Method and device for segmenting medical image data

Details Method and device for segmenting medical image data Method and device for segmenting medical image data

G - Physics

06

T

G06T 5/00 (2006.01) A61B 5/055 (2006.01) A61B 6/03 (2006.01) A61B 8/13 (2006.01) G06T 7/60 (2006.01)

Patent

CA 2719885

The present invention relates to a method and device for automatical segmentation of medical images of a non-planar surface (4) of an object (1), in particular of a heart valve, comprising the following steps: Detecting a surface boundary (2) which delimits the non-planar surface (4) of the object (1), creating a model surface (5a), which is spanned between the surface boundary (2), correcting the model surface (5a) by means of distance information (8) containing information about the distance between the model surface (5a) and the non-planar surface (4) of the object (1), until a corrected model surface (5b) is generated, and depicting the corrected model surface (5b). The correction of the model surface (5a) is preferably carried out by means of three- or four- dimensional image data sets, by orienting the three-dimensional volume-rendering of the object (1) essentially perpendicular to the model surface (5a), so that the information about the distance between the model surface (5a) and the non- planar surface (4) of the object (1) can be evaluated, until the corrected model surface (5b) has been produced.

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