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Determination of a mean sound velocity in the female breast for artifact reduction in Full Angle Spatial Compounding

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6 Author(s)
Hansen, C. ; Dept. of Electr. Eng. & Inf. Technol., Ruhr-Univ. Bochum, Bochum, Germany ; Huttebrauker, N. ; Ermert, Helmut ; Hollenhorst, M.
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In Full Angle Spatial Compounding (FASC) single ultrasound images from aspect angles all around an object are incoherently superimposed to achieve a higher image quality. To apply FASC to breast imaging, we developed an add-on system to a conventional ultrasound echo scanner. With this system also the distribution of Speed of Sound (SoS) inside the breast can be reconstructed using a reflector behind the breast. Next to diagnostics, SoS-images are used to geometrically correct FASC-images and avoid artifacts. However, since attenuation in the breast and reflections at its boundary are high, the detection of the reflector and the SoS-reconstruction may fail. To still correct FASC-images, we developed an image based method to compute a mean SoS for the breast on the basis of a typical double-line artifact in the FASC-image.

Published in:

Ultrasonics Symposium (IUS), 2009 IEEE International

Date of Conference:

20-23 Sept. 2009