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一种基于网格变形的图像放缩方法 被引量：10

A Content-Aware Image Retargeting Method Based on Mesh Deformation
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摘要 基于内容的图像放缩的关键是如何保持图像中重要的内容,同时最小化整幅图像的视觉变形.文中将图像放缩问题转化成网格变形问题,提出一种改进的基于内容的图像放缩方法.首先在网格上建立保持整体形状的能量函数,结合约束条件,通过求解凸二次规划问题得到变形后的网格坐标,最终实现图像的放缩.实验结果表明,该方法不仅能够保持图像中重要的内容和特征结构,而且较好地保持了图像的整体性,使得图像视觉变形较小. The most challenging issue for content-aware image retargeting is how to preserve the important content and minimize the visual distortions on the image structures. In this paper, we present an improved method for content-aware image resizing by leveraging a global optimization process. We reformulate the problem of image retargeting to a mesh deformation task and build a global shape preserving energy function on the grid. By solving a convex quadratic program with constraints, the deformed mesh coordinates are obtained, yielding the final retargeting image. Experimental results demonstrate that this approach feature structures, but also preserves the global image not only preserves the important content and configuration with low visual distortion.
作者 崔普明 刘秀平 王小超 李淑华
机构地区 大连理工大学数学科学学院
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2013年第6期788-793,共6页 Journal of Computer-Aided Design & Computer Graphics
基金 国家自然科学基金重点项目(U0935004) 国家自然科学基金(61173102)
关键词 图像放缩 显著性度量 整体结构 网格变形 image retargeting saliency measure global configuration mesh deformation
分类号 TP391.41 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献13

  • 1Avidan S, Shamir A. Seam carving for content-aware image resizing[J]. ACM Transactions on Graphics, 2007, 26 ( 3) : Article No. 10.
  • 2Rubinstein M, Shamir A, Avidan S. Improved seam carving for video retargeting[J]. ACM Transactions on Graphics, 2008, 27(3): Article No. 16.
  • 3Cho S, Choi H, Matsushita Y, et al . Image retargeting using importance diffusion[CJ I/Proceedings of the 16th International Conference on Image Processing. Los Alamitos: IEEE Computer Society Press, 2009: 977-980.
  • 4Wang Y S, Tai C L, Sorkine 0, et al . Optimized scale-and- stretch for image resizing[J]. ACM Transactions on Graphics, 2008, 27(5): Article No.ll8.
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  • 8时健 郭延文 杜振龙等.一种基于网格参数化的图像适应方法.软件学报,2008,19(1):19-30.
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二级参考文献19

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共引文献5

同被引文献80

  • 1Avidan S,Shamir A.Seam carving for content aware image resizing [J].ACM Transactions on Graphics,2007,26(3)Article No.10.
  • 2Rubinstein M,Shamir A,Avidan S.Improved seam carving for video retargeting [J].ACM Transactions on Graphics,2008,27(3):Article No.16.
  • 3Chen J H,Miao L F,Liu X G.Image re-targeting with balanced energy map and foreground constraint [J].World Wide Web,2011,14(3):281-292.
  • 4Du H,Liu Z,Jiang J L,et al.Stretchability-aware block sealing for image retargeting [J].Journal of Visual Communication and Image Representation,2013,24(4):499-508.
  • 5Zhang L X,Song H Z,Ou Z M,etal.Image retargeting with multifoeus fisheye transformation [J].The Visual Computer:International Journal of Computer Graphics,2013,29(5):407-420.
  • 6Liang Y,Su Z,Wang C T,et al.Optimised image retargeting using aesthetic based cropping and scaling [J].IET Image Processing,2013,7(1):61-69.
  • 7Rubinstein M,Shamir A,Avidan S.Multi-operator media retargeting [J].ACM Transactions on Graphics,2009,28(3):Article No.23.
  • 8Subramanian S,Kumar K,Mishra B P,et al.Fuzzy logic based content protection for image resizing by seam carving [C]//Proceedings of IEEE Conference on Soft Computing in Industrial Applications.Los AlamRos IEEE Computer Society Press,2008:78-83.
  • 9Rubinstein M,Gutierrez D,Sorkine-Homung O,et al.RetargetMe A benchmark for image relargeting [OL].[2013-06-25].http://people.csail.mit.edu/mrub/retargetme.
  • 10Achanta R,Hemami S,Estrada F,et al.Frequency-tuned salient region detection [C]//Proceedings of IEEE Conference on Computer Vision and Pattern Recognition.Los Alamitos:IgEEComputer Society Press,2009:1597-1604.

引证文献10

二级引证文献18

计算机辅助设计与图形学学报
2013年 第6期

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