The impact on lesion detection via a multi‐vendor study: A phantom‐based comparison of digital mammography, digital breast tomosynthesis, and synthetic …

L Vancoillie, L Cockmartin, N Marshall… - Medical …, 2021 - Wiley Online Library
Purpose The aim of this study is to perform a test object‐based comparison of the imaging
performance of digital mammography (DM), digital breast tomosynthesis (DBT), and …

Simulation and experimental validation of high-resolution test objects for evaluating a next-generation digital breast tomosynthesis prototype

TL Vent, B Barufaldi… - Medical Imaging 2019 …, 2019 - spiedigitallibrary.org
Star pattern test objects are used to evaluate the high-contrast performance of imaging
systems. These objects were used to investigate alternative scanning geometries for a …

Evaluating attenuation correction strategies in a dedicated, single-gantry breast PET-tomosynthesis scanner

S Krishnamoorthy, T Vent, B Barufaldi… - Physics in Medicine …, 2020 - iopscience.iop.org
We are developing a dedicated, combined breast positron emission tomography (PET)-
tomosynthesis scanner. Both the PET and digital breast tomosynthesis (DBT) scanners are …

Personalization of x-ray tube motion in digital breast tomosynthesis using virtual Defrise phantoms

RJ Acciavatti, B Barufaldi, TL Vent… - … 2019: Physics of …, 2019 - spiedigitallibrary.org
In digital breast tomosynthesis (DBT), projection images are acquired as the x-ray tube
rotates in the plane of the chest wall. We constructed a prototype next-generation …

Simulation of high-resolution test objects using non-isocentric acquisition geometries in next-generation digital tomosynthesis

TL Vent, B Barufaldi, RJ Acciavatti… - … Workshop on Breast …, 2020 - spiedigitallibrary.org
Digital breast tomosynthesis (DBT) systems utilize an isocentric acquisition geometry which
introduces imaging artifacts that are deleterious to image reconstructions. The next …

Geometric calibration for a next-generation digital breast tomosynthesis system using virtual line segments

CJ Choi, TL Vent, RJ Acciavatti… - Medical Imaging 2018 …, 2018 - spiedigitallibrary.org
Our next-generation tomosynthesis (NGT) system prototype introduces additional geometric
movements to conventional Digital Breast Tomosynthesis (DBT) acquisition geometries, to …

Analysis of digital breast tomosynthesis acquisition geometries in sampling Fourier space

CJ Choi, TL Vent, RJ Acciavatti… - Medical Imaging 2021 …, 2021 - spiedigitallibrary.org
Tomosynthesis acquires projections over a limited angular range and thus samples an
incomplete projection set of the object. For a given acquisition geometry, the extent of …

Line‐based iterative geometric calibration method for a tomosynthesis system

CJ Choi, TL Vent, RJ Acciavatti… - Medical …, 2024 - Wiley Online Library
Background A next generation tomosynthesis (NGT) system, capable of two‐dimensional
source motion, detector motion in the perpendicular direction, and magnification …

Evaluating the imaging performance of a next-generation digital breast tomosynthesis prototype

TL Vent, B Lepore… - Medical Imaging 2019 …, 2019 - spiedigitallibrary.org
A next generation tomosynthesis (NGT) prototype was designed to investigate alternative
scanning geometries for digital breast tomosynthesis (DBT). The NGT system uses a 2D …

[HTML][HTML] Spatial dependency of multiplanar reconstruction in digital breast tomosynthesis

CJ Choi, RJ Acciavatti… - Proceedings of SPIE--the …, 2023 - ncbi.nlm.nih.gov
Tomosynthesis acquires projections over a limited angular range, resulting in anisotropic
sampling in the Fourier domain. The volume of the sampled space is therefore spatially …