August 2019
Intermediate to advanced
342 pages
9h 35m
English
Content preview from Hands-On Artificial Intelligence for Cybersecurity
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Eigenfaces example
So, here we come to the application of the PCA technique for facial recognition. In the following example, we will associate each image in our archive with the name corresponding to the person represented in the image.
To do this, we need to reduce the dimensionality of the image (consisting of the numerous features corresponding to the different characteristics of the pixels) to the main components, that is, the features most relevant to recognition purposes. These main components are Eigenfaces.
Some Eigenfaces are shown in the following screenshot:
(Image credits: Wikipedia, at https://en.wikipedia.org/wiki/File:Eigenfaces.png) ...
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