Abstract: A method and a corresponding apparatus for determining a position in an image, in particular a medical image enables a reliable determination of positions of interest in images of a variety of structures by displaying a volume rendering of image data acquired from an object, in particular a patient, pointing at a structure of interest displayed in the volume rendering of the image data, generating a viewing ray profile comprising information characterizing a ray running through said structure of interest, selecting a contextual profile from various contextual profiles, each of said contextual profiles comprising a representative ray profile representing a viewing ray profile of a structure, in particular an anatomical structure, and comprising profile information, and determining a position within said structure of interest based on said profile information of said selected contextual profile in the case that the representative ray profile of said selected contextual profile is matching with at least a part o

Abstract: A method and a corresponding apparatus for volume rendering of medical data sets comprises a display (11) for displaying at least one slice view (12) of a medical data set (18) of an object, in particular a patient. A user selection unit (13, 14, 15) enables a user to select a position on a structure of interest (SOI) in the at least one displayed slice view (12), a volume rendering unit (16) for determines a volume rendering (17) of the structure of interest (SOI) based on one or more first parameters. The first parameters characterize the view of the displayed volume rendering (17, 31) of the structure of interest (SOI), the volume rendering (17, 31) of the structure of interest (SOI) being displayed on the display (11).