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The Struggles of Rigging: On Joint Deformation Problems in Human Digital Characters
University West, Department of Economics and IT.
University West, Department of Economics and IT.
2012 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The bulk of research in digital 3D animation is focused on problem solving and the development of new techniques and innovations for the 3D animation software of the future. However, little consideration is given for the underlying reasons why problems arise from a psychological perspective, and if 3D animation is to establish itself as a discipline in academia, strides must be taken to strengthen its foundations with existing academic disciplines.This undergraduate thesis examines the possible causes of joint deformation problems inherent to digital human character rigs in Autodesk Maya using cognitive psychology, specifically theories of perception, with additional considerations for the roles of the Uncanny Valley effect and suspension of disbelief. An experiment was devised to evaluate the presence of joint deformation problems on a basic human character rig and in two approaches of solution.The results supported the presented hypothesis on what causes the viewer to notice joint deformation problems, but further investigation is required for test it definitively. The study also implied that whilst joint deformation problems may be noticed by the viewer and cause distraction from the content of a digital film, other factors also strongly affect the viewer’s experience in a similar manner. The results of further studies could help digital artists better understand how the audience may respond to the presence of joint deformation problems and optimise their workflow.

Abstract [sv]

Den övergripande forskningen kring digital 3D-animation är främst fokuserad på problemlösning samt utvecklingen av ny teknik och innovation för framtida programvaror utformade för 3D-animation. Dock har det sällan tagits någon hänsyn till de underliggande anledningarna om varför problemen uppstår, och inte heller genom ett psykologiskt perspektiv. Om 3D-animation ska bli mer etablerat inom den akademiska disciplinen så behöver framsteg göras för att skapa en starkare grund.Denna vetenskapliga uppsats undersöker möjliga anledningar till varför joint-deformationsproblem upplevs med riggen för digitala mänskliga karaktärer i Autodesk Maya. Detta utforskas genom att använda kognitiv psykologi, speciellt teorier kring perception, med ytterligare överväganden om att ”the Uncanny Valley” och ”Suspension of disbelief” skulle vara avgörande faktorer. Ett experiment var utformat för att utvärdera närvarandet av joint-deformationsproblem gällande en grundläggande mänsklig karaktär samt två möjliga lösningar till problemet.Den presenterade hypotesen, om vad som påverkar att en betraktare noterar joint-deformationsproblem, stärktes av undersökningens givna resultat. Dock är fortsatta forskningar kring ämnet nödvändiga för att definitivt bekräfta hypotesens reliabilitet och validitet. Undersökningen visade att problem med joint-deformationer kan noteras av betraktaren och därmed skapa en distraktion för filmens handling, men att andra faktorer kan vara mer avgörande för samma innebörd. Framtida forskningar kan resultera i att hjälpa digitala artister att underlätta deras förståelse om hur en publik kan tänkas reagera på närvarandet av joint-deformationsproblem och att effektivisera deras arbetsprocess.

Place, publisher, year, edition, pages
2012. , p. 45
Keywords [en]
Digital 3D Animation, Perception, Human Character Rigging, Joint Deformation Problems, Skinning, Uncanny Valley, Visual Imagery, Suspension of Disbelief
Keywords [sv]
Digital 3D animation, perception, mänsklig karaktär-riggning, joint-deformationsproblem, skinning, uncanny valley, visual imagery, suspension of disbelief
National Category
Design
Identifiers
URN: urn:nbn:se:hv:diva-4413OAI: oai:DiVA.org:hv-4413DiVA, id: diva2:534400
Uppsok
Fine Art
Supervisors
Examiners
Available from: 2012-06-19 Created: 2012-06-16 Last updated: 2012-06-19Bibliographically approved

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