METHOD AND APPARATUS FOR EDGE-BASED SEGMENTATION OF DATA

摘要

The invention relates to a method for the edge-based segmenting of data by determining an energy function E(v t) of a parametrically closed surface v t with respect to a closed object edge in the data using an inner energy function Eint(v t) dependent on the parametrically closed surface v t and a data-dependent energy function Eext(v t). By introducing an inflating force-based energy function for the total energy, which oscillates based on iteration, the convergence properties of the parametrically closed surface v t along the object edge are lastingly improved. At the same time, the data-dependent energy function Eext(v t) is expanded with respect to the closed edge in the data on the basis of the Yukawa potential. In this way, an adaptation of the active contour to the object edge is possible more quickly and more accurately compared to the existing active contour methods.