Methods and devices for locating object in CT imaging

US9058658B2 · kind B2 · utility

Assignees

• TSINGHUA UNIVERSITY · CN
• NUCTECH COMPANY LIMITED · CN

Inventors

• Liang Li · Beijing, CN
• Li Zhang · Beijing, CN
• Zhiqiang Chen · Beijing, CN
• Ziran Zhao · Beijing, CN
• Yuxiang Xing · Beijing, CN
• Yongshun Xiao · Beijing, CN
• Qingli Wang · Shanghai, CN

Key dates

• Filing date: Sep 25, 2013
• Grant date: Jun 16, 2015
• Expiry date: Dec 18, 2033

Classification

• Technology area (CPC G): Physics
• CPC primary: G16H40/63
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The present disclosure provides methods and devices for locating a plurality of interested objects in CT imaging. Location of the interested objects in the three-dimensional space can be determined by using three projection images that are substantially perpendicular to each other. The method can rapidly locate interested objects in a CT image without pre-reconstruction of the CT image even if there are a plurality of interested objects in the field of view. The algorithm does not involve interactive steps. The method is rapid and effective, and thus applicable to industrial applications.