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Integrated healthcare systems require the transmission of medical images between medical centers. The presence of watermarks in such images has become important for patient privacy protection. However, some important issues should be…

Cryptography and Security · Computer Science 2021-10-19 Ahmed Nagm , Mohammed Safy

In recent years, characterized by the innovation of technology and the digital revolution, the field of media has become important. The transfer and exchange of multimedia data and duplication have become major concerns of researchers.…

Multimedia · Computer Science 2016-02-10 Med Karim Abdmouleh , Ali Khalfallah , Med Salim Bouhlel

Digital watermarking is a technique of embedding pieces of information into digital data such as text, audio, video, and still images that can be detected or extracted later to show authentication about the data. Watermark is hidden…

Multimedia · Computer Science 2013-04-01 Nisha Sharma , Kamlesh Sharma

In this paper a novel spatial domain LSB based watermarking scheme for color Images is proposed. The proposed scheme is of type blind and invisible watermarking. Our scheme introduces the concept of storing variable number of bits in each…

Graphics · Computer Science 2009-12-22 Nagaraj V. Dharwadkar , B. B. Amberker

In recent years, steganography has emerged as one of the main research areas in information security. Least significant bit (LSB) steganography is one of the fundamental and conventional spatial domain methods, which is capable of hiding…

Image and Video Processing · Electrical Eng. & Systems 2018-10-15 Aya H. S. Abdelgader , Raneem A. Aboughalia , Osama A. S. Alkishriwo

The Internet as a whole does not use secure links, thus information in transit may be vulnerable to interruption as well. The important of reducing a chance of the information being detected during the transmission is being an issue in the…

Multimedia · Computer Science 2012-05-15 Yusuf Perwej , Firoj Parwej , Asif Perwej

The proliferation of digital media necessitates robust methods for copyright protection and content authentication. This paper presents a comprehensive comparative study of digital image watermarking techniques implemented using the spatial…

Multimedia · Computer Science 2025-11-14 Rizal Khoirul Anam

In this paper, we propose an efficient digital watermarking scheme to strengthen the security level already present in the database management system and to avoid illegal access to comprehensive content of database including patient's…

Cryptography and Security · Computer Science 2012-07-24 Said Aminzou , Brahim Er-Raha , Youness Idrissi Khamlichi , Mustapha Machkour , Karim Afdel

In this paper, we introduce a new digital watermarking algorithm using least significant bit (LSB). LSB is used because of its little effect on the image. This new algorithm is using LSB by inversing the binary values of the watermark text…

Multimedia · Computer Science 2011-11-30 Abdullah Bamatraf , Rosziati Ibrahim , Mohd. Najib Mohd. Salleh

Due to the widespread of advanced digital imaging devices, forgery of digital images became more serious attack patterns. In this attack scenario, the attacker tries to manipulate the digital image to conceal some meaningful information of…

Cryptography and Security · Computer Science 2021-10-20 Ahmed M. Nagm , Mohamed Torky , Mohammed Mahmoud Abo Ghazala , Hosam Eldin Fawzan Sayed

This paper proposes an improved steganography approach for hiding text messages in lossless RGB images. The objective of this work is to increase the security level and to improve the storage capacity with compression techniques. The…

Cryptography and Security · Computer Science 2013-04-18 Ankit Chaudhary , J. Vasavada , J. L. Raheja , S. Kumar , M. Sharma

Growth of the Internet and networked multimedia systems has emphasized the need for copyright protection of the media. Media can be images, audio clips, videos and etc. Digital watermarking is today extensively used for many applications…

Multimedia · Computer Science 2018-03-14 Amin Banitalebi , Said Nader-Esfahani , Alireza Nasiri Avanaki

In view of the frequent multimedia data transfer authentication and protection of images has gained importance in todays world. In this paper we propose a new watermarking technique, based on bit plane, which enhances robustness and…

Cryptography and Security · Computer Science 2009-08-28 Sushma Kejgir , Manesh Kokare

Various methods have been proposed to secure access to sensitive information over time, such as the many cryptographic methods in use to facilitate secure communications on the internet. But other methods like steganography have been…

Cryptography and Security · Computer Science 2023-12-22 Sahil Nokhwal , Manoj Chandrasekharan , Ankit Chaudhary

LSB method is one of the well-known steganography methods which hides the message bits into the least significant bit of pixel values. This method changes the statistical information of images, which causes to have an unsecured channel. To…

Multimedia · Computer Science 2017-09-21 Kazem Qazanfari , Reza Safabaksh

...The steganography scheme makes it possible to hide the medical image in different bit locations of host media without inviting suspicion. The Secret file is embedded in a cover media with a key. At the receiving end the key can be…

Multimedia · Computer Science 2010-04-13 J. Nafeesa Begum , K. Kumar , V. Sumathy

Information security is concerned with maintaining the secrecy, reliability and accessibility of data. The main objective of information security is to protect information and information system from unauthorized access, revelation,…

Cryptography and Security · Computer Science 2014-08-19 Minati Mishra , Ashanta Ranjan Routray , Sunit Kumar

As Generative AI continues to become more accessible, the case for robust detection of generated images in order to combat misinformation is stronger than ever. Invisible watermarking methods act as identifiers of generated content,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Dongjun Hwang , Sungwon Woo , Tom Gao , Raymond Luo , Sunghwan Baek

The increased growth in the use of transmission of multimedia medical contents over unsecured and open networks provides insecurity for confidential patient information over these networks. Digital encryption of medical images before…

Cryptography and Security · Computer Science 2015-06-16 Quist-Aphetsi Kester

Copyright protection has become a need in today's world. To achieve a secure copyright protection we embedded some information in images and videos and that image or video is called copyright protected. The embedded information can't be…

Multimedia · Computer Science 2011-03-22 Sumit Kumar , Santosh Kumar , Sukumar Nandi
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