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  • Research Article
  • Open Access

Three-Dimensional Facial Adaptation for MPEG-4 Talking Heads

  • 1Email author,
  • 2,
  • 1 and
  • 1
EURASIP Journal on Advances in Signal Processing20022002:764808

  • Received: 31 August 2001
  • Published:


This paper studies a new method for three-dimensional (3D) facial model adaptation and its integration into a text-to-speech (TTS) system. The 3D facial adaptation requires a set of two orthogonal views of the user′s face with a number of feature points located on both views. Based on the correspondences of the feature points′ positions, a generic face model is deformed nonrigidly treating every facial part as a separate entity. A cylindrical texture map is then built from the two image views. The generated head models are compared to corresponding models obtained by the commonly used adaptation method that utilizes 3D radial bases functions. The generated 3D models are integrated into a talking head system, which consists of two distinct parts: a multilingual text to speech sub-system and an MPEG-4 compliant facial animation sub-system. Support for the Greek language has been added, while preserving lip and speech synchronization.


  • MPEG-4
  • 3D model based coding
  • text to speech
  • facial adaptation
  • talking face

Authors’ Affiliations

Informatics and Telematics Institute, Centre for Research and Technology Hellas, 1st Km Thermi-Panorama Road, Thessaloniki, 57001, Greece
Information Processing Laboratory, Electrical and Computer Engineering Department, Aristotle University of Thessaloniki, Thessaloniki, 54006, Greece


© Grammalidis et al. 2002