适应性JPEG图像隐私保护方案

文泓鑫; 胡飞; 俞能海

doi:10.11959/j.issn.2096-109x.2024005

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适应性JPEG图像隐私保护方案

学术论文 | 更新时间：2024-06-03

- 适应性JPEG图像隐私保护方案
- Adaptable privacy protection scheme in JPEG images
- 网络与信息安全学报 2024年10卷第1期页码：91-101
- 作者机构：
- 作者简介：
  
  [ "文泓鑫（1998− ），男，广东汕头人，中国科学技术大学硕士生，主要研究方向为图像隐私保护" ]
  [ "胡飞（1993− ），男，安徽六安人，中国科学技术大学博士生，主要研究方向为图像隐私保护" ]
  [ "俞能海（1964− ），男，安徽无为人，中国科学技术大学教授、博士生导师，主要研究方向为视觉计算与安全、信息隐藏、数据安全、人工智能安全" ]
- 基金信息：
  
  国家重点研发计划;The National Key R＆D Program of China(2018YFB0804100)
- DOI：10.11959/j.issn.2096-109x.2024005
  中图分类号： TP37
- 网络首发：2024-02，
  
  纸质出版：2024-02-25
- 稿件说明：
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文泓鑫, 胡飞, 俞能海. 适应性JPEG图像隐私保护方案[J]. 网络与信息安全学报, 2024,10(1):91-101.

Hongxin WEN, Fei HU, Nenghai YU. Adaptable privacy protection scheme in JPEG images[J]. Chinese Journal of Network and Information Security, 2024, 10(1): 91-101.
文泓鑫, 胡飞, 俞能海. 适应性JPEG图像隐私保护方案[J]. 网络与信息安全学报, 2024,10(1):91-101. DOI： 10.11959/j.issn.2096-109x.2024005.

Hongxin WEN, Fei HU, Nenghai YU. Adaptable privacy protection scheme in JPEG images[J]. Chinese Journal of Network and Information Security, 2024, 10(1): 91-101. DOI： 10.11959/j.issn.2096-109x.2024005.

摘要

由于 JPEG 图像格式是一种高压缩率图像格式，JPEG 图像中的隐私保护方案不仅需要保护隐私区域的内容，同时要控制文件的大小。另外，JPEG图像中包含隐私信息的区域，即感兴趣区域（ROI），往往只占整个图像的一部分。仅对ROI进行保护有助于控制文件的大小。基于此，提出了一种适应性JPEG图像隐私保护方案。利用人脸检测等方法从JPEG图像中提取隐私区域，使用基于块的适应性可逆修改算法对隐私区域进行保护，用可逆信息隐藏方法将复原所需的信息嵌入图像。上述隐私保护过程采用了可逆的算法，合法的被授权者可以完全恢复经过所提方案隐私保护后的区域。由于引入了可变的参数，可以选择合适的参数以适应不同的实际需求，并达到最优效果。对多个 ROI 重叠的复杂情形进行了讨论并提出了解决方案。在峰值信噪比（PSNR，peak signal-to-noise ratio）和文件膨胀率等指标下，通过实验探索了不同参数对方案性能的影响并找到了推荐的参数组合。实验结果表明，在合适的参数下，所提方案在隐私保护、文件膨胀率等方面中的表现优于已有方案。

Abstract

The JPEG format is widely used for its high compression rate in image storage.Privacy protection schemes applied to JPEG images not only need to safeguard the content of the privacy region but also maintain the file size.Furthermore

the region of interest (ROI)

which contains private information

often occupies only a portion of the entire JPEG image.Protecting only the ROI can help preserve the file size.In light of this

an adaptable privacy protection scheme for JPEG images was proposed.Privacy regions were identified using methods like face detection within the JPEG images.These regions were then modified using the block-based adaptable reversible modification algorithm presented in this study.Reconstruction information was embedded into the image through reversible data hiding.The application of reversible algorithms in the privacy protection process enabled authorized users to fully restore the protected area.By introducing variable parameters

this scheme allowed for the selection of appropriate parameters to meet different practical requirements and achieve optimal encryption results.Additionally

the complex scenario of multiple overlapping ROIs was discussed and resolved.Experimental evaluations were conducted to investigate the influence of parameters on performance

considering both peak signal-to-noise ratio (PSNR) and file size increment.The results demonstrate that the proposed scheme outperforms existing schemes in terms of privacy protection and file size when suitable parameters are employed.

关键词

Keywords

references

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LIN Y , KORSHUNOV P , EBRAHIMI T . Secure JPEG scrambling enabling privacy in photo sharing [C ] // Proceedings of 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition , 2015 , 4 ( 1 ): 1 - 6 .

CAO X , HUANG Y , WU H , et al . Content and privacy protection in JPEG images by reversible visual transformation [J ] . Applied Sciences , 2020 , 10 ( 19 ).

HUANG Y , CAO X , WU H T , et al . Reversible data hiding in jpeg images for privacy protection [C ] // Proceedings of 2021 IEEE International Conference on Acoustics,Speech and Signal Processing (ICASSP) . 2021 : 2715 - 2719 .

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LI J , WANG N , ZHANG L , et al . Recurrent feature reasoning for image inpainting [C ] // Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition(CVPR) . 2020 : 7760 - 7768 .

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