吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (4): 1324-1328.doi: 10.13229/j.cnki.jdxbgxb201504043

• • 上一篇    下一篇

基于随机置乱的内容感知图像缩放算法

赵旦峰, 王博, 杨大伟   

  1. 哈尔滨工程大学 信息与通信工程学院,哈尔滨 150001
  • 收稿日期:2013-12-16 出版日期:2015-07-01 发布日期:2015-07-01
  • 作者简介:赵旦峰(1961-),男,教授,博士生导师.研究方向:通信信号处理.E-mail:zhaodanfeng@hrbeu.edu.cn
  • 基金资助:
    黑龙江省科技攻关计划项目(GC12A305); 中央高校基本科研业务费专项项目(HEUCF150814)

Content-aware image resizing based on random permutation

ZHAO Dan-feng, WANG Bo, YANG Da-wei   

  1. College of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China
  • Received:2013-12-16 Online:2015-07-01 Published:2015-07-01

摘要: 针对非等比例缩放算法中线裁剪技术动态规划的复杂性,提出基于随机置乱的内容感知图像缩放算法。该算法利用视觉显著图随机重置能量序列的方式,使得在保护主体区域不被破坏的情况下,避免过度删除非重要区域所造成的图像局部失真。仿真结果表明,与线裁剪算法相比,本文算法在有效保护图像内容的同时,显著提高缩放速度,并能避免图像失真。

关键词: 信息处理技术, 视觉显著图, 内容感知, 随机置乱, 图像缩放

Abstract: A novel content-aware image resizing mechanism based random permutation was proposed for the dynamic programming in seam carving algorithm. The proposed algorithm exploits visual saliency to get a random scrambled energy vector, which is extracted uniform to protect important image content. This algorithm can efficiently avoid the local distortion caused by excessive deleting non-important area. The simulation results show that the proposed algorithm gets a better visual effect. Compared with the seam carving algorithm, the proposed algorithm not only effectively protects the important image content, but also increases the speed for image resizing and avoid image distortion.

Key words: information processing, visual saliency, content-aware, random permutation, image resizing

中图分类号: 

  • TN911.73
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