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Reseach Article

Sliding Window used for Robustness and Fidelity Optimization Employing Neighborhood Concept and Genetic Algorithm with Tournament Selection

by Sachin Goyal, Roopam Gupta
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 20 - Number 8
Year of Publication: 2011
Authors: Sachin Goyal, Roopam Gupta
10.5120/2452-3310

Sachin Goyal, Roopam Gupta . Sliding Window used for Robustness and Fidelity Optimization Employing Neighborhood Concept and Genetic Algorithm with Tournament Selection. International Journal of Computer Applications. 20, 8 ( April 2011), 36-42. DOI=10.5120/2452-3310

@article{ 10.5120/2452-3310,
author = { Sachin Goyal, Roopam Gupta },
title = { Sliding Window used for Robustness and Fidelity Optimization Employing Neighborhood Concept and Genetic Algorithm with Tournament Selection },
journal = { International Journal of Computer Applications },
issue_date = { April 2011 },
volume = { 20 },
number = { 8 },
month = { April },
year = { 2011 },
issn = { 0975-8887 },
pages = { 36-42 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume20/number8/2452-3310/ },
doi = { 10.5120/2452-3310 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:07:18.131336+05:30
%A Sachin Goyal
%A Roopam Gupta
%T Sliding Window used for Robustness and Fidelity Optimization Employing Neighborhood Concept and Genetic Algorithm with Tournament Selection
%J International Journal of Computer Applications
%@ 0975-8887
%V 20
%N 8
%P 36-42
%D 2011
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Digital media security is the principal concern in the today’s technological world. Due to easy production, transmission and dissemination of digital data, security threats occur while dealing with digital data. Digital watermarking is one of the growing and promising technologies to protect the digital data from being tampered and also widely used for copyright protection. Several watermarking techniques in spatial and frequency domain were given by various researchers which suffered from problems of poor robustness and fidelity. The evolutionary techniques using genetic algorithm provide an alternative way of creating watermarks with promising values of robustness and fidelity aspect of watermarking. This paper deals with design and development of a new watermarking technique which uses genetic algorithm to identify locations within the cover image for watermark insertion in spatial domain and then apply the average neighborhood concept for the purpose of watermark insertion and extraction ensuring higher fidelity and robustness and resilience to several possible image attacks. Genetic search often produces same watermark locations in different populations for watermark insertion resulting in poor value of fidelity and robustness, which need to be checked. Sliding window concept introduced in this paper uses a set of a few genes which are serially shuffled to get new set of locations for watermarking during each population generation and helps in enhancing robustness and fidelity aspect of watermarking. Tournament selection has been used while using the genetic algorithms developed in the paper.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Digital watermarking Fidelity Robustness Neighborhood concept Sliding window