alexa IMPROVING SECURITY AND REDUCING EFFECT OF ATTACKS ON WA
ISSN: 1948-1432

Journal of Global Research in Computer Sciences
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Research Article

IMPROVING SECURITY AND REDUCING EFFECT OF ATTACKS ON WATERMARK USING BINARY OPERATORS

Jaspreet Kaur*1 Dr Raman Maini 2
  1. Associate Professor, CE Deptt
  2. University College of Engineering, Punjabi University, Patiala, India
Corresponding Author: Jaspreet Kaur, E-mail: [email protected]
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Abstract

A good watermarking technique embeds information into a carrier image with virtually imperceptible modification of the image. In this paper a novel spatial domain Least Significant Bit (LSB) based watermarking scheme for color Images is proposed. The proposed scheme is of type blind and invisible watermarking. .Among Red, Green and Blue channel of the color image, blue channel has been used for watermark embedding for making invisible watermarking more effective. The watermark is embedded into selected channels of pixel i.e diagonally for increasing robustness of watermarking. Moreover in this proposed scheme we have done binary operation on any of two watermarks to increase the robustness. The proposed scheme is found robust to various image processing operations such as salt and pepper noise and cropping. The security of watermark is preserved by permuting the watermark bits using secret key. A detailed algorithm is furnished along with the results of its application on some sample images.

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