A face aging method based on principal component analysis
A technology of principal component analysis and face portrait, applied in the field of image processing, can solve the problems of complex aging algorithm, lack of personality, loss of high-frequency information of face, etc., and achieve the effect of reducing data storage space, improving operation speed and simple model
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[0056] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.
[0057] The core idea of the present invention is to propose a face portrait aging method based on principal component analysis through principal component analysis technology, so as to improve the performance of the existing portrait aging method.
[0058] The steps of the embodiment of the present invention are as follows:
[0059] Step 1, change the photos in the original aging photo dataset from color images to grayscale images, and then perform sample normalization on the original aging photo dataset;
[0060] The steps of sample normalization are as follows:
[0061] The first step is to translate, rotate, and scale all the photos so that the same face parts in different images are roughly in the same position;
[0062] In the second step, all the aligned images are cropped to a size of 120×120, so that the image only contains the forehead, e...
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