A New Robust Blind Copyright Protection Scheme Based on Visual Cryptography and Steerable Pyramid

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Provided by: International Journal of Network Security
Topic: Security
Format: PDF
In this paper, the authors proposed a novel blind digital image copyright protection scheme based on Steerable Pyramid Transform (SPT) and Visual Cryptography (VC). Unlike traditional watermarking schemes, the proposed method does not alter the original image by embedding the watermark image. Steerable pyramid transform is performed on the original image and the low sub-band is selected. The watermark image is divided into two random looking images, called private and public shares using the visual secret sharing scheme and the selected low sub-band features.
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