Patent · US Active

Artifact reduction

US7792347B2 · kind B2 · utility

5Cited by

7References

20Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Robert Manzke · Bönebüttel, DE
Michael Grass · Hanstedt, DE
Thomas Koehler · Norderstedt, DE

Key dates

Filing date	Jun 14, 2005
Grant date	Sep 7, 2010
Priority date	—
Expiry date	Jan 7, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG06T2211/412
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Minimizing the temporal width of the gating window during calculation of the gating function in cardiac CT may not result in best image quality with a maximum of signal-to-noise ratio and minimal artifacts. According to an exemplary embodiment of the present invention, the widths of the gating windows in cardiac CT are selected on the basis of a motion model describing the motion of the heart. According to an aspect of the present invention, the widths of the gating windows are determined by considering the duration of stationary cardiac phases. Thus, artifacts, such as motion artifacts or noise, are minimized.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.