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Book synopsis

This work presents a novel approach for recognizing facial expressions by incorporating class-mean Gabor responses of sampled images of human facial expressions and kernel principal component analysis (kernel PCA) with fractional polynomial power models. A mean vector of features is obtained with Gabor filters from a class of images instead of the more common method in which features are obtained from individual images. The computational cost of spatial convolutions on mean features of a class is less than the same type of convolutions with individual features. The dimensionality of mean features from Gabor filters is further reduced by using a kernel PCA technique with polynomial kernels. The kernel PCA technique is extended to use fractional power polynomial models for facial expression recognition. The proposed approach has the advantage of doing fewer projections than other facial expression recognition approaches that use traditional kernel PCA models. The proposed approach of class- mean Gabor responses has higher accuracy than existing systems that use the kernel PCA technique with class-mean image responses only.

Book details

Book category Books in English Computing & information technology Information technology: general issues

• Full title: Facial Expression Recognition
• Subtitle: by Using Class Mean Gabor Responses with Kernel Principal Component Analysis
• Author: Carlo Chung
• Language: English
• Binding: Paperback
• Number of pages: 76
• EAN: 9783639233100
• ISBN: 3639233107
• ID: 06831038
• Publisher: VDM Verlag
• Weight: 122 g
• Dimensions: 229 × 152 × 5 mm
• Date of publishing: 09. May 2010

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