Implementations of graph signal processing techniques from "The emerging field of signal processing on graphs":
D. I. Shuman, S. K. Narang, P. Frossard, A. Ortega, and P. Vandergheynst,
“The emerging field of signal processing on graphs: Extending high-dimensional
data analysis to networks and other irregular domains,” IEEE Signal Processing
Magazine, vol. 30, no. 3, pp. 83–98, May 2013.