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Maximum likelihood estimation of the attenuated ultrasound pulse

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1 Author(s)
Rasmussen, K.B. ; Electron. Inst., Tech. Univ. Denmark, Lyngby, Denmark

The attenuated ultrasound pulse is divided into two parts: a stationary basic pulse and a nonstationary attenuation pulse. A standard ARMA model is used for the basic pulse, and a nonstandard ARMA model is derived for the attenuation pulse. The maximum likelihood estimator of the attenuated ultrasound pulse, which includes a maximum likelihood attenuation estimator, is derived. The results of this correspondence are of great importance for deconvolution and attenuation imaging in medical ultrasound

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Signal Processing, IEEE Transactions on  (Volume:42 ,  Issue: 1 )