Classification and aggregation sparse representation face identification method based on nuclear space
A sparse representation and face recognition technology, which is applied in the field of face recognition with sparse representation of classification and aggregation, and can solve the problems of large fitting error and low accuracy.
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[0071] The present invention will be further described below in conjunction with the accompanying drawings.
[0072] A face recognition method based on classification clustering sparse representation of kernel space, comprising the following steps:
[0073] Step 1: Use convolutional neural network to extract face features from face images. In this embodiment, the VGG model (Deepface recognition, O.M. Parkhiand A. Vedaldian and A. Zisserman, Deep Face Recognition, Proceeding of the British Machine Vision Conference (BMVC), 2015) is selected. First, change the size of the face image to 224×224, and then call the VGG model to obtain the features of the face image.
[0074] Step 2: Training classification aggregation dictionary, the training steps are:
[0075] (1) Input training sample, adopt the picture sample training classification dictionary that comprises C kinds, training sample space is represented by X, expresses as X=[X 1 ,X 2 ,...,X c ,...,X C ]∈R D×N , D represe...
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