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Reseach Article

Facial Expression Recognition using Hybrid Transform

by Anmar. A. Razzak, Ahmed Rafid Hashem
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 119 - Number 15
Year of Publication: 2015
Authors: Anmar. A. Razzak, Ahmed Rafid Hashem
10.5120/21142-4166

Anmar. A. Razzak, Ahmed Rafid Hashem . Facial Expression Recognition using Hybrid Transform. International Journal of Computer Applications. 119, 15 ( June 2015), 12-18. DOI=10.5120/21142-4166

@article{ 10.5120/21142-4166,
author = { Anmar. A. Razzak, Ahmed Rafid Hashem },
title = { Facial Expression Recognition using Hybrid Transform },
journal = { International Journal of Computer Applications },
issue_date = { June 2015 },
volume = { 119 },
number = { 15 },
month = { June },
year = { 2015 },
issn = { 0975-8887 },
pages = { 12-18 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume119/number15/21142-4166/ },
doi = { 10.5120/21142-4166 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:04:07.152618+05:30
%A Anmar. A. Razzak
%A Ahmed Rafid Hashem
%T Facial Expression Recognition using Hybrid Transform
%J International Journal of Computer Applications
%@ 0975-8887
%V 119
%N 15
%P 12-18
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Automatic analysis of facial expressions is rapidly becoming an area of intense interest in computer vision and artificial intelligence research communities. In this paper an approach is presented for facial expression recognition of the six basic prototype expressions (i. e. , happy, surprise, anger, sadness, fear, and disgust) based on Facial Action Coding System (FACS). The approach utilizes the hybrid transform in which consists of two transforms; the Wavelet transform and the Discrete Cosine Transform (DCT). The approach suggested includes many steps such as preprocessing, feature extraction, clustering and recognition. In feature extraction phase the Wavelet transform and the Discrete Cosine Transform (DCT) were implemented, in the clustering phase the Self Organizing Feature Map produced by Kohonen was implanted. Topological ordering patterns produced by Kohonen Self Organizing Map, in which implemented on feature extracted for each prototype facial expression was used to classify the six basic expressions. The map will compute the topological relationship between the particular expressions featured. While in recognition phase Euclidean distance measure had been used. The method tested using FACS-Coded expressions database of basic emotions: "Cohn-Kanade Database". An average recognition rate of 92. 2% was achieved for six basic expressions.

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Index Terms

Computer Science
Information Sciences

Keywords

DCT wavelet facial expression recognition SOM Euclidean distance.