Amutha Prabha N

Department of Instrumentation

School of Electrical Engineering

Vellore Campus

S Jeevitha

Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

Health and Technology

Effective payload and improved security using HMT Contourlet transform in medical image steganography

With the development of computer and biomedical technologies, medical JPEG images contain the patients’ personal information and the security of the private information attracts great attention. Steganography is utilized to conceal the private information, so as to provide privacy protection of medical images. Most of existing JPEG steganographic schemes embed messages by modifying discrete cosine transform (DCT) coefficients, but the dependencies among DCT coefficients would be disrupted. In this paper, we propose a new medical JPEG image steganographic scheme based on the dependencies of inter-block coefficients. The basic strategy is to preserve the differences among DCT coefficients at the same position in adjacent DCT blocks as much as possible. The cost values are allocated dynamically according to the modifications of inter-block neighbors in the embedding process. Experimental results show that the proposed scheme can cluster the inter-block embedding changes and perform better than the state-of-the-art steganographic method. © 2017 Elsevier Ltd

Computers & Electrical Engineering

Medical JPEG image steganography based on preserving inter-block dependencies

Multimedia Tools and Applications

Reversible data hiding scheme in multiple encrypted images based on code division multiplexing

Discrete & Continuous Dynamical Systems - S

An algorithm for reversible information hiding of encrypted medical images in homomorphic encrypted domain

Arabian Journal for Science and Engineering

Homomorphic Encryption-Based Reversible Data Hiding for 3D Mesh Models

Journal	Data powered by TypesetHealth and Technology
Publisher	Data powered by TypesetSpringer Science and Business Media LLC
ISSN	2190-7188
Open Access	0