This paper proposes the discrete wavelet transform (DWT) block-based scrambling
algorithm used for medical image encryption which applies the edge maps extracted from a …

This paper presents several techniques used in digital steganography in term of spatial and
transform domain. Additionally, it analyses the performance and the metric evaluation of the …

Steganography surpasses other mechanisms of securing data from potential threats. The
modern digital arena calls for robust information hiding techniques and, thus, it has always …

In today's world of computers everyone is communicating their personal information through
the web. So, the security of personal information is the main concern from the research point …

This paper implements a novel approach for image steganography based on Hidden
Markov Tree (HMT) Contourlet transform. In this paper, the biomedical image considers as a …

Since the number of internet users is increasing and sensitive information is exchanging
continuously, data security has become a problem. Image steganography is one of the ways …

Kesadaran pentingnya keamanan data pada era digital saat ini ditandai dengan
berkembangnya aplikasi keamanan data. Pada penelitian ini akan dilakukan analisis …

Steganography surpasses other mechanisms of securing data from potential threats. The
modern digital arena calls for robust information hiding techniques and, thus, it has always …

In today's world of computers everyone is communicating their personal information through
the web. So, the security of personal information is the main concern from the research point …

As the use of technology escalates, so does the volume of data generated; hence, protecting
data transfer between communication parties has become a necessity. The main …