simultaneous storage of medical images in the spatial and frequency domain a comparative study同时医学图像的存储空间和频域进行比较研究.pdf

BioMedical Engineering OnLine BioMed Central Research Open Access Simultaneous storage of medical images in the spatial and frequency domain: A comparative study 1 2 3 1 Jagadish Nayak* , P Subbanna Bhat , Rajendra Acharya U and Niranjan UC Address: 1Department of E C Engg. Manipal Institute Of Technology, Manipal, India 576104, 2Department of E C Engg. National Institute Of Technology Karnataka, Surathkal, India 575025 and 3Dept. of EC, School of Engineering, Ngee Ann Polytechnic, Singapore 599489 Email: Jagadish Nayak* - jag.nayak@; P Subbanna Bhat - p_subbannabhat@; Rajendra Acharya U - aru@.sg; Niranjan UC - ucniranjan@ * Corresponding author Published: 05 June 2004 Received: 22 August 2003 Accepted: 05 June 2004 BioMedical Engineering OnLine 2004, 3:17 This article is available from: /content/3/1/17 © 2004 Nayak et al; licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the articles original URL. Abstract Background: Digital watermarking is a technique of hiding specific identification data for copyright authentication. This technique is adapted here for interleaving patient information with medical images, to reduce storage and transmission overheads. Methods: The patient information is encrypted before interleaving