Signal recognition: fourier transform vs. Cosine transform

Authors:
L. Gelman;M. Sanderson;C. Thompson
Affiliations:
Department of Process and Systems Engineering, Cranfield University, Cranfield MK 43 OAL, UK;Department of Process and Systems Engineering, Cranfield University, Cranfield MK 43 OAL, UK;Department of Process and Systems Engineering, Cranfield University, Cranfield MK 43 OAL, UK
Venue:
Pattern Recognition Letters
Year:
2003

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Abstract

A new feature representation approach, the simultaneous usage of the real and imaginary Fourier components with taking into account the covariance between these components, was compared with the Cosine transform approach for Gaussian recognition.