Directional gradient vector flow for snakes

• Main Authors: Krishnan, Shankar M., Cheng, Jierong, Foo, Say Wei
• Other Authors: IEEE International Symposium on Signal Processing and Information Technology (4th : 2004 : Rome, Italy)
• Format: Conference or Workshop Item
• Language: English
• Published: 2009
• Online Access: https://hdl.handle.net/10356/91602; http://hdl.handle.net/10220/4629
• Institution: Nanyang Technological University

Snakes, or active contour models, have been widely used in image segmentation. However, most present snake models cannot discern between positive and negative step edges. In this paper, a new type of dynamic external force for snakes named directional gradient vector flow (DGVF) is proposed to solve...