NDLI: Two-dimensional Higher-order Spectrum Factorization With Application In Nongaussian Image Modeling

Content Provider	IEEE Xplore Digital Library
Author	Tekalp, A.M. Erdem, A.T.
Copyright Year	1989
Abstract	We address the problem of modeling a given 2-D higher-order spectrum as that of the output of a 2-D linear time-invariant system driven by a higher-order white random signaL This is posed as a higher-order spectrum factorization problem. We first discuss the existence and uniqueness of such a factorization. A fast algorithm for efficient implementation of the higher-order spectrum factorization is then proposed, When an exact factorization does not exist, this algorithm computes the transfer function of a linear time-invariant system that approximately models the given higher-order spectrum function. We present nonGaussian image modeling as an application.
Starting Page	186
Ending Page	190
File Size	378638
Page Count	5
File Format	PDF
DOI	10.1109/HOSA.1989.748761
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-06-28
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sufficient conditions Cepstral analysis Impedance matching Cepstrum Ear Signal processing White noise System identification Power system modeling Zinc
Content Type	Text
Resource Type	Article

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Two-dimensional Higher-order Spectrum Factorization With Application In Nongaussian Image Modeling