Patent · US Expired

Automated and quantitative method for quality assurance of digital radiography imaging systems

US6409383B1 · kind B1 · utility

26Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2000
Grant dateJun 25, 2002
Priority date
Expiry dateMar 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.