Patent · US Active

Noise reduction in tomograms

US10282872B2 · kind B2 · utility

2Cited by

8References

13Claims

0Family size

Assignee

Siemens Healthcare Limited · DE

Inventors

Frank Dennerlein · Forchheim, DE
Matthias Goldammer · Birkenfeld, DE
Michael Schrapp · Munich, DE
Karsten Schoerner · Munich, DE
Juergen Stephan · Puchheim, DE

Key dates

Filing date	Mar 24, 2015
Grant date	May 7, 2019
Priority date	—
Expiry date	Jan 1, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG06T2207/20192
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method is provided for reducing noise in a tomogram and/or volume rendering of at least one object. The noise can occur when scattered radiation artifacts are corrected. At least one tomogram that is affected by scattered radiation and at least one preliminary tomogram that has been corrected by a defined correction method are produced from a plurality of projection image datasets that are affected by scattered radiation. The noise emerging when scattered radiation artifacts are corrected may be reduced by selectively smoothening the noise using a filter based on an edge contour of the at least one object, which contour is rendered in the tomogram that is affected by scattered radiation.

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