Segmentation of External Force Field for Automatic Initialization and Splitting of Snakes

An example:

The dashed cyan contours are the boundaries of the capture ranges obtained by segmenting the external force field, and are used as the initial snakes.

Reference:

Chunming Li, Jundong Liu, and Martin D. Fox, “Segmentation of Edge Preserving Gradient Vector Flow: An Approach Toward Automatic Initialization and Splitting of Snakes”, IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), San Diego, 2005.