A Nonlinear Adaptive Level Set for Image Segmentation

被引:83
|
作者
Wang, Bin [1 ]
Gao, Xinbo [1 ]
Tao, Dacheng [2 ]
Li, Xuelong [3 ]
机构
[1] Xidian Univ, Sch Elect Engn, Xian 710071, Shaanxi, Peoples R China
[2] Univ Technol, Ctr Quantum Computat & Intelligent Syst, Sydney, Ultimo 2007, Australia
[3] Chinese Acad Sci, Xian Inst Opt & Precis Mech, Ctr Opt IMagery Anal & Learning OPTIMAL, State Key Lab Transient Opt & Photon, Xian 710119, NSW, Peoples R China
基金
中国国家自然科学基金;
关键词
Active contour; Bayesian criterion; finite difference; image segmentation; level set; partial differential equation; ACTIVE CONTOURS; EVOLUTION; MUMFORD; MODEL;
D O I
10.1109/TCYB.2013.2256891
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we present a novel level set method (LSM) for image segmentation. By utilizing the Bayesian rule, we design a nonlinear adaptive velocity and a probability-weighted stopping force to implement a robust segmentation for objects with weak boundaries. The proposed method is featured by the following three properties: 1) it automatically determines the curve to shrink or expand by utilizing the Bayesian rule to involve the regional features of images; 2) it drives the curve evolve with an appropriate speed to avoid the leakage at weak boundaries; and 3) it reduces the influence of false boundaries, i.e., edges far away from objects of interest. We applied the proposed segmentation method to artificial images, medical images and the BSD-300 image dataset for qualitative and quantitative evaluations. The comparison results show the proposed method performs competitively, compared with the LSM and its representative variants.
引用
收藏
页码:418 / 428
页数:11
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