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High resolution imaging of generalized K-distribution parameters using maximum likelihood estimation for ultrasonic diagnosis of muscle after back surgery

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4 Author(s)
Pesavento, A. ; Dept. of Electr. Eng., Ruhr-Univ., Bochum, Germany ; Ermert, H. ; Brol Zeitvogel, E. ; Grifka, J.

An ultrasonic imaging system is presented for diagnostics of post discotomic scarring. The system images parameters derived from a Maximum Likelihood Estimation of generalized K-distribution parameters. This approach is capable to discriminate between Rayleigh-, structural- and Pre-Rayleigh scattering. The system uses multidirectional echo data of the same cross-sectional plane, obtained by a 5 MHz sector scanner that is linearly moved over the human back. This leads to a resolution of the parameter images of approximately 1 mm×1 mm

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Ultrasonics Symposium, 1998. Proceedings., 1998 IEEE  (Volume:2 )

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