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3D X-ray imaging of coronary vessels with ECG gating and motion correction
专利权人:
Günter Lauritsch
发明人:
Günter Lauritsch,Christopher Rohkohl
申请号:
US13152367
公开号:
US09013471B2
申请日:
2011.06.03
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A method for three-dimensional visualization of a moving structure by a rotation angiography method is described. A series of projection images is recorded by an image acquisition unit from different recording angles during a rotation cycle. A three-dimensional image data can be reconstructed from the projection images. A continuous rotation cycle is proposed to be performed with simultaneous recording of at least one ECG. A three-dimensional reconstructed reference image is generated through a first correction of the motion of the moving structure by affine transformations. A three-dimensional image data of the moving structure is reconstructed from the data acquired in the continuous rotation cycle when using the reconstructed reference image while performing an estimation and correction of the motion by elastic deformations.
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