Facial expression recognition based on Local Binary Patterns
الموضوعات : journal of Artificial Intelligence in Electrical EngineeringSaeede Jabbarzadeh Reyhani 1 , Saeed Meshgini 2
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الکلمات المفتاحية: principal component analysis, Support vector machine, Facial Expression Recognition, Local binary pattern, Linear Discriminant Analysis,
ملخص المقالة :
Classical LBP such as complexity and high dimensions of feature vectors that make it necessary to apply dimension reduction processes. In this paper, we introduce an improved LBP algorithm to solve these problems that utilizes Fast PCA algorithm for reduction of vector dimensions of extracted features. In other words, proffer method (Fast PCA+LBP) is an improved LBP algorithm that is extracted from classical LBP operator. In this method, first circular neighbor operator is used for features extraction of facial expression. Then, an algorithm of Fast PCA is used for reduction of feature vector dimensions. Simulation results show that the proposed method in this paper in terms of accuracy and speed of recognition, has had a better performance compared with the same algorithm.
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