Method of, and apparatus for, segmentation of structures in medical images

An apparatus for segmentation of medical image data comprises a data processing unit for obtaining a first set of image data and a second set of image data, wherein a structure is represented in both the first set of image data and the second set of image data, a classification unit configured to determine a classification of a first type of feature from the first set of image data and to determine a classification of a second type of feature from the second set of image data, and a segmentation unit configured to identify image data representing the structure in dependence on both the classification of the first type of feature from the first set of image data and the classification of the second type of feature from the second set of image data.