A Novel Fragile Watermarking Scheme For Image Tamper Detection Using K Mean Clustering

3 Abstract:In this paper,we focus K-mean clustering based fragile watermarking scheme for image authentication and tamper detection.Tamper detection and localization accuracy are two important aspects of the authentication watermarking scheme. Clustering values of the watermarked image used as the secret key in our scheme. Itcan detect any modification is made to image and also indicate the specific location that have been modified.Important aspect of the schemes are time complexity reductionand PSNR value improvement, withstand attacks.It does not require original image for verification. Index Terms-Digital watermarking,K- mean clustering, Tamper detection.

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