NDLI: Realistic facial animation of speech synchronization for Indonesian language

Content Provider	IEEE Xplore Digital Library
Author	Liyanthy, M. Nugroho, H. Maharani, W.
Copyright Year	2015
Description	Author affiliation: Telecommun. Eng., Bandung State of Polytech., Bandung, Indonesia (Nugroho, H.) \|\| Inf. Program, Telkom Univ., Bandung, Indonesia (Maharani, W.) \|\| Inf. Program, Pasundan Univ., Bandung, Indonesia (Liyanthy, M.)
Abstract	Speech synchronization is one of the studies in the field of facial animation that has been widely studied, which results in speech animation, but there are still many challenges that have not been reached at this time, one of which is realistic speech synchronization. Because of differences in visual phoneme (viseme) in the pronunciation of each language, it is very difficult to make speech synchronization tools that are applicable for all languages, and at present there are no speech synchronization tools that can provide good results for Indonesian Language. This study proposes the introduction of co-articulation in speech synchronization to produce a more realistic animation, and viseme mapping based on the consonant-vowel (CV) syllable pattern in the Indonesian language, resulting in a more specific viseme group, so it supports the development of realistic speech synchronization, next called as Bahasa Speech Sync. Co-articulation calculation is done using Kochanek-Bartels spline interpolation approach which adds tension, bias and continuity parameters, using the 4 control points taken from real human videos, to accommodate the concept of co-articulation. Viseme mapping is done by comparing the difference in distance between the 12 crucial points with a point of reference for each syllable. Based on the results of our proposed viseme grouping procedure, we have simplified the viseme generation from a combination of 21 consonants and 5 vowels into 24 groups of viseme, 18 of which represent the start position while 6 groups represent the and position. Test result of the similarity of the movement between generated animation and real human videos has achieved 89% “realistic” perception based on our proposed distance criteria.
Starting Page	563
Ending Page	567
File Size	867374
Page Count	5
File Format	PDF
e-ISBN	9781479977529
DOI	10.1109/ICoICT.2015.7231486
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-27
Publisher Place	Bali
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Realistic speech synchronization Viseme grouping Mouth Bahasa speech sync Co-articulation Speech Synchronization Facial animation Mathematical model Videos
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
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
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