Patent · US Active

Method and apparatus for the artifact-reduced detection of a 3D object in tomographic imaging

US8175361B2 · kind B2 · utility

2Cited by

1References

18Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Holger Kunze · Bubenreuth, DE
Karl Stierstorfer · Erlangen, DE

Key dates

Filing date	Feb 11, 2008
Grant date	May 8, 2012
Priority date	—
Expiry date	Feb 6, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06T2211/432
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

In order to regularize a reconstruction method associated with computed tomography (CT), in at least one example embodiment, information relating to the statistics of the attenuation values of the reconstructed object is also included in the form of the logarithmic probability function of the attenuation values. This information can be obtained from the regions of those image parts which are still completely contained in a scanning field of view (SFOV), but nevertheless lie in the vicinity of the region where the object leaves the SFOV. Furthermore, the information may be used in an algebraic reconstruction method by adding a boundary condition term to the cost function to be minimized.

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