Ms. Brianna L. Lepore Profile

Brianna L. Lepore

at Bucknell Univ

SPIE Involvement:

Author

Publications (1)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 1 March 2019 Paper

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

Trevor Vent, Brianna Lepore, Andrew D. Maidment

Proceedings Volume 10948, 109480K (2019) https://doi.org/10.1117/12.2511990

KEYWORDS: Modulation transfer functions, 3D acquisition, Digital breast tomosynthesis, Contrast transfer function, Prototyping, Image quality, 3D image processing, Spatial resolution, Image restoration

Read Abstract +

A next generation tomosynthesis (NGT) prototype was designed to investigate alternative scanning geometries for digital breast tomosynthesis (DBT). The NGT system uses a 2D plane as an address space for the x-ray source, and onedimensional linear detector motion to determine an acquisition geometry. This design provides myriad acquisition geometries for investigation. This system is also capable of magnification DBT. We performed image quality measurements to evaluate performance of the NGT system for both contact and magnification imaging in 2D and 3D. The modulation transfer function (MTF) was computed using the slanted-edge method to evaluate spatial resolution. The first zero of the MTF was observed to increase by a factor of the magnification. In-plane spatial resolution performance for 3D was measured using an in-house metric, and was found to be commensurate to the MTF. This metric uses a star pattern as an input object to produce the contrast transfer function (CTF). The 2D noise power spectra (NPS) were calculated to evaluate the degradation of image quality due to noise. 3D NPS were also calculated for various 3D image reconstructions. 3D renditions of the NPS show how the NGT can sample a broader range of frequencies in the Fourier domain than conventional DBT. The system’s lag was measured and found not to affect 3D image reconstructions significantly. A wax calcification phantom was constructed and imaged using the NGT system. The performance of this system has been evaluated and the results suggest that image quality is sufficient for clinical investigation.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years