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  • 标题:SnakeCut: An Integrated Approach Based on Active Contour and GrabCut for Automatic Foreground Object Segmentation
  • 作者:Surya Prakash ; R. Abhilash ; Sukhendu Das
  • 期刊名称:ELCVIA: electronic letters on computer vision and image analysis
  • 印刷版ISSN:1577-5097
  • 出版年度:2007
  • 卷号:6
  • 期号:3
  • 页码:13-28
  • DOI:10.5565/rev/elcvia.139
  • 出版社:Centre de Visió per Computador
  • 摘要:Interactive techniques for extracting the foreground object from an image have been the interest of research in computer vision for a long time. This paper addresses the problem of an efficient, semi-interactive extraction of a foreground object from an image. Snake (also known as Active contour) and GrabCut are two popular techniques, extensively used for this task. Active contour is a deformable contour, which segments the object using boundary discontinuities by minimizing the energy function associated with the contour. GrabCut provides a convenient way to encode color features as segmentation cues to obtain foreground segmentation from local pixel similarities using modified iterated graph-cuts. This paper first presents a comparative study of these two segmentation techniques, and illustrates conditions under which either or both of them fail. We then propose a novel formulation for integrating these two complimentary techniques to obtain an automatic foreground object segmentation. We call our proposed integrated approach as ";SnakeCut";, which is based on a probabilistic framework. To validate our approach, we show results both on simulated and natural images.
  • 其他摘要:Interactive techniques for extracting the foreground object from an image have been the interest of research in computer vision for a long time. This paper addresses the problem of an efficient, semi-interactive extraction of a foreground object from an image. Snake (also known as Active contour) and GrabCut are two popular techniques, extensively used for this task. Active contour is a deformable contour, which segments the object using boundary discontinuities by minimizing the energy function associated with the contour. GrabCut provides a convenient way to encode color features as segmentation cues to obtain foreground segmentation from local pixel similarities using modified iterated graph-cuts. This paper first presents a comparative study of these two segmentation techniques, and illustrates conditions under which either or both of them fail. We then propose a novel formulation for integrating these two complimentary techniques to obtain an automatic foreground object segmentation. We call our proposed integrated approach as ";SnakeCut";, which is based on a probabilistic framework. To validate our approach, we show results both on simulated and natural images. keywords: Active Contour, Snake, Graph-cut, GrabCut
  • 关键词:Active Contour; Snake; Graph-cut; GrabCut
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