Content based Public Key Watermarking Scheme for Image Verification and Authentication
نویسندگان
چکیده
منابع مشابه
Content based Public Key Watermarking Scheme for Image Verification and Authentication
A semi fragile, public key based digital signature scheme to verify and authenticate digital images is proposed. The scheme computes a content dependent feature value for each block of DCT coefficients of the original image. This feature is signed and then embedded into the selected DCT coefficients of the image as watermark. The technique aims to circumvent the cut and paste attacks by incorpo...
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ژورنال
عنوان ژورنال: International Journal of Computer Applications
سال: 2014
ISSN: 0975-8887
DOI: 10.5120/16187-4912