Title :
Dynamically sampled multivariate empirical mode decomposition
Author :
Rehman, N. ; Naveed, K. ; Safdar, M.W. ; Ehsan, S. ; McDonald-Maier, K.D.
Author_Institution :
Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan
Abstract :
A method for accurate multivariate local mean estimation in the multivariate empirical mode decomposition algorithm by using a statistical data-driven approach based on the Menger curvature measure and normal-to-anything variate-generation method is proposed. This is achieved by aligning the projection vectors in the direction of the maximum `activity´ of the input signal by considering the local curvature of the signal in multidimensional spaces, resulting in accurate mean estimation even for a very small number of projection vectors.
Keywords :
estimation theory; interpolation; signal sampling; Menger curvature measure; dynamically sampled multivariate empirical mode decomposition; multivariate local mean estimation; normal-to-anything variate generation method; statistical data;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2015.1176