A Novel Approach of High-Secured Watermarking System Using Zernike Moments

P. Karthik; P. Sathiya Priya

doi:https://doi.org/10.51976/ijari.311504

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A Novel Approach of High-Secured Watermarking System Using Zernike Moments

P. Karthik, P. Sathiya Priya

Vol 3 , Issue 1 , January - March 2015 | Pages: 22-27 | Research Paper

https://doi.org/10.51976/ijari.311504

Received: January 19, 2015 | Revised: February 15, 2015 | Accepted: February 28, 2015 | Published Online: March 15, 2015

Author Details ( * ) denotes Corresponding author

1. * P. Karthik, Department of Computer Science and Engineering, Sir Issac Newton College of Engineering and Technology, Nagapattinam, Tamil Nadu, India (kdev61981@gmail.com)

2. P. Sathiya Priya, Department of Computer Science and Engineering, Sir Issac Newton College of Engineering and Technology, Nagapattinam, Tamil Nadu, India

Watermarking is an effective technology that solves many problems within a digitization project. A high capacity data entrenching scheme based on precise and fast framework for the computation of Zernike moments (ZMs) is proposed in this paper. The high capacity is achieved by maximizing data entrenching size and improving the hiding ratio after dipping the inaccuracies in the computation of ZMs. Furthermore, a concept of conditional quantization technique which enables to reduce the total number of ZMs needed to be modified during watermark embedding. Conditional quantization technique concept enhances the visual imperceptibility of the watermarked image and its robustness against various at tacks.

Keywords

Zernike Moments; Conditional Quantization

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