Towards Realistic Visualization for Surgery Rehearsal

A method for free-form cutting in tomographic volume data is presented. As a basic data structure, the generalized voxel model is chosen. Removed regions are indicated using attributes. Tools like a “rasp” or a “knife” are presented. Methods for detection and visualization of cut surfaces, both for mapping of original gray values and of color labels for the segmented objects, are discussed. It is claimed that the possibilities of the described method are exceeding those of any surface-based approach.

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