NDLI: High-Fidelity Avatar Eye-Representation

Content Provider	IEEE Xplore Digital Library
Author	Steptoe, W. Steed, A.
Copyright Year	2008
Description	Author affiliation: Univ. Coll. London, London (Steptoe, W.; Steed, A.)
Abstract	In collaborative virtual environments, the visual representation of avatars has been shown to be an important determinant of participant behaviour and response. We explored the influence of varying conditions of eye-representation in our high-fidelity avatar by measuring how accurately people can identify the avatar's point-of- regard (direction of gaze), together with subjective authenticity assessments of the avatar's behaviour and visual representation. The first of two variables investigated was , which is to say that our avatar's eyelids, eyebrows and surrounding areas morphed realistically depending on eye-rotation. The second wasof our avatar's eyes to the exact point-of-regard. Our results suggest that the two variables significantly influence the accuracy of point-of-regard identification. This accuracy is highly dependent on the combination of viewing-angle and the point-of-regard itself. We found that socket-deformation in particular has a highly positive impact on the perceived authenticity of our avatar's overall appearance, and when judging just the eyes. However, despite favourable subjective ratings, overall performance during the point-of-regard identification task was actually worse with the highest quality avatar. This provides more evidence that as we move forward to using higher fidelity avatars, there will be a tradeoff between supporting realism of representation and supporting the actual communicative task.
Starting Page	111
Ending Page	114
File Size	4579174
Page Count	4
File Format	PDF
ISBN	9781424419715
DOI	10.1109/VR.2008.4480759
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Avatars Computer graphics Eyes Humans Collaboration Virtual environment Virtual reality Computer science Educational institutions Eyelids I.3.7 [Computer Graphics]: General¿Human Factors collaborative virtual environments avatars social presence behavioural realism representation eye-gaze H.5.1 [Information Interfaces and Presentation]: Multimedia Information Systems¿Artificial, augmented and virtual realities I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism¿Animation I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism¿Virtual Reality
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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