An Approach for Embedding and Retrieving the Data in Medical Image Using Contourlet Transform

Data hiding in medical images has wide applications in the medical field. The medical images of different modalities like CT, MRI , with Patient medical Report (PMR) can be sent to the clinicians residing at any corner of the globe for the diagnosis. This has the advantage of data security, attachment of patient data with the medical image which saves the space in hospital digital database. The main requirements of general data hiding method are robustness to attack, high hiding capacity and maintaining Region of Interest (ROI) of the image during their processing. Hence, the comparison of wavelet transform and contourlet transform for data hiding in the medical image(CT-BRAIN) is performed in this work. Key Terms – Contourlet Transform, Multidimensional Filter Banks and Nonsubsampled Filter Banks. Saranya G and Dr.S. Nirmala Devi Center For Medical Electronics Department of Electronics and Communication Engineering Anna University Chennai, Chennai-600025 Email: [email protected] International Journal of Scientific & Engineering Research, Volume 3, Issue 10, October-2012 2 ISSN 2229-5518 IJSER © 2012 http://www.ijser.org