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Biomedical Watermarking: An Emerging and Secure Tool for Data Security and Better Tele-Diagnosis in Modern Health Care System
Abstract
The proposed chapter describes the need of data security and content protection in the modern health care system. A digital watermarking technique is used as a strong and secure tool to achieve ultimate security. In this chapter the authors discuss some existing watermarking techniques and also describe some new types of data hiding techniques using biomedical watermarking techniques in both spatial and frequency domain which would help keep the authenticity and secure the contents of the hidden biomedical information for accurate tele-diagnosis. These techniques use multiple copies of the same information that is to be hidden in the cover image. The bandwidth requirement is greater, but reconstruction of hidden information is more accurate at the time of recovery even under several unintentional attacks. Some new types of embedding and recovery processes have also been employed for better results and success of the different proposed schemes. The Modified Bit Replacement (MBR) embedding process and the Bit Majority Algorithm (BMA) technique for recovery of the hidden information are the newer approaches that are also described here.
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