Image-based material decomposition

US7298812B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• J. Eric Tkaczyk · Delanson, US
• William Macomber Leue · Albany, US
• Walter Irving Garms · Palo Alto, US
• Joseph Bendahan · San Jose, US
• Deborah Walter · Burnt Hills, US
• Sussan Pourjavid-Granfors · Sunnyvale, US
• Xiaoye Wu · Rexford, US
• Peter Michael Edic · Albany, US
• Pierfrancesco Landolfi · Palo Alto, US

Key dates

• Filing date: Mar 31, 2006
• Grant date: Nov 20, 2007
• Expiry date: Mar 31, 2026

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B6/027
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A CT scanner acquires CT images at different energy levels and registers those images to provide a composite image that is substantially free of beam hardening artifacts and conspicuously provides atomic information of that imaged.