1. A method for processing an object of interest in image data, the method comprising the steps of: drawing a contour on a pre-segmentation of an object; generating at least one seed point on the pre-segmentation from an intersection of the contour and the pre-segmentation; determining a weighting factor between the seed points and the pre-segmentation; and segmenting the pre-segmentation using the seed points and the weighting factor to generate a new pre-segmentation.