Image

Abstract—An efficient digital watermarking scheme to transmit the medical image which embeds an encrypted data is proposed in this paper. We substitute the non-significant LSB bitplane of the image with encrypted data composed of the patient data and a digest. The latter is composed of two numbers representing the sum of detected image edge pixels without LSB bitplane, using Canny and Laplacien of Gaussian (LoG) operators respectively. On the receiving side, after decrypting data contained in the LSB bitplane, a comparison of the digest number saved on the watermarked image and the digest computed on the received image without LSB bitplane. The equality of the two digests, saved in the LSB bitplane and computed on the received image, proves the integrity and the authenticity of the medical image