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Angiographic Examination for a Vascular System in a Body Region of Interest of a Patient
专利权人:
Yiannis Kyriakou
发明人:
Yiannis Kyriakou
申请号:
US14606381
公开号:
US20150213600A1
申请日:
2015.01.27
申请国别(地区):
US
年份:
2015
代理人:
摘要:
The embodiments relate to an angiographic examination method for generating a 2D projection image. The method includes: (1) acquiring a volume dataset, (2) reconstructing a 3D volume from the volume dataset, (3) forward-projecting for generating a virtual vessel projection, (4) deriving a binary vessel mask, (5) acquiring at least one current 2D projection image, (6) combining the binary vessel mask with the at least one current 2D projection image to form a current mask, (7) thresholding the current mask to form a current binary mask, (8) back-projecting the current binary mask into the 3D volume to form a mask volume, (9) threshold value segmenting the mask volume in order to generate a final virtual vessel volume, and (10) subtracting a projection of the vessel volume from the current 2D projection images to generate a selective, overlay-free visualization of the body region of interest by selectable parameters.
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