High-capacity steganography: a global-adaptive-region discrete cosine transform approach

T Rabie, I Kamel - Multimedia Tools and Applications, 2017 - Springer
An increasing number of spatial and frequency domain data hiding techniques have been
proposed to address the relatively low embedding capacities of image-based …

Toward optimal embedding capacity for transform domain steganography: a quad-tree adaptive-region approach

T Rabie, I Kamel - Multimedia Tools and Applications, 2017 - Springer
Embedding capacities of steganographic information security systems have remained
relatively low due to the adverse effect on perceptibility, where researchers had to trade-off …

On the embedding limits of the discrete cosine transform

T Rabie, I Kamel - Multimedia Tools and Applications, 2016 - Springer
This paper investigates the embedding capacity limits of high-capacity data hiding in color
images based on a locally Adaptive-Region Discrete Cosine Transform (AR-DCT) frequency …

[PDF][PDF] Image steganography combination of spatial and frequency domain

SV Joshi, AA Bokil, NA Jain, D Koshti - International Journal of …, 2012 - academia.edu
Steganography is the art of hiding data inside a carrier file in such a way that an intruder or
unwanted personnel is unable to detect the presence of data inside the carrier file. Audio …

Enhanced payload and trade-off for image steganography via a novel pixel digits alteration

V Verma, SK Muttoo, VB Singh - Multimedia Tools and Applications, 2020 - Springer
Many high capacity image steganography algorithms have been proposed but at the cost of
lower imperceptibility. To fill the gap, this paper proposes a novel RGB image …

Data embedding in digital images using critical functions

X Liao, Z Qin, L Ding - Signal Processing: Image Communication, 2017 - Elsevier
In this paper,“uniform embedding”(independent of image contents and pixel correlations
while embedding) and “adaptive embedding”(depend on image contents and pixel …

Enhanced high capacity image steganography using discrete wavelet transform and the Laplacian pyramid

T Rabie, M Baziyad, I Kamel - Multimedia Tools and Applications, 2018 - Springer
This paper introduces a high capacity image hiding scheme with enhanced stego image
quality. This new hiding scheme utilizes a multiscale Laplacian pyramid of the cover image …

[PDF][PDF] Randomized embedding scheme based on dct coefficients for image steganography

A Danti, P Acharya - IJCA Special Issue on Recent Trends in Image …, 2010 - academia.edu
Main goal of steganography is to communicate securely in a completely undetectable
manner. It is an art of hiding secret data in an innocently looking dummy container. In the …

Digital image steganography: An fft approach

T Rabie - … Technologies: 4th International Conference, NDT 2012 …, 2012 - Springer
This work describes a framework for image hiding that exploits spatial domain color
properties of natural images combined with spectral properties of the Fourier magnitude and …

Performance enhanced image steganography systems using transforms and optimization techniques

S Uma Maheswari, D Jude Hemanth - Multimedia Tools and Applications, 2017 - Springer
Image steganography is the art of hiding highly sensitive information onto the cover image.
An ideal approach to image steganography must satisfy two factors: high quality of stego …