Automated and quantitative method for quality assurance of digital radiography imaging systems
US6409383B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Mar 14, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/583
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A phantom for use in measuring parameters in a digital radiography image system comprising a substantially rectangular member of an x-ray attenuating material; a first rectangular array of landmarks associated with the member for use in geometry measurements; a set of regions associated with the central position of the member for exposure linearity and accuracy measurement and a set of sharp angular edges part of one of the regions for modulation transfer function measurements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.