Security In Telemedicine: Issues In Watermarking Medical Images

This paper opens a discussion about securing telemedicine by looking at attacks to the security by viewing the function of the computer system as provision of information. Categories of attacks are discussed and an overview of watermarking is introduced as one of the security tool, using the medical image as the channel for watermarking. The main objectives for medical image watermarking are that the watermarks are imperceptible and act as a mean of authentication and integrity control. The issues in watermarking medical images raised here are complete authentication Vs content authentication, reversible watermarking Vs permanent/irreversible watermarking and the practical issue of compression.

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