  Telemedicine is well known application where enormous amount of medical data
need to be transferred securely over network and manipulate effectively.
Security of digital data, especially medical images, becomes important for many
reasons such as confidentiality, authentication and integrity. Digital
watermarking has emerged as a advanced technology to enhance the security of
digital images. The insertion of watermark in medical images can authenticate
it and guarantee its integrity. The watermark must be generally hidden does not
affect the quality of the medical image. In this paper, we propose blind
watermarking based on Discrete Wavelet Transform (DWT), Discrete Cosine
Transform (DCT) and Singular Value Decomposition (SVD), we compare the
performance of this technique with watermarking based DWT and SVD. The proposed
method DWT, DCT and SVD comparatively better than DWT and SVD method.
