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《Acta Electronica Sinica》 2017-03
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Face Recognition Algorithm Based on Improved Deep Networks

LI Qian-yu;JIANG Jian-guo;QI Mei-bin;School of Computer & Information,Hefei University of Technology;  
Current face recognition algorithms use hand-crafted features or extract features by deep learning. This paper presents a face recognition algorithm based on improved deep networks that can automatically extract the discriminative features of the target more accurately. Firstly,this algorithm uses ZCA( Zero-mean Component Analysis) whitening to preprocess the input images in order to reduce the correlation between features and the complexity of the training networks.Then,it organically combines convolution,pooling and stacked sparse autoencoder to get a deep network feature extractor.The convolution kernels are achieved through a separate unsupervised learning model. The improved deep networks get an automatic deep feature extractor through preliminary training and fine-tuning. Finally,the softmax regression model is used to classify the extracted features. This algorithm is tested on several commonly used face databases. It is indicated that the performance is better than the traditional methods and common deep learning methods.
【Fund】: 国家自然科学基金(No.61371155);; 安徽科技攻关项目(No.1301b042023)
【CateGory Index】: TP391.41
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