NDLI: Effects of sizes and shapes of props in tangible augmented reality

Content Provider	IEEE Xplore Digital Library
Author	Eun Kwon Kim, G.J. Sangyoon Lee
Copyright Year	2009
Description	Author affiliation: University of Arizona, USA (Sangyoon Lee) \|\| Korea University, Korea (Eun Kwon; Kim, G.J.)
Abstract	In this paper, we investigated the effect of relative difference between the virtual object and tangible prop in its size and shape in terms of usability. We have found the obvious fact that in general that manipulation is more efficient with equally sized/shaped prop and virtual objects. In addition, when decoupled, the size difference factor did not matter. While an additional experiment (in progress) is needed to confirm the true effect of shape difference, we posit that prop design should concentrate on representing the critical shape features for a given class of objects the prop is to represent. Humans are adept at recognizing and identifying objects even if there are shown at different scales and in different angles. This ability, called “constancy” is weaker in the dimension of shapes, e.g. compared to sizes, which is another reason to suspect shape to be a more critical factor for effective prop design. Another significant factor, in the design of props (not treated in this paper) is the prop to virtual object alignment (which can affect the task performance in terms of finding and feeling for a stable grasp). For instance, possible choices for spatially registering a prop to a virtual object (or vice versa) can be about their respective center of gravity, about the chosen surface, etc. Future experiments and prop design method will have to take this into account as well.
Starting Page	201
Ending Page	202
File Size	524342
Page Count	2
File Format	PDF
ISBN	9781424453900
DOI	10.1109/ISMAR.2009.5336463
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Augmented reality Usability Testing Shape control Laboratories USA Councils Guidelines Floppy disks Haptic interfaces Product design
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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