Presentation 2007-06-15
Orientation Selectivity on Gabor Wavelets and ART Networks for Representation of Facial Expression Changes
Hirokazu MADOKORO, Kazuhito SATO, Masaki ISHII,
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Abstract(in English) This paper presents a method for representation of facial expression changes using orientation selectivity of Gabor wavelets on Adaptive Resonance Theory (ART) networks, which are unsupervised and self-organizing neural networks that contain a stability-plasticity tradeoff. The classification ability of ART is controlled by a parameter called the attentional vigilance parameter. However, the networks often produce inclusions or redundant categories. The proposed method produces suitable vigilance parameters according to classification granularity using orientation selectivity. Moreover, the method can represent the appearance and disappearance of facial expression changes to detect dynamic, local, and topological feature changes from whole facial images.
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Keyword(in English) Gabor Wavelets / ART / Orientation Selectivity / Facial Expression Changes / Vigilance Parameter
Paper # NC2007-18
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Committee NC
Conference Date 2007/6/7(1days)
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Registration To Neurocomputing (NC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Orientation Selectivity on Gabor Wavelets and ART Networks for Representation of Facial Expression Changes
Sub Title (in English)
Keyword(1) Gabor Wavelets
Keyword(2) ART
Keyword(3) Orientation Selectivity
Keyword(4) Facial Expression Changes
Keyword(5) Vigilance Parameter
1st Author's Name Hirokazu MADOKORO
1st Author's Affiliation Research Institute of Advanced Technology, Akita Prefectural R&D Center()
2nd Author's Name Kazuhito SATO
2nd Author's Affiliation Research Institute of Advanced Technology, Akita Prefectural R&D Center
3rd Author's Name Masaki ISHII
3rd Author's Affiliation Research Institute of Advanced Technology, Akita Prefectural R&D Center
Date 2007-06-15
Paper # NC2007-18
Volume (vol) vol.107
Number (no) 92
Page pp.pp.-
#Pages 6
Date of Issue