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Digital steganography is becoming a common tool for protecting sensitive communications in various applications such as crime(terrorism) prevention whereby law enforcing personals need to remotely compare facial images captured at the scene…

Multimedia · Computer Science 2020-04-28 Alan A. Abdulla , Harin Sellahewa , Sabah A. Jassim

In this digital age, ensuring the security of digital data, especially the image data is critically important. Image encryption plays an important role in securing the online transmission/storage of images from unauthorized access. In this…

Cryptography and Security · Computer Science 2025-03-14 Hansa Ahsan , Safee Ullah , Jawad Ahmad , Aizaz Ahmad Khattak , Muhammad Ali , Muhammad Shahbaz Khan

Digital Photo images are everywhere around us in journals, on walls, and over the Internet. However we have to be conscious that seeing does not always imply reality. Photo images become a rich subject of manipulations due to the advanced…

Cryptography and Security · Computer Science 2021-10-19 Ahmad M. Nagm , Mohamed Torky , Khaled Y. Youssef

Most modern optical display and sensing devices utilize a limited number of spectral units within the visible range, based on human color perception. In contrast, the rapid advancement of machine-based pattern recognition and spectral…

Steganalysis means analysis of stego images. Like cryptanalysis, steganalysis is used to detect messages often encrypted using secret key from stego images produced by steganography techniques. Recently lots of new and improved…

Multimedia · Computer Science 2014-05-21 Tanmoy Sarkar , Sugata Sanyal

A novel framework of optical image hiding based on deep learning (DL) is proposed in this paper, and hidden information can be reconstructed from an interferogram by using an end to end network with high-quality. By using the prior data…

Image and Video Processing · Electrical Eng. & Systems 2020-03-10 Jiaosheng Li , Yuhui Li , Ju Li , Qinnan Zhang , Guo Yang , Shimei Chen , Chen Wang , Jun Li

Digital steganography or data hiding has emerged as a new area of research in connection to the communication in secured channel as well as intellectual property protection for multimedia signals. The redundancy in image representation can…

Cryptography and Security · Computer Science 2012-07-12 Tirtha sankar Das , Ayan K. Sau , V. H. Mankar , Subir K. Sarkar

In recent years, establishing secure visual communications has turned into one of the essential problems for security engineers and researchers. However, only limited novel solutions are provided for image encryption, and limiting the…

Cryptography and Security · Computer Science 2022-04-19 Navid Abapour , Mohsen Ebadpour

In this paper, a word based chaotic image encryption scheme for gray images is proposed, that can be used in both synchronous and self-synchronous modes. The encryption scheme operates in a finite field where we have also analyzed its…

Cryptography and Security · Computer Science 2020-04-06 Amir Daneshgar , Behrooz Khadem

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

Image steganalysis, which aims at detecting secret information concealed within images, has become a critical countermeasure for assessing the security of steganography methods, especially the emerging invertible image hiding approaches.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Hao Wang , Yiming Yao , Yaguang Xie , Tong Qiao , Zhidong Zhao

An adaptive quantum image encryption method based on wavelet transform is designed. Since the characteristic of most information is centralized in the low frequency part after performing the wavelet transform, it reserves the image low…

Quantum Physics · Physics 2019-01-24 Jian Wang , Yacong Geng , Jiqiang Liu

This paper presents a new effective method for image encryption which employs magnitude and phase manipulation using Differential Evolution (DE) approach. The novelty of this work lies in deploying the concept of keyed discrete Fourier…

Cryptography and Security · Computer Science 2011-03-31 Maaly Awad S Hassan , Ibrahim Soliman I Abuhaiba

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

This paper reports a detailed cryptanalysis of a recently proposed encryption scheme based on the logistic map. Some problems are emphasized concerning the key space definition and the implementation of the cryptosystem using floating-point…

Chaotic Dynamics · Physics 2009-11-13 David Arroyo , Rhouma Rhouma , Gonzalo Alvarez , Shujun Li , Veronica Fernandez

The growing demand for real-time data processing in applications such as neural networks and embedded control systems has spurred the search for faster, more efficient alternatives to traditional electronic systems. In response, we…

The analysis of digital images using homological procedures is an outstanding topic in the area of Computational Algebraic Topology. In this paper, we describe a certified reduction strategy to deal with digital images, but preserving their…

Logic in Computer Science · Computer Science 2016-08-11 María Poza , César Domínguez , Jónathan Heras , Julio Rubio

With an increase in mobile and camera devices' popularity, digital content in the form of images has increased drastically. As personal life is being continuously documented in pictures, the risk of losing it to eavesdroppers is a matter of…

Cryptography and Security · Computer Science 2021-07-28 Prutha Gaherwar , Shraddha Joshi , Raviraj Joshi , Rahul Khengare

Image classification is an enthusiastic research field where large amount of image data is classified into various classes based on their visual contents. Researchers have presented various low-level features-based techniques for…

Multimedia · Computer Science 2015-10-09 Khan Muhammad , Irfan Mehmood , Mi Young Lee , Su Mi Ji , Sung Wook Baik

This paper presents a new paradigm for image transmission through analog error correction codes. Conventional schemes rely on digitizing images through quantization (which inevitably causes significant bandwidth expansion) and transmitting…

Multimedia · Computer Science 2011-08-04 Yang Liu , Jing , Li , Kai Xie