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Spatial Domain Blind Watermarking for Digital Images

  • Maharshi Parekh
  • Shiv Bidani
  • V. Santhi
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 710)

Abstract

In modern technological world, digital manipulation of images and video data has become very common. It is required to bring out some mechanism to protect copyright and authentication of digital data. In this work, a new blind digital watermarking algorithm is proposed for protecting copyright of digital images. In this work, embedding process is carried out in spatial domain by modifying luminance components of cover images. The cover image is divided into many blocks of size 8 × 8, and its correlation values are used as key in selecting blocks for inserting watermark. The image to be watermarked is called host image, and it could be in color or grayscale format. The secret data to be inserted is called watermark, and it is considered to be in monochrome format of size 32 × 32 bytes. This paper shows a novel approach in inserting a watermark in spatial domain. The obtained results show the efficiency of the proposed approach, and it could be classified as fragile watermarking.

Keywords

Spatial Correlation Watermark Copyright protection Embedding Extraction Fragile Luminance 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.School of Computer Science and EngineeringVellore Institute of TechnologyVelloreIndia

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