Graph Signal Processing, Gsp, Signal Processing, Spectral Analysis, Fourier Transform.
https://sipi.usc.edu/~ortega/Papers/GraphSignalProcessing-ICIP-2013-Ortega.pdf In this blog, I assume that the reader has some knowledge of the following mathematical and signal processing concepts. You can google and learn about these topics if you need! Vectors and Matrices Eigenvectors and