Deconvolution of In Vivo Ultrasound B-Mode Images
Publication: Research - peer-review › Journal article – Annual report year: 1993
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Deconvolution of In Vivo Ultrasound B-Mode Images. / Jensen, Jørgen Arendt; Stage, Bjarne; Mathorne, Jan; Gravesen, Torben.
In: Ultrasonic Imaging, Vol. 15, No. 2, 1993, p. 122-133.Publication: Research - peer-review › Journal article – Annual report year: 1993
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TY - JOUR
T1 - Deconvolution of In Vivo Ultrasound B-Mode Images
A1 - Jensen,Jørgen Arendt
A1 - Stage,Bjarne
A1 - Mathorne,Jan
A1 - Gravesen,Torben
AU - Jensen,Jørgen Arendt
AU - Stage,Bjarne
AU - Mathorne,Jan
AU - Gravesen,Torben
PB - Dynamedia, Inc.
PY - 1993
Y1 - 1993
N2 - An algorithm for deconvolution of medical ultrasound images is presented. The procedure involves estimation of the basic one-dimensional ultrasound pulse, determining the ratio of the covariance of the noise to the covariance of the reflection signal, and finally deconvolution of the rf signal from the transducer. Using pulse and covariance estimators makes the approach self-calibrating, as all parameters for the procedure are estimated from the patient under investigation. An example of use on a clinical, in-vivo image is given. A 2 × 2 cm region of the portal vein in a liver is deconvolved. An increase in axial resolution by a factor of 2.4 is obtained. The procedure can also be applied to whole images, when it is ensured that the rf signal is properly measured. A method for doing that is outlined.
AB - An algorithm for deconvolution of medical ultrasound images is presented. The procedure involves estimation of the basic one-dimensional ultrasound pulse, determining the ratio of the covariance of the noise to the covariance of the reflection signal, and finally deconvolution of the rf signal from the transducer. Using pulse and covariance estimators makes the approach self-calibrating, as all parameters for the procedure are estimated from the patient under investigation. An example of use on a clinical, in-vivo image is given. A 2 × 2 cm region of the portal vein in a liver is deconvolved. An increase in axial resolution by a factor of 2.4 is obtained. The procedure can also be applied to whole images, when it is ensured that the rf signal is properly measured. A method for doing that is outlined.
KW - Signal processing
KW - Estimation
KW - Deconvolution
KW - Image improvement
U2 - 10.1006/uimg.1993.1010
DO - 10.1006/uimg.1993.1010
JO - Ultrasonic Imaging
JF - Ultrasonic Imaging
SN - 0161-7346
IS - 2
VL - 15
SP - 122
EP - 133
ER -