Abstract
E-health services have proved potentially useful in extending effective health care support and medical consultation for patients even at remote locations. However, efficient storage, retrieval, transmission, and the security of the medical/electronic patient record (EPR) data are important issues which can be effectively addressed by watermarking to achieve guarantied security and authenticity. This chapter presents a brief introduction of digital watermarking, classification, important characteristics and recent applications of digital watermarks followed by the essential requirements of medical image watermarking.
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