Abstract:

The Chan-Vese model is used to partition an image into two regions. However it has limitation for multi-region segmentation. To deal with the problem, two models can be used: parallel multiphase algorithm using multiple level sets simultaneously, and serial multiphase algorithm using level sets hierarchically. In this paper, a composite multiphase level sets algorithm for image segmentation based on the C-V model is proposed. The two kinds of multiphase algorithms are combined, allowing detection of more regions with a serial structure and having high efficiency for segmentation with a parallel structure. Experimental results show that the proposed algorithm can partition a given image into multiple regions and detect sub-objects with weak boundaries.

Key words: Chan-Vese model, multi-region segmentation, level set