期刊论文

Liu, Yuling

英文

Journal of Visual Communication and Image Representation

1047-3203

2016

39

Aug.

51-57

10.1016/j.jvcir.2016.05.008

This paper proposes a ROI-based RDH scheme for the encrypted medical image, which consists of image encryption, data embedding, data extraction and image recovery phases. The medical image can be authenticated by the hash message of ROI. With the data-hiding key and the encryption key, the embedded data can be correctly extracted while ROI can be perfectly recovered. The experimental results reveal that the proposed scheme can achieve the reversibility of ROI and great improvement on the

本校为其他机构

A novel ROI-based reversible data hiding scheme in encrypted medical images is proposed. Firstly, a content owner partitions an original medical image into the region of interest (ROI) and the region of noninterest (RONI), and then encrypts the image using an encryption key. A data-hider concatenates the least significant bits (LSB) of the encrypted ROI and Electronic Patient Record (EPR), and then embeds the concatenated data into the encrypted image by LSB substitution algorithm. With the encrypted medical image containing the embedded data, the receiver can extract the embedded data with th...