Role of Active Contour in Image Processing

With the growing research on image segmentation, it has become important to provide readers with an overview of the existing segmentation techniques. The active contour is one of the most successful models in image segmentation. Active contours are used extensively in computer vision and digital image processing to locate object boundaries. It consists of evolving a contour in images toward the boundaries of objects. Its success is based on strong mathematical properties and efficient numerical schemes based on the level set method. In this paper, we review and classify active contour models in literature.