Generalized correlation function: definition, properties, and application to blind equalization

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Correntropy: A Localized Similarity Measure (2006, methodology): “In fact for the Gaussian kernel all even moments of the random variable contribute to the estimation of similarity due to the nonlinearity provided by the kernel [6].”
Correntropy: Properties and Applications in Non-Gaussian Signal Processing (2007, methodology): “Finally, Section VI summarizes the main conclusions and future lines of research.”
Robust Principal Component Analysis Based on Maximum Correntropy Criterion (2011, methodology): “It is derived from the generalized correlation function of random processes and is directly related to the information potential (IP) of Renyi’s quadratic entropy [16] in which Parzen windowing method is used to estimate the data’s probability distribution [22].”
Maximum Correntropy Criterion for Robust Face Recognition (2011, methodology): “method is used to estimate the data distribution [39].”