In order to overcome the difficulties caused by intensities in-homogeneity and improve the speed of image segmentation,we propose a novel active contour model in which the curve evolution is driven by the statistical information around the curve,and the curve is forced to march toward the boundary under the alignment term.In our model,the data fitting term,which is constructed by the local information between the curve and mask,is incorporated into a variational level set formulation to be solved.Experiment...