当前位置: X-MOL 学术EURASIP J. Image Video Process. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Adaptive and separable multiary reversible data hiding in encryption domain
EURASIP Journal on Image and Video Processing ( IF 2.4 ) Pub Date : 2020-04-19 , DOI: 10.1186/s13640-020-00502-w
Mingji Yu , Yuchen Liu , Hu Sun , Heng Yao , Tong Qiao

To ensure the security of digital information, information needs to be stored and processed in the encryption domain during the cloud storage process, during which the user does not allow the cloud provider (CP) to access the image contents, and the CP must embed additional information in the image. Therefore, reversible data hiding in an encryption domain (RDHEI) has emerged. This paper presents an adaptive and separable multiary RDHEI method. First, the image is divided into two parts that consist of reference pixels and non-reference pixels. Next, we compute the prediction errors of the non-reference pixels, followed by a replacement of the original non-reference values with the computed prediction errors. Then, the entire image is encrypted with a specially designed stream cipher strategy so that the CP can embed additional information by modifying the prediction errors without knowing the original image. In addition, although our method vacates space before encryption, the CP can adaptively control the reserved space, unlike traditional RDHEI schemes which also vacate space before encryption. Because our method is separable, the embedded message can be extracted from both encryption and plaintext domains accurately. The experimental results demonstrate the efficacy of the proposed method.

中文翻译:

隐藏在加密域中的自适应可分离多元可逆数据

为了确保数字信息的安全性,需要在云存储过程中在加密域中存储和处理信息,在此过程中,用户不允许云提供商(CP)访问图像内容,并且CP必须嵌入其他内容。图片中的信息。因此,出现了隐藏在加密域(RDHEI)中的可逆数据。本文提出了一种自适应可分离的多元RDHEI方法。首先,将图像分为由参考像素和非参考像素组成的两部分。接下来,我们计算非参考像素的预测误差,然后用计算的预测误差替换原始非参考值。然后,整个图像使用特殊设计的流密码策略加密,因此CP可以通过修改预测错误来嵌入其他信息,而无需了解原始图像。此外,尽管我们的方法在加密之前先腾出空间,但CP可以自适应地控制保留的空间,这与传统的RDHEI方案也要在加密之前腾出空间的方式不同。由于我们的方法是可分离的,因此可以从加密和纯文本域中准确提取嵌入的消息。实验结果证明了该方法的有效性。由于我们的方法是可分离的,因此可以从加密和纯文本域中准确提取嵌入的消息。实验结果证明了该方法的有效性。由于我们的方法是可分离的,因此可以从加密和纯文本域中准确提取嵌入的消息。实验结果证明了该方法的有效性。
更新日期:2020-04-19
down
wechat
bug