position: Research Scientist  Unit: Alumni Bülthoff


With the recent progress in virtual reality technology and the increase in computational power, virtual reality is now a very useful tool for a large variety of applications in very diverse domains. The possibility to easily provide users with sophisticated immersive virtual environments delivered via large screen displays or head-mounted displays has turned virtual reality into a Swiss army knife for applications ranging from training, prototyping, design, medical rehabilitation and entertainment to research in human perception, scientific visualization and more. However, to be effective, many of these applications require that the displayed virtual environments are visually perceived as a replica of the real world. Thus, an important question is how do we perceive space in virtual environments and what factors contribute to space perception, specifically in virtual environments.

 

In my research I am mainly interested in distance (and space) perception in virtual environments and focus on specific factors which can influence our perception of space. Such factors are for example eye height, visual cues, posture in relation to gravity and others. A better understanding of these factors may allow us to better understand space perception in general and to use this knowledge to change perceived space in virtual environments.

 

Especially, changing the perceived space can become very important: Consider flying in an air plane where physical space is usally very restricted (at least in the economy class). With this research it might be possible to provide passengers with the virtual illusion of more space, which ultimately can lead to more comfort. This comfort/change of perception research is  conducted in the context of the EU-Project VR-Hyperspace (Link), which is is a 7th Framework Programme funded under the Aeronautics and Air Transport (AAT) workprogramme.

 

 


 

 


Data for accepted manuscripts in raw format (.spss Dataformat):

Eye height for perceiving egocentric distances can be determined by non-visual, body-based cues.

- to appear

 

 

(For furhter explanation of variable declaration as far not apparent from the variable name, feel free to contact me anytime.)

Education

2014 - ongoing Post-Doctoral Researcher

Space and Body Perception Group (Betty J. Mohler), Max Planck Institute for Biological Cybernetics, Tübingen, Germany.


2011 - 2014 Ph.D. Candidate
supervised by Dr. Betty Mohler & Dr. Sally Linkenauger.
Department Human Perception, Cognition and Action (Dept. Head: Heinrich H. Buelthoff), Max Planck Institute for Biological Cybernetics, Tübingen, Germany.

 

2008 – 2011 Master Student

Media and Communication Informatics - Reutlingen University, Germany.

Graduation with distinction.

 

2005 – 2008 Bachelor Student

Media and Communication Informatics - Reutlingen University, Germany.

 

1995 – 2004 High School Student

Graf-Eberhard-Gymnasium, Bad Urach.

 

Work Experience

 

2008 – 2010 Reutlingen University, Reutlingen, Germany

Teaching in the computer graphics laboratory. Technical assistance and administration of the VRlab. Administration of Student laboratories, support of students, licence administration, server administration.

 

2007 Forschungs- und Innovationszentrum BMW Group, München, Germany.

Development and projectmanagment of a webbased system for internal order tracking of rapid prototyping parts.

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Books (1):

Leyrer M: Understanding and Manipulating Eye Height to Change the User's Experience of Perceived Space in Virtual Reality, 164, Logos Verlag, Berlin, Germany, (2014). ISBN: 978-3-8325-3854-5, Series: MPI Series in Biological Cybernetics ; 39

Articles (4):

Leyrer M, Linkenauger SA, Bülthoff HH and Mohler BJ (May-2015) The Importance of Postural Cues for Determining Eye Height in Immersive Virtual Reality PLoS ONE 10(5) 1-23.
Leyrer M, Linkenauger SA, Bülthoff HH and Mohler BJ (February-2015) Eye Height Manipulations: A Possible Solution to Reduce Underestimation of Egocentric Distances in Head-Mounted Displays ACM Transactions on Applied Perception 12(1:1) 1-23.
Linkenauger SA, Geuss MN, Stefanucci JK, Leyrer M, Richardson BH, Proffitt DR, Bülthoff HH and Mohler BJ (November-2014) Evidence for Hand-Size Constancy: The Dominant Hand as a Natural Perceptual Metric Psychological Science 25(11) 2086-2094.
Linkenauger SA, Leyrer M, Bülthoff HH and Mohler BJ (July-2013) Welcome to Wonderland: The Influence of the Size and Shape of a Virtual Hand On the Perceived Size and Shape of Virtual Objects PLoS ONE 8(7) 1-16.

Conference papers (5):

Soyka F, Leyrer M, Smallwood J, Ferguson C, Riecke BE and Mohler BJ (July-2016) Enhancing stress management techniques using virtual reality, ACM Symposium on Applied Perception (SAP '16), ACM Press, New York, NY, USA, 85-88.
Rauhöft G, Leyrer M, Thompson W, Klatzky R, Stefanucci J and Mohler B (September-2015) Evoking and Assessing Vastness in Virtual Environments, ACM SIGGRAPH Symposium on Applied Perception (SAP '15), ACM Press, New York, NY, USA, 51-54.
Soyka F, Kokkinara E, Leyrer M, Bülthoff HH, Slater M and Mohler BJ (March-25-2015) Turbulent Motions Cannot Shake VR, IEEE Virtual Reality (VR 2015), IEEE, Piscataway, NJ, USA, 33-40.
D'Cruz M, Patel H, Lewis L, Cobb S, Bues M, Stefani O, Grobler T, Helin K, Viitaniemi J, Aromaa S, Frohlich B, Beck S, Kunert A, Kulik A, Karaseitanidis I, Psonis P, Frangakis N, Slater M, Bergstrom I, Kilteni K, Kokkinara E, Mohler B, Leyrer M, Soyka F, Gaia E, Tedone D, Olbert M and Cappitelli M (February-2014) Demonstration: VR-HYPERSPACE - The innovative use of virtual reality to increase comfort by changing the perception of self and space, IEEE Virtual Reality (VR 2014), IEEE, Piscataway, NJ, USA, 167-168.
Leyrer M, Linkenauger SA, Bülthoff HH, Kloos U and Mohler B (August-2011) The influence of eye height and avatars on egocentric distance estimates in immersive virtual environments, 8th Symposium on Applied Perception in Graphics and Visualization (APGV 2011), ACM Press, New York, NY, USA, 67-74.

Posters (3):

Wellerdiek AC, Leyrer M, Volkova E, Chang D-S and Mohler B (August-2013): Recognizing your own motions on virtual avatars: is it me or not?, ACM Symposium on Applied Perception (SAP '13), Dublin, Ireland.
Leyrer M, Linkenauger SA, Bülthoff HH, Kloos U and Mohler BJ (September-2011): Perception of the size of self and the surrounding visual world in immersive virtual environments, 34th European Conference on Visual Perception, Toulouse, France, Perception, 40(ECVP Abstract Supplement) 209.
Leyrer M, Linkenauger SA, Bülthoff HH, Kloos U and Mohler B (September-2011): The influence of a scaled third-person animated avatar on perception and action in virtual environments, 11th Annual Meeting of the Vision Sciences Society (VSS 2011), Naples, FL, USA, Journal of Vision, 11(11) 69.

Theses (2):

Leyrer M: Understanding and Manipulating Eye Height to Change the User's Experience of Perceived Space in Virtual Reality, Eberhard-Karls-Universität Tübingen, (October-2014). PhD thesis
Leyrer M: The influence of the apparent size of a third-person self-animated avatar on perception and action in immersive virtual environments, Reutlingen University, (February-28-2011). Master thesis

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Last updated: Monday, 22.05.2017