The performance of differential evolution (DE) algorithm is significantly affected by its
parameters setting that are highly problem dependent. In this paper, an optimal discrete …

In this proposed work, a dual image watermarking algorithm is used to protect the data
against copyright violations. In this work, the DICOM image is used as a host image. Two …

In this paper, a dual image watermarking technique is proposed to secure the data, which
utilizes the property of lifting wavelet transformation (LWT), singular value decomposition …

Algorithms inspired by the intelligent social behavior of simple agents have become popular
among the researchers in the recent years. These algorithms are able to find the solution of …

Imperceptibility, robustness, security and capacity are the main features of a digital image-
watermarking scheme, and their simultaneous acquisition is a challenging problem. In the …

Digital image watermarking is one of the important method of copyright protection and
rightful ownership of the digital image and video. In this paper, the existing algorithm based …

The major issues in most watermarking schemes are security, reliability, and robustness
against attacks. To achieve these objectives in a watermarking algorithm, the selection of a …

An algorithm for watermarking of digital images is proposed in this paper which utilizes
Compressive Sensing (CS) with Principle Components (PCs) to achieve robustness, speed …

In the last few decades, the watermarking security issue has become one of the main
challenges facing the design of watermarking techniques. In this paper, a secure oblivious …

This book presents watermarking algorithms derived from signal processing methods such
as wavelet transform, matrix decomposition and cosine transform to address the limitations …