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Subhajit Koley

Work place: Electronics & Communication Engineering, Guru Nanak Institute of Technology, Kolkata, India

E-mail: subhajitgnitece@gmail.com

Website:

Research Interests: Image Processing, Image Manipulation, Image Compression, Computational Science and Engineering

Biography

Subhajit Koley was born in Kolkata, India in 1991. He received the B. Tech. degree from West Bengal University of Technology (WBUT), in 2013. He has published over 10 refereed journal and National & International conference papers in the areas of Cryptography, Image Processing and Signal Processing. His representative published articles list as follow: A New Combined Crypto-Watermarking Technique using RSA Algorithm and Discrete Cosine Transform to Retrieve Embedded EPR from Noisy Bio-Medical Images (IEEE CATCON 2013, India), Extraction and Authentication of Hidden Patient‘s Information from Biomedical Image through Crypto-Watermarking Technique (IEMCON 2013, India), etc. Moreover, he was a participant of a straight light project for Micro, Small and Medium Enterprises. His activities currently focus on GUI based Breast Cancer Identification and Diagnostic System for Mammographic Image. His research interests include Security Aspects of Biomedical Image Watermarking, Cryptography, Digital Image Processing, Digital Signal Processing and Analog and Digital Communication and Electronic Devices;

Author Articles
Secure Transmission and Recovery of Embedded Patient Information from Biomedical Images of Different Modalities through a Combination of Cryptography and Watermarking

By Subhajit Koley Koushik Pal Goutam Ghosh Mahua Bhattacharya

DOI: https://doi.org/10.5815/ijigsp.2014.04.03, Pub. Date: 8 Mar. 2014

In this paper a new type of information hiding skill in biomedical images is proposed through a combination of cryptography and digital watermarking to achieve the enhancement in confidential and authenticated data storage and secured transmission. Here patient's name and doctor's name are considered as patient's information which is encrypted using cryptography and embedded in the scan image of that patient through watermarking. RSA algorithm is used for encryption and higher order bit LSB replacement technique is used for embedding the information. The private keys are also embedded in the cover image to have better security and accurate recovery of the hidden information. The outcome of the proposed methodology shows that the hidden information doesn't affect the cover image and it can be recovered efficiently even from several noisy images. The strength of the proposed embedding scheme is also supported by several image quality matrices.

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