Computationally efficient robust color image watermarking using fast walsh hadamard transform

Suja Kalarikkal Pullayikodi, Naser Altrhuni, Afaq Ahmed, Fahad Bait Shiginah

Research output: Contribution to journalArticle

Abstract

Watermark is the copy deterrence mechanism used in the multimedia signal that is to be protected from hacking and piracy such a way that it can later be extracted from the watermarked signal by the decoder. Watermarking can be used in various applications such as authentication, video indexing, copyright protection and access control. In this paper a new CDMA (Code Division Multiple Access) based robust watermarking algorithm using customized 8 × 8 Walsh Hadamard Transform, is proposed for the color images and detailed performance and robustness analysis have been performed. The paper studies in detail the effect of spreading code length, number of spreading codes and type of spreading codes on the performance of the watermarking system. Compared to the existing techniques the proposed scheme is computationally more efficient and consumes much less time for execution. Furthermore, the proposed scheme is robust and survives most of the common signal processing and geometric attacks.

Original languageEnglish
Article number46
JournalJournal of Imaging
Volume3
Issue number4
DOIs
Publication statusPublished - Dec 1 2017

Fingerprint

Walsh transforms
Hadamard transforms
Image watermarking
Multimedia
Watermarking
Color
Access control
Code division multiple access
Authentication
Signal processing

Keywords

  • Attacks
  • Computational
  • Hadamard
  • Robust
  • Spreading

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Computer Graphics and Computer-Aided Design
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering

Cite this

Computationally efficient robust color image watermarking using fast walsh hadamard transform. / Pullayikodi, Suja Kalarikkal; Altrhuni, Naser; Ahmed, Afaq; Shiginah, Fahad Bait.

In: Journal of Imaging, Vol. 3, No. 4, 46, 01.12.2017.

Research output: Contribution to journalArticle

Pullayikodi, Suja Kalarikkal ; Altrhuni, Naser ; Ahmed, Afaq ; Shiginah, Fahad Bait. / Computationally efficient robust color image watermarking using fast walsh hadamard transform. In: Journal of Imaging. 2017 ; Vol. 3, No. 4.
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