Medical images contain significant patient information, and this confidential data should not
be accessed without proper authorisation. Concurrently, due to the high redundancy of …

In this paper, a new two-dimensional discrete hyperchaotic system is proposed. Verification
using the phase-track map, bifurcation map and Lyapunov exponent of the chaotic system …

This paper introduces a highly efficient approach for progressive image secret sharing
through the Discrete Hartley Transform (DHT), offering distinct advantages over existing …

Smart devices for image/video sensing are needed to work within the constraints of limited
bandwidth and low computing capabilities. In this context, Block based Compressive …

Internet of Things (IoT) connects a wide range of small devices over a large network,
allowing for a wide range of applications. With the advancement of open-source public …

Block compressed sensing (BCS) is a promising method for resource-constrained
image/video coding applications. However, the quantization of BCS measurements has …

As the volume of image data increases, optical image encryption algorithms often require
more time and space to operate. To solve the problem, compression is generally used, and …

Medical images contain significant patient information, and this confidential data should not
be accessed without proper authorisation. Concurrently, due to the high redundancy of …

The application of complex measurement matrices in image-compressed sensing (CS) has
attracted significant attention; however, effectively combining their structural, random, and …

Since the beginning of the digital era, there has been an increasing focus on picture security
since it is a crucial medium for the transfer of information. In this regard, the study develops a …