Distance correlation

• Székely, Gábor J., Maria L. Rizzo, and Nail K. Bakirov. "Measuring and testing dependence by correlation of distances." The annals of statistics 35.6 (2007): 2769-2794.

• Székely, Gábor J., and Maria L. Rizzo. "Brownian distance covariance." The annals of applied statistics (2009): 1236-1265.

• Dueck, Johannes, et al. "The affinely invariant distance correlation." Bernoulli 20.4 (2014): 2305-2330.

Fourier analysis

Filter

• 2D Fourier Filtering http://fourier.eng.hmc.edu/e101/lectures/Fourier_Analysis/node10.html

Bispectral analysis

• An introduction to bispectral analysis for the electroencephalogram https://link.springer.com/article/10.1007/BF01618421

Neural network

MADE site

Connectivity