A Novel Technique for Lossless Visible Water Marking Using One-To-One Compound Mapping
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 11
Abstract
A novel technique is introduced for generic visible water marking with a capability of lossless image recovery. The method is implemented on the basis of deterministic one–to–one compound mappings of image pixel values for overlaying a variety of visible watermarks of arbitrary size of cover image. The compound mappings are capable to be reversible which allows lossless recovery of original image from water marked image. The mappings may be adjusted to yield pixel values close to those of desired visible watermarks. Different types of visible watermarks, including opaque monochrome and translucent full color ones, are embedded as applications of the proposed generic approach. A two-fold monotonically increasing compound mapping is created and proved to yield more distinctive visible watermarks in the watermarked image. Security protection measures by parameter and mapping randomizations have also been proposed to deter attackers from illicit image recoveries. Experimental results demonstrating the effectiveness of the proposed approach are also included.
Authors and Affiliations
D. Phaneendra, I. Suneetha, A. Rajani
Keywords
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