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Animated figures like Nana above
produce signs with instructions from
SignWriting, on the VSigns web site.



Nikos Grammalidis presenting in Lisbon

Sign Processing Workshop
Lisbon, May 30, 2004


Synthesis of Virtual Reality Animations from SWML
using MPEG-4 Body Animation Parameters

by Maria Papadogiorgaki,
Nikos Grammalidis,
Nikos Sarris, Michael G. Strintzis

Abstract
This paper presents a novel approach for generating VRML animation sequences from Sign Language notation, based on MPEG-4 Body Animation. Sign Language notation, in the well-known SignWriting system, is provided as input and is initially converted to SWML (SignWriting Markup Language), an XML-based format which has recently been developed for the storage, indexing and processing of SignWriting notation. Each sign box (basic sign) is then converted to a sequence of Body Animation Parameters (BAPs) of the MPEG-4 standard, corresponding to the represented gesture. These sequences, which can also be coded and/or reproduced by MPEG-4 BAP players, are then used to animate H-anim compliant VRML avatars, reproducing the exact gestures represented in sign language notation. Envisaged applications include producing signing avatars for interactive information systems (Web, E-mail, info–kiosks) and TV newscasts for persons with hearing disabilities.

Download Complete Paper

Read More About SWML


SignWriting in Greece

VSigns
http://vsigns.iti.gr:8080/VSigns


Maria
Papadogiorgaki
mpapad@iti.gr

Nikos Grammalidis
ngramm@iti.gr

Electrical Engineer, Ph.D.
Informatics and Telematics Institute
Thermi-Thessaloniki, Greece


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Questions? Write to:
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