Flow visualization for qualitative assessment of brain shift

Lyubomir Zagorchev; Ardeshir Goshtasby; Martin Satter

doi:10.1117/12.649900

13 March 2006 Flow visualization for qualitative assessment of brain shift

Lyubomir Zagorchev, Ardeshir Goshtasby, Martin Satter

Proceedings Volume 6141, Medical Imaging 2006: Visualization, Image-Guided Procedures, and Display; 614127 (2006) https://doi.org/10.1117/12.649900
Event: Medical Imaging, 2006, San Diego, California, United States

Abstract

A method for detection, quantification, and visualization of brain shift in serial MR and CT images is presented. The method consists of three steps. It first establishes correspondence between a number of point landmarks in the images. It then uses the correspondences to determine a transformation function that warps one image to the geometry of the other. It finally uses the obtained transformation to create a vector flow that represents the local motion or deformation of one image with respect to the other. The method does not require the solution of a system of equations and, therefore, is especially effective when a large number of correspondences is needed to represent complex brain deformations.

Citation Download Citation

Lyubomir Zagorchev, Ardeshir Goshtasby, and Martin Satter "Flow visualization for qualitative assessment of brain shift", Proc. SPIE 6141, Medical Imaging 2006: Visualization, Image-Guided Procedures, and Display, 614127 (13 March 2006); https://doi.org/10.1117/12.649900

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