关键词: 图像分割, 水平集方法, C-V模型, 局部区域信息

Abstract: Because medical image has the characteristic of intensity inhomogeneity，this paper presents a novel level set based on the simplified Mumford-Shah model for image segmentation proposed by Chan-Vese.Local region information is crucial for accurate segmentation of images with intensity inhomogeneity，however，the traditional level set method don’t utilize it.This paper proposes a novel level set medical image segmentation base on local region information.This mothed costs less，and the experimental result verifies the effectives and robustness of this segmentation method.

Key words: image segmentation, level set method, C-V model, local region information