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As long as human beings exist on this earth, there will be confidential images intended for limited audience. These images have to be transmitted in such a way that no unauthorized person gets knowledge of them. DNA sequences play a vital…

Cryptography and Security · Computer Science 2016-11-28 Grasha Jacob , A. Murugan

With the fast evolution of digital data exchange and increased usage of multi media images, it is essential to protect the confidential image data from unauthorized access. In natural images the values and position of the neighbouring…

Cryptography and Security · Computer Science 2012-02-23 S. Rakesh , Ajitkumar A Kaller , B. C. Shadakshari , B. Annappa

A new technique for data hiding in digital image is proposed in this paper. Steganography is a well known technique for hiding data in an image, but generally the format of image plays a pivotal role in it, and the scheme is format…

Multimedia · Computer Science 2013-08-01 Adity Sharma , Anoo Agarwal , Vinay Kumar

Data security is required when communications over untrusted networks takes place. Security tools such as cryptography and steganography are applied to achieve such objectives, but both have limitations and susceptible to attacks if they…

Cryptography and Security · Computer Science 2019-03-01 Sherief H. Murad , Amr M. Gody , Tamer M. Barakat

Privacy-preserving and secure data sharing are critical for medical image analysis while maintaining accuracy and minimizing computational overhead are also crucial. Applying existing deep neural networks (DNNs) to encrypted medical data is…

Cryptography and Security · Computer Science 2024-11-12 Al Amin , Kamrul Hasan , Sharif Ullah , M. Shamim Hossain

In the era of technology, data security is one of the most important things that both individuals and companies need. Information plays a huge role in our everyday life and keeping it safe should be our number one priority. Nowadays most of…

Image and Video Processing · Electrical Eng. & Systems 2020-04-21 Ulkar Ahmadova , Laman Mammadova , Behnam Kiani Kalejahi

Data hiding has received much attention due to rapid development of internet and multimedia technologies where security of information is a very important concern. This is achieved by Steganography, which is the art or science of hiding…

Information Theory · Computer Science 2015-10-02 Debajit Sensarma , Samar Sen Sarma

Information security is one of the most challenging problems in today's technological world. In order to secure the transmission of secret data over the public network (Internet), various schemes have been presented over the last decade.…

Multimedia · Computer Science 2016-01-08 Khan Muhammad , Jamil Ahmad , Muhammad Sajjad , Muhammad Zubair

This work proposes a high-capacity scheme for separable reversible data hiding in encrypted images. At the sender side, the original uncompressed image is encrypted using an encryption key. One or several data hiders use the MSB of some…

Cryptography and Security · Computer Science 2016-12-14 M. Hassan Najafi , David J. Lilja

This report gives a novel technique of image encryption and authentication by combining elements of Visual Cryptography and Public Key Cryptography. A prominent attack involving generation of fake shares to cheat honest users has been…

Cryptography and Security · Computer Science 2017-11-27 Rahul Saranjame , Manik Lal Das

The rapid integration of Artificial Intelligence (AI) into medical diagnostics has raised pressing concerns about patient privacy, especially when sensitive imaging data must be transferred, stored, or processed. In this paper, we propose a…

Cryptography and Security · Computer Science 2025-07-30 Abdullah Al Siam , Sadequzzaman Shohan

In the field of information technology, information security technologies hold a special place. They ensure the security of the use of information technology. One of the urgent tasks is the protection of electronic documents during their…

Multimedia · Computer Science 2020-10-02 Anna Melman , Oleg Evsutin , Alexander Shelupanov

In recent work, various fractal image coding methods are reported, which adopt the self-similarity of images to compress the size of images. However, till now, no solutions for the security of fractal encoded images have been provided. In…

Multimedia · Computer Science 2007-11-26 Shiguo Lian

The recently introduced approach for Encrypted Image Folding is generalized to make it Self Contained. The goal is achieved by enlarging the folded image so as to embed all the necessary information for the image recovery. The need for…

Mathematical Physics · Physics 2012-09-13 Laura Rebollo-Neira , James Bowley , Anthony Constantinides , Angel Plastino

...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

In this paper, a new image encryption scheme using a secret key of 144-bits is proposed. In the substitution process of the scheme, image is divided into blocks and subsequently into color components. Each color component is modified by…

Cryptography and Security · Computer Science 2012-04-10 Narendra K Pareek

In this survey, thirty models for steganography and visual encryption methods have been discussed to provide patients privacy protection.

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Hussein K. Alzubaidy , Dhiah Al-Shammary , Mohammed Hamzah Abed

The need to protect sensitive information privacy duringinformation exchange over the internet/intranet has led towider adoption of cryptography and steganography. The cryptography approaches convert the information into an unreadable…

Emerging Technologies · Computer Science 2024-05-01 Idakwo M. A. , Muazu M. B. , Adedokun A. E. , Sadiq B. O

The rapid development of multimedia and internet allows for wide distribution of digital media data. It becomes much easier to edit, modify and duplicate digital information besides that, digital documents are also easy to copy and…

Multimedia · Computer Science 2010-03-23 Mahmoud Elnajjar , A. A Zaidan , B. B Zaidan , Mohamed Elhadi M. Sharif , Hamdan. O. Alanazi

Steganography is an emerging area which is used for secured data transmission over any public media.Steganography is a process that involves hiding a message in an appropriate carrier like image or audio. It is of Greek origin and means…

Cryptography and Security · Computer Science 2010-05-27 Mamta Juneja , Parvinder singh Sandhu