计算机科学 ›› 2014, Vol. 41 ›› Issue (Z6): 207-210.
孟红波,王昌明,包建东
MENG Hong-bo,WANG Chang-ming and BAO Jian-dong
摘要: 针对非同质或者弱边界图像分割时出现的问题,提出一种改进的活动轮廓模型。首先,由图像的区域统计信息定义了一个新的能量泛函。区域统计信息由局部信息和全局信息采用新的加权组合而成。其次,采用水平集方法最小化该能量泛函,得到水平集演化方程并不断更新。最后,采用高斯滤波方法规则化水平集方程。此外,该模型可以退化成一种无需初始化和规则化的简单的全局活动轮廓模型。合成图像和真实图像的实验结果表明:该模型能有效地分割非同质或弱边缘图像,对噪声并初始轮廓曲线具有较好的鲁棒性,并且计算效率高。
[1] Kass M,Witkin A,Terzopoulos D.Snakes:active contour models[J].International Journal of Computer Vision,1988,1(4):321-331 [2] Caselles V,Kimmel R,Sapiro G.Geodesic active contours[J].International Journal of Computer Vision,1997,22(1):61-79 [3] Li Chun-ming,Xu Chen-yang,Gui Chang-feng,et al.Level setformulation without Re-initialization:a new variational formulation[C]∥Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR).2005:430-436 [4] Chan T,Vese L.Active contours without edges[J].IEEETrans.Imag.Proc.,2001,10:266-277 [5] Li Chun-ming,Kao Chiu-yen,Gore J C,et al.Implicit active contours driven by local binary fitting energy[C]∥IEEE Conference on Computer Vision and Pattern Recognition.2007:17-22 [6] Li Chun-ming,Kao Chiu-yen,Gore J C,et al.Minimization of region-scalable fitting energy for image segmentation[J].IEEE Transactions on Image Processing,2008,17:1940-1949 [7] Zhang Kai-hua,Song Hui-hui,Zhang Lei.Active contours drivenby local image fitting energy[J].Pattern Recognition,2010,43:1199-1206 [8] Liu Shi-gang,Peng Ya-li.A local region-based Chan-Vese model for image segmentation[J].Pattern Recognition,2012,45:2769-2779 [9] 吴继明,朱学峰,熊建文,等.图像分割中局部能量驱动的快速主动轮廓模型[J].光电子· 激光,2010,21(1):140-143 [10] 杨名宇,丁欢,赵博,等.结合邻域信息的Chan-Vese模型图像分割[J].计算机辅助设计与图形学学报,2011,23(3):413-418 [11] Wang Li,He Lei,Mishra A,et al.Active contours driven by local Gaussian distribution fitting energy[J].Signal Processing,2009,89:2435-2447 [12] 任守纲,马超,徐焕良.基于改进主动轮廓模型的图像分割方法研究[J].计算机科学,2013,0(7):289-292,6 [13] 陈强,何传江.全局和局部拟合的活动轮廓模型[J].计算机工程与应用,2011,47(11):204-206 [14] Wang Li,Li Chun-ming,Sun Quan-sen,et al.Active contoursdriven by local and global intensity fitting energy with application to brain MR image segmentation[J].Computerized Medical Imaging and Graphics,2009,33(7):520-531 [15] Wang Xiao-feng,Huang De-shuang,Xu Huan.An efficient local Chan-Vese model for image segmentation[J].Pattern Recognition,2010,43:603-618 [16] Evans L.Partial Differential Equations[M].Providence:American Mathematical Society,1998 |
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