This video describes how the singular value decomposition (SVD) can be used to efficiently represent human faces, in the so-called “eigenfaces” (Matlab code, part 4).
Book Website: http://databookuw.com
Book PDF: http://databookuw.com/databook.pdf
These lectures follow Chapter 1 from: “Data-Driven Science and Engineering: Machine Learning, Dynamical Systems, and Control” by Brunton and Kutz
Brunton Website: eigensteve.com