Patent · US Active

Method, computer program product and computer system for correcting a CT image

US11055884B2 · kind B2 · utility

0Cited by

0References

14Claims

0Family size

Assignee

RaySearch Laboratories AB · SE

Inventors

Sebastian Andersson · Stockholm, SE
Rasmus NILSSON · Stockholm, SE
Erik TRANEUS · Uppsala, SE

Key dates

Filing date	Oct 16, 2018
Grant date	Jul 6, 2021
Priority date	—
Expiry date	Oct 16, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG06T2211/424
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A method of correcting a first CT image for shading artefacts using another CT image as reference, comprising the steps of creating a difference image between the images and a correction map based on the difference image. The correction map is used to correct the first CT image. A method of converting a CT image to the value range of another CT image is also disclosed.

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