Contrast source inversion on experimental data
Initial results
Ulaş Taskin (Openwater, ImPhys/Medical Imaging)
Atsuro Suzuki (FUJIFILM Healthcare Corporation)
Takahide Terada (FUJIFILM Healthcare Corporation)
Yushi Tsubota (FUJIFILM Healthcare Corporation)
K. W.A. van Dongen (ImPhys/Medical Imaging, ImPhys/Computational Imaging)
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Abstract
Quantitative images showing the speed of sound proffle of the breast may be obtained by employing full-waveform inversion (FWI) methods on the measured data. These reconstruction methods work well for both dense and normal breasts. Contrast source inversion (CSI) is a frequency domain FWI method. In literature, many examples of successful application of CSI for breast imaging can be found. However, all these works are based on simulated data. In this work, we will present our first results obtained with employing CSI on experimental data. CSI was developed by Delft University of Technology and the experimental data was provided by FUJIFILM Healthcare Corporation. The experimental data is obtained using a ring-shaped transducer which scans a breast-mimicking gelatine phantom. Our initial results obtained with CSI look promising; all inclusions within the phantom are accurately reconstructed.