software

The software is aimed at reconstruction of sound-speed volumes from ultrasound radiofrequency signals acquired using a 3D ultrasound computer tomography (USCT) system. In contrast to 2D USCT systems, a 3D system can provide an isotropic spatial resolution in the x- y- and z-directions in reconstructed 3D images of ultrasound parameters. Several challenges are however to be addressed for 3D systems, namely a sparse transducer distribution, low signal-to-noise ratio and higher computational complexity. These issues are addressed in terms of sound-speed image reconstruction, using edge-preserving regularized algebraic reconstruction in combination with synthetic aperture focusing.

breast cancer diagnosis, ultrasound, transmission tomography, ultrasound speed, algebraic reconstruction, regularization, synthetic aperture focusing

1. 1. 2011

ÚBMI FEKT VUT Brno

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http://www.dbme.feec.vutbr.cz/~jirik/usct