Regular Article
A New Method for Nonorthogonal Signal Decomposition

https://doi.org/10.1006/jvci.1994.1021Get rights and content

Abstract

A new algorithm for nonorthogonal decomposition is proposed and applied to Gabor decomposition of images. The algorithm is iterative and its advantages are discussed. Proof of the convergence of the algorithm is given. Also, a modified version of the algorithm is considered which increases the rate of convergence. Image simulations show that this method gives much lower reconstruction error than the method using biorthogonal functions, at the cost of a greater amount of computer time.

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