Image Fusion of Reconstructed Digital Tomosynthesis Volumes From a Frontal and a Lateral Acquisition
Journal article, 2016

Digital tomosynthesis (DTS) has been used in chest imaging as a low radiation dose alternative to computed tomography (CT). Traditional DTS shows limitations in the spatial resolution in the out-of-plane dimension. As a first indication of whether a dual-plane dual-view (DPDV) DTS data acquisition can yield a fair resolution in all three spatial dimensions, a manual registration between a frontal and a lateral image volume was performed. An anthropomorphic chest phantom was scanned frontally and laterally using a linear DTS acquisition, at 120 kVp. The reconstructed image volumes were resampled and manually co-registered. Expert radiologist delineations of the mediastinal soft tissues enabled calculation of similarity metrics in regard to delineations in a reference CT volume. The fused volume produced the highest total overlap, implying that the fused volume was a more isotropic 3D representation of the examined object than the traditional chest DTS volumes.

Author

Jonathan Arvidsson

University of Gothenburg

Christina Söderman

University of Gothenburg

Åse (Allansdotter) Johnsson

Sahlgrenska University Hospital

Peter Bernhardt

University of Gothenburg

Göran Starck

University of Gothenburg

Fredrik Kahl

Chalmers, Signals and Systems, Signalbehandling och medicinsk teknik, Imaging and Image Analysis

Magnus Båth

University of Gothenburg

Radiation protection dosimetry

1742-3406 (eISSN)

Vol. 169 1-4 410-415

Subject Categories

Radiology, Nuclear Medicine and Medical Imaging

DOI

10.1093/rpd/ncv507

PubMed

26683464

More information

Latest update

4/17/2018