1. A method for segmentation of 3D image data of a 3D image, the method comprising: determining local features for a first view of the 3D image; determining local features for a second view of the 3D image; determining local feature correspondences between the determined local features of the first view and the second view of the 3D image; and segmenting the 3D image data into a plurality of depth regions based on the determined local feature correspondences and a depth map of the 3D image.