Title: Visual-cryptography-based blind watermarking scheme for copyright protection

Authors: Sanjay Rawat; Balasubramanian Raman

Addresses: Department of Mathematics, Indian Institute of Technology Roorkee Roorkee-247667, India ' Department of Mathematics, Indian Institute of Technology Roorkee Roorkee-247667, India

Abstract: In this paper, a blind watermarking scheme based on Visual Cryptography (VC) is proposed. A sub-image is extracted from the host image and master share is generated by combining the luminance features and edge features of this sub-image. Ownership share is constructed by using a binary secret image together with the master share. When the owner needs to be identified, we can stack these two shares to recover the secret image to validate the ownership. Experimental results demonstrate that the proposed scheme is robust against various image-processing operations, geometric attacks and JPEG compression.

Keywords: blind watermarking; visual cryptography; masking; copyright protection; luminance features; edge features; secret images; ownership; image processing; geometric attacks; JPEG compression.

DOI: 10.1504/IJSISE.2013.054794

International Journal of Signal and Imaging Systems Engineering, 2013 Vol.6 No.3, pp.158 - 163

Received: 18 Apr 2011
Accepted: 29 Aug 2011
Published online: 13 Sep 2013 *

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