计算机科学 ›› 2025, Vol. 52 ›› Issue (6A): 240900030-8.doi: 10.11896/jsjkx.240900030

• 信息安全 • 上一篇    下一篇

基于像素区间划分及预测恢复的完全加密图像可逆信息隐藏

刘润军1, 肖凤军2, 胡伟通2, 王旭3   

  1. 1 浙江哈尔斯真空器皿股份有限公司 浙江 金华 321300
    2 杭州电子科技大学网络空间安全学院 杭州 310018
    3 济南大学信息科学与工程学院 济南 250022
  • 出版日期:2025-06-16 发布日期:2025-06-12
  • 通讯作者: 王旭(ise_wangx@ujn.edu.cn)
  • 作者简介:(liurunjun@haers.com)
  • 基金资助:
    国家自然科学基金项目(72374058);浙江省自然科学基金项目(LQ21F020013)

Reversible Data Hiding in Fully Encrypted Images Based on Pixel Interval Partitioning andPrediction Recovery

LIU Runjun1, XIAO Fengjun2, HU Weitong2, WANG Xu3   

  1. 1 Zhejiang Haers Vacuum Containers Co.,Ltd.,Jinhua,Zhejiang 321300,China
    2 School of Cyberspace Security,Hangzhou Dianzi University,Hangzhou 310018,China
    3 School of Information Science and Engineering,University of Jinan,Jinan 250022,China
  • Online:2025-06-16 Published:2025-06-12
  • About author:LIU Runjun,born in 1977,senior engineer.His main research interests include electronic applications based on IoT and image security.
    WANG Xu,born in 1990,Ph.D,lecturer,is a member of CCF(No.O0730M).His main research interests include multimedia security,data hiding and deep learning.
  • Supported by:
    National Natural Science Foundation of China(72374058) and Zhejiang Natural Science Foundation(LQ21F020013).

摘要: 加密图像中可逆信息隐藏技术是一种用于隐蔽通信和隐私保护的重要网络安全技术,针对完全加密图像的可逆信息隐藏方案具有更可靠的安全性。然而,现有相关算法存在嵌入容量低和恢复图像品质差的问题,无法有效适用于复杂云环境。为了解决这些问题,提出了一种基于像素区间划分及预测恢复的完全加密图像可逆信息隐藏方案。图像所有者利用图像加密密钥完全加密原始图像,信息隐藏者利用信息嵌入密钥将额外信息通过像素区间划分技术嵌入到加密图像中,图像接收者可根据信息嵌入密钥无损提取嵌入的额外信息,并利用图像加密密钥及像素预测辅助实现高质量图像恢复。实验结果表明,该算法的嵌入率相比现有最优算法增长了一倍以上,且图像恢复品质也有了显著提升。

关键词: 可逆信息隐藏, 完全加密图像, 像素区间划分, 像素预测, 隐私保护

Abstract: Reversible data hiding in encrypted images is a crucial cybersecurity technology for covert communication and privacy protection,and reversible data hiding schemes for fully encrypted images offer more reliable security.However,existing algorithms suffer from low embedding capacity and poor quality of recovered images,making them unsuitable for complex cloud environments.To address these issues,this paperproposes a reversible data hiding scheme for fully encrypted images based on pixel interval partitioning and prediction recovery.The image owner fully encrypts the original image using an image encryption key.The data hider embeds additional information into the encrypted image using a data embedding key through pixel interval partitioning.The image receiver can extract the embedded data using the data embedding key losslessly and achieve high-quality recovery of the image with the help of the image encryption key and pixel prediction.Experimental results demonstrate that the embedding rate of the proposed algorithm is more than doubled compared to the optimal existing algorithms,and the quality of the recovered images is significantly improved.

Key words: Reversible data hiding, Fully encrypted image, Pixel interval partitioning, Pixel prediction, Privacy protection

中图分类号: 

  • TP309
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