NDLI: An embodied entrainment avatar-shadow system to support avatar mediated communication

Content Provider	IEEE Xplore Digital Library
Author	Esaki, K. Inoue, S. Watanabe, T. Ishii, Y.
Copyright Year	2015
Description	Author affiliation: Fac. of Comput. Sci. & Syst. Eng., Okayama Parefectural Univ., Okayama, Japan (Watanabe, T.; Ishii, Y.) \|\| Grad. Sch. of Syst. Eng., Okayama Prefectural Univ., Okayama, Japan (Esaki, K.; Inoue, S.)
Abstract	Shadow is significant for an effective projection of real objects and has an important role in three-dimensional effects and reality of virtual space. Therefore, an avatar's shadow should have interactive effects with the avatar's self in a virtual space. In our previous research, we reported that an auto-generated interactive avatar's motion that is different from the talker's own motion does not always support human communication. However, using an avatar-shadow, talkers can communicate effectively, without inconsistency between their own motions and their avatar's motions in a virtual space in which the avatar-shadow's motions are expressed by combining the talker's own motions with auto-generated interactive motions. Accordingly, we propose an embodied entrainment avatar-shadow system. This system is composed of the talkers' avatars and their avatar-shadows based on their own motions and auto-generated entrained motions. In addition, we develop a prototype from three viewpoints for a more effective use of the avatar-shadow. In this paper, we perform two conversation experiments to study the effects of the avatar-shadow using sensory evaluation. The first experiment is a role-play experiment in which two subjects play roles of a speaker and a listener. The second one is a free conversation experiment in which two subjects talk about daily life. The results of the sensory evaluation experiments allow us to demonstrate the effectiveness of the avatar-shadow's existence and the auto-generated nodding response.
Starting Page	419
Ending Page	424
File Size	1775184
Page Count	6
File Format	PDF
e-ISBN	9781467367042
DOI	10.1109/ROMAN.2015.7333615
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-31
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Avatars Speech Communication systems Rendering (computer graphics) Image color analysis Visual effects Mathematical model
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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
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