新颖的差值扩展可逆数据隐藏算法

罗剑高; 韩国强; 沃焱

doi:10.11959/j.issn.1000-436x.2016030

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新颖的差值扩展可逆数据隐藏算法

学术论文 | 更新时间：2024-06-05

- 新颖的差值扩展可逆数据隐藏算法
- Novel reversible data hiding based on difference expansion
- 通信学报 2016年37卷第2期页码：54-63
- 作者机构：
  
  1. 广东农工商职业技术学院计算机系，广东广州 510507
  2. 华南理工大学计算机科学与工程学院，广东广州 510006
- 作者简介：
  
  [ "罗剑高（1971），男，江西金溪人，博士，广东农工商职业技术学院副教授，主要研究方向为图像处理、数字水印、信息安全等。" ]
  [ "韩国强（1962），男，江西临川人，博士，华南理工大学教授、博士生导师，主要研究方向为图像处理、多媒体技术等。" ]
  [ "沃焱（1975），女，云南昆明人，博士，华南理工大学教授，主要研究方向为图像处理、数字水印、信息安全等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61472145);国家自然科学基金广东省联合基金资助项目(U1035004)
- DOI：10.11959/j.issn.1000-436x.2016030
  中图分类号： TP391
- 网络出版日期：2016-02，
  
  纸质出版日期：2016-02-15
- 稿件说明：
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罗剑高, 韩国强, 沃焱. 新颖的差值扩展可逆数据隐藏算法[J]. 通信学报, 2016,37(2):54-63.

Jian-gao LUO, Guo-qiang HAN, Yan WO. Novel reversible data hiding based on difference expansion[J]. Journal on communications, 2016, 37(2): 54-63.
罗剑高, 韩国强, 沃焱. 新颖的差值扩展可逆数据隐藏算法[J]. 通信学报, 2016,37(2):54-63. DOI： 10.11959/j.issn.1000-436x.2016030.

Jian-gao LUO, Guo-qiang HAN, Yan WO. Novel reversible data hiding based on difference expansion[J]. Journal on communications, 2016, 37(2): 54-63. DOI： 10.11959/j.issn.1000-436x.2016030.

摘要

提出一种变换方向自适应的差值扩展可逆数据隐藏算法(ACD)，ACD通过扩展像素对的差值嵌入数据。像素对中一为参照像素，另一为变换像素，ACD根据像素对所处区域类型的估测，自适应选择变换像素，暗区选大值像素，亮区选小值像素，否则选默认方向像素。理论分析及实验结果表明，ACD解决了预测误差扩展可逆数据隐藏算法(PEE)在暗或亮载体时灰度溢出急剧增加的问题，与采用现有灰度溢出解决方案的PEE相比，改善了载体普适性，性能更稳定。

Abstract

A novel reversible data hiding algorithm based on difference expansion called ACD was proposed

which used the so-called adaptive change direction technology. ACD embeds data by expanding the differences of neighboring pixel values. In a pair of pixels

a pixel was for reference and the other was for transform. ACD first estimates the type of the pixels area

then chooses transform pixels by the type that it chooses the large value pixel in dark areas and the small value pixel in bright areas

or else selects the pixels by default direction. Theoretical analysis and experimental results show that ACD solves the problem of gray overflow increased dramatically in the reversible data hiding based on prediction error expansion (PEE)when the carrier is very dark or bright. Compared with the PEE with the existing gray overflow solution

ACD is suitable for wider types of carrier and has more stable performance.

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Keywords

references

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