Graph Signal Processing, Fourier Transform, Graph Fourier Transform, Eigenvectors, Spectral Analysis.
can measure the complexity of the spectral component by defining a total variation (TVg)of a spectral component vk as follows, Total variation of a graph spectral component vk where, and Using this total variation, we can say that graph frequency λm ​​​ is larger than graph frequency ​​ λl ​​​ if