A Reversible Data Hiding Based on Histogram Shifting of Prediction Errors for Two-Tier Medical Images

被引：8

作者：

Huang, Li-Chin ^{[1
]}

Chiou, Shu-Fen ^{[2
]}

Hwang, Min-Shiang ^{[3
,4
]}

机构：

[1] Execut Yuan, Dept Informat Management, Taipei 10058, Taiwan

[2] Natl Taichung Univ Sci & Technol, Dept Dept Informat Management, Taichung, Taiwan

[3] Asia Univ, Dept Comp Sci & Informat Engn, Taichung 41354, Taiwan

[4] China Med Univ, China Med Univ Hosp, Dept Med Res, Taichung 40402, Taiwan

来源：

INFORMATICA | 2021年 / 32卷 / 01期

关键词：

lossless data embedding; reversible data hiding; histogram; prediction; medical image; CONTRAST ENHANCEMENT; WATERMARKING;

D O I：

10.15388/20-INFOR422

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Clinics and hospitals have already adopted more technological resources to provide a faster and more precise diagnostic for patients, health care providers, and institutes of medicine. Security issues get more and more important in medical services via communication resources such as Wireless-Fidelity (Wi-Fi), third generation of mobile telecommunications technology (3G), and other mobile devices to connect medical systems from anywhere. Furthermore, cloud-based medical systems allow users to access archived medical images from anywhere. In order to protect medical images, lossless data hiding methods are efficient and easy techniques. In this paper, we present a data hiding of two-tier medical images based on histogram shifting of prediction errors. The median histogram shifting technique and prediction error schemes as the two-tier hiding have high capacity and PSNR in 16-bit medical images.

引用

页码：69 / 84

页数：16

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