Patent · US Expired

Method and device for volumetric image reconstruction

US7340028B2 · kind B2 · utility

1Cited by

3References

20Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Michael Grass · Hanstedt, DE
Robert Manzke · Bönebüttel, DE
Thomas Kohler · Neuenstadt am Kocher, DE

Key dates

Filing date	Feb 10, 2004
Grant date	Mar 4, 2008
Priority date	—
Expiry date	Sep 10, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S378/901
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The reconstruction of computer tomography data is very often based on a parallel rebinning step of the projection data prior to the filtered back projection. In case of cardiac reconstruction, a gating technique is applied to select appropriate projections for a time-dependent image reconstruction. Usually, the gating window is a function of the fan-beam/cone-beam projection only. According to the present invention, a function corresponding to the location on the detector surface, where the respective projection was detected is used to further verify whether the respective projection is truly within the selected gating window or not.

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