Flexible image registration for rotational angiography

Details Flexible image registration for rotational angiography Flexible image registration for rotational angiography

1995-06-30

1997-11-25

Lateef, Marvin M.

Surgery

Truss

Pad

382130, 36441314, 36441319, 36441323, 128654, A61B 600

Patent

active

056901062

ABSTRACT:
A digital subtraction angiography method useful for processing a mask and contrast series of two dimensional (2D) images acquired by rotational imaging of a selected volume of a body. The method reduces image artifacts caused by misregistration, and is unique in that for registration purposes it treats the acquired 2D images as a volume. The individual 2D images are stacked in a sequence so as to have the dimensions x, y and .theta.. A flexible volume registration is then performed to bring the mask and contrast volumes into a close match prior to subtraction.

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