title: Non-convex polyhedral volume of interest selection.
abstract: We introduce a novel approach to specify and edit volumes of interest (VOI for short) interactively. Enhancing the capabilities of standard systems we provide tools to edit the VOI by defining a not necessarily convex polyhedral bounding object. We suggest to use low-level editing interactions for moving, inserting and deleting vertices, edges and faces of the polyhedron. The low-level operations can be used as building blocks for more complex higher order operations fitting the application demands. Flexible initialization allows the user to select within a few clicks convex VOI that in the classical clipping plane model need the specification of a large number of cutting planes. In our model it is similarly simple to select non-convex VOI. Boolean combinations allow to select non-connected VOI of arbitrary complexity. The polyhedral VOI selection technique enables the user to define VOI with complex boundary structure interactively, in an easy to comprehend and predictable manner.
authors: Computer Graphics Lab, ETH Zürich, Switzerland. raphael@inf.ethz.ch
authors: Raphael
authors: R
authors: Fuchs
authors: Volkmar
authors: V
authors: Welker
authors: Joachim
authors: J
authors: Hornegger
mesh_terms: D000465:Algorithms; D003952:Diagnostic Imaging; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D021621:Imaging, Three-Dimensional; D011857:Radiographic Image Interpretation, Computer-Assisted / Q000379:methods*; D014584:User-Computer Interface