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The Perception of Weight in Virtual Reality When Combining Velocity Limiting and Control/Display Ratio Modification
KTH, School of Electrical Engineering and Computer Science (EECS).
2023 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Uppfattningen om Vikt i Virtuell Verklighet vid Kombination av Hastighetsbegränsning och Ändring av Kontroll/Visningsförhållande (Swedish)
Abstract [en]

This study explored the perception of weight in virtual reality using the combination of limiting the velocity with which an object can be lifted and control/display ratio modification and what affordances and challenges the combination might bring. Both interaction methods have thus far been explored independently, but not together. A virtual reality environment was designed that allowed each interaction method to be tested independently and together. A between-subjects user study was conducted where participants did multiple weight discrimination tasks along with a task involving absolute weight estimation. Results indicated that the combination of the two interaction methods increased the accuracy of weight discrimination considerably while not allowing for absolute weight estimation. It also increased the likelihood of noticing the interaction method with some participants that tested only one interaction method struggling to distinguish between the weights. Future work is required to reduce the frustrations that dropping objects due to the velocity limit caused among participants.

Abstract [sv]

Denna studie undersökte uppfattningen om vikt i virtuell verklighet genom att kombinera begränsning av lyftförmågan hos ett objekt med ä ndring av kontroll-/visningsförhållande och vilka möjligheter och utmaningar denna kombination kan medföra. Båda interaktionsmetoderna har hittills undersökts separat, men inte tillsammans. En virtuell verklighetsmiljö utformades som möjliggjorde testning av varje interaktionsmetod separat och tillsammans. En användarstudie med mellangruppsdesign genomfördes där deltagarna utförde flera uppgifter för viktdiskriminering samt en uppgift för att uppskatta absolut vikt. Resultaten indikerade att kombinationen av de två interaktionsmetoderna avsevärt ökade noggrannheten för viktdiskriminering samtidigt som den inte tillät uppskattning av absolut vikt. Det ökade också sannolikheten för att märka interaktionsmetoden hos vissa deltagare, där de som endast testade en interaktionsmetod hade svårt att skilja mellan vikterna. Framtida arbete krävs för att minska frustrationen då ett objekt tappas på grund av hastighetsbegränsningen vilket orsakades bland deltagarna.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology , 2023. , p. 27
Series
TRITA-EECS-EX ; 2023:505
Keywords [en]
Weight perception, virtual reality, velocity limiting, control/display ratio modification
Keywords [sv]
viktuppfattning, virtuell verklighet, hastighetsbegränsning, ändring av kontroll-/visningsförhållande
National Category
Computer and Information Sciences Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-331988OAI: oai:DiVA.org:kth-331988DiVA, id: diva2:1782870
External cooperation
Ericsson
Presentation
2023-06-09, via Zoom https://kth-se.zoom.us/s/68998056251, Visualization Studio, Lindstedtsvägen 5, 11:00 (English)
Supervisors
Examiners
Available from: 2023-08-07 Created: 2023-07-17 Last updated: 2025-02-18Bibliographically approved

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CiteExportLink to record
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Citation style
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