Image classification method based on kernel principal component analysis network
A technology of kernel principal component analysis and classification methods, applied in the field of digital images, can solve the problems of very sensitive training data noise, loss of nonlinear energy in high dimensions, lack of normalization of functions, etc.
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[0170] The technical solution of the present invention will be described in detail below with reference to the drawings and embodiments.
[0171] Such as Figure 1-4 As shown, the image classification method based on the nuclear principal component analysis network in the present invention constructs a new image feature extraction structure by cascading two-layer nuclear principal component analysis filters, which is called the nuclear principal component analysis network. The nuclear principal component analysis network was tested, specifically including the following steps.
[0172] Step 1: Establish the first layer of the nuclear principal component analysis network
[0173] Step 1.1: Randomly select N from N image databases of size m×n 1 Frame as the training image database; use a size k 1 ×k 2 The slider of traverses each training image in the training image database Each pixel of which Is the set of real numbers, k 1 And k 2 Are all odd and 0 1 ≤m, 0 2 ≤n, each image has a t...
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