A watermarking scheme using intellectual encoding-encryption based blind reversible integer wavelet-singular value decom
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ORIGINAL RESEARCH
A watermarking scheme using intellectual encoding‑encryption based blind reversible integer wavelet‑singular value decomposition transform for authenticity detection K. J. Kavitha1,2 · B. Priestly Shan3 Received: 28 March 2020 / Accepted: 27 August 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Image processing plays vital role in analysis, storage and transmission of medical information. Digital watermarking (DWM) is considered as one of the more robust technique to protect patients’ Medical Health Record (MHR) in the field of telemedicine against various malicious attacks. In this paper, a blind reversible Integer Wavelet-Singular Value Decomposition (IWT-SVD) transform watermarking technique based on Encoded-encrypted Watermark is proposed for security authentication. Prior to watermarking, a novel encoding algorithm based on prime number theory with RSA encryption is used and followed by the QR code generation; is embedded into the patient health record. In this paper, different watermark embedding algorithms are discussed and a blind reversible IWT-SVD transform based DWM with novel encoding algorithm based on prime number theory is proposed with the suitable embedding algorithm along with RSA encryption applied for PHR watermark to be embedded in medical images and medical videos. QR code is also used to encode encrypted data so as to ensure reduced data payload. The proposed Encoded-Encrypted based DWM is applied to the medical images Ultra sound image, MRI image & CT scan images and 2-D & 3D medical videos. The proposed method is tested for various key values and it has achieved a PSNR on an average 80 db, SSIM of 0.95, MSE of 0.007, NAE of 0.006, NCC of almost 1 and the time of evaluation is 22 to50 seconds. The proposed technique based on novel encoding algorithm is compared with Huffman, Arithmetic coding, and with some classical watermarking systems. Keywords Watermarking · Encoding · RSA encryption · IWT · SVD · QR code
1 Introduction The advanced telemedicine field facilitates the exchange of medical information for some specific disease investigation over a wide network across the globe. This in turn has reduced anyone’s time and unnecessary reinvestigation of the disease by spending a lot of money. But at the same time, risk of hacking the information has been increased which could be used for illegal money making or may cause harm to a patient. To avoid such critical cases, many techniques are introduced, out of which digital watermarking is also one of the main contribution by the researchers so as * K. J. Kavitha [email protected] 1
Jain Institute of Technology, Davangere, India
2
CSE Department, Sathyabama University, Chennai, India
3
Galgotias University, Greater Noida, India
to ensure Patient’s Health Record’s (PHR) integrity, confidentiality and authenticity (Eswaraiah and Edara 2015). Although many digital watermarking (DWM) techniques are in existence, no complete algorithm is introduced to provide the complete robustne
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