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Journal of Applied Sciences >

2015 , Vol. 33 >Issue 6: 644 - 654

DOI: https://doi.org/10.3969/j.issn.0255-8297.2015.06.008

Special Issue: Information Security of Multimedia Contents

Reversible Data Hiding in Encrypted Medical Images with Improved Embedding Capacity

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  • 1. School of Communication and Information Engineering, Shanghai University, Shanghai 200444, China;
    2. First Affiliate Hospital, Suzhou University, Suzhou 215006, Jiangsu Province, China

Received date: 2015-06-29

  Revised date: 2015-10-20

  Online published: 2015-11-30

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Abstract

This paper proposes a scheme of reversible data hiding for encrypted medical images. The proposed scheme contains three parts:a sender, a server and a receiver. The content owner encrypts the original medical image using a stream cipher and uploads the encrypted image to the server. The data-hider on the server hides additional data into the encrypted medical image using a circulating shift method that preserves the size of the encrypted image. The receiver downloads the encrypted image containing additional data, extracts the additional data precisely, and recovers the original medical image losslessly. Compared with some previous schemes, the proposed method has larger embedding capacity.

Key words： information hiding; encrypted data hiding; image encrypted; recovery lossless

Cite this article

JIANG Fei, LI Jun, QIAN Zhen-xing . Reversible Data Hiding in Encrypted Medical Images with Improved Embedding Capacity[J]. Journal of Applied Sciences, 2015 , 33(6) : 644 -654 . DOI: 10.3969/j.issn.0255-8297.2015.06.008

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