VLSI Architecture of Spread Sprectrum Image Watermarking Decoder

  • Navonil Chatterjee
  • Moudud Sohid
  • Sudipta Chakraborty
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 174)


Multifarious techniques have been adopted in the field of image watermarking which offers some desirable characteristics to the watermarked image. In this paper, the combined technique of channel coding and Spread Spectrum modulation has been exerted to implement the proposed image watermarking algorithm. A block based spatial domain watermarking scheme for digital image using Spread Spectrum has been employed for the implementation of the algorithm. In practice, with the help of pseudo random noise the binary watermark image has been distributed using channel coding and spatial bi-phase modulation technique. With the extensive use of Spread spectrum modulation technique the security issues related to image watermarking can be effectively dealt with, and at the same time robustness and imperceptibility of watermarked image can be enhanced appreciably. VLSI implementation using Field Programmable Gate Array (FPGA) has been developed the decoding portions of the algorithm.


Field Programmable Gate Array Cover Image Image Watermark Spread Spectrum Watermark Scheme 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer India 2013

Authors and Affiliations

  • Navonil Chatterjee
    • 1
  • Moudud Sohid
    • 1
  • Sudipta Chakraborty
    • 1
  1. 1.Bengal Engineering and Science UniversityShibpur, HowrahIndia

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