In this work, a new discrete chaotic map is developed from the 1D ICMIC (Iterative Map with
Infinite Collapses) to control the 2D Hénon map. The performances of the proposed discrete …

In this paper, we proposed an iterative attacking algorithm to the pure phase asymmetric
optical cryptosystem based on unequal modulus decomposition. Furthermore, we have …

The research paper introduces an advanced asymmetric biometric image encryption
technique that integrates Quasi-Zernike synthesis (QZS), QR algorithm, and hybrid …

In this paper a new nonlinear discrete chaotic Umbrella map is introduced. Chaotic behavior
of the Umbrella map is investigated using the bifurcation diagrams, Lyapunov exponents …

Iris image encryption is a significant research area in the field of image security. With the
increasing use of iris biometric recognition technology in various applications, it is crucial to …

This paper proposes a new encryption and decryption method for optical and digital double
color-images using 2D-multiple parameter fractional discrete cosine transform (MPFrDCT) …

In this study, a public key image encryption algorithm is proposed based on pixel information
and random number insertion. In the first step, two large prime numbers and the public key …

This paper represents a unique approach to augment the security of iris images by utilizing
twin decomposition techniques in a hybrid transform domain, coupled with a rear-mounted …

In this paper, we have presented an image encryption method in Chirp-Z transform domain
using unequal modulus decomposition (UMD) and modified Gerchberg–Saxton (GS) …

A new algorithm for biometric templates using a 6D-chaotic system, and 2D fractional
discrete cosine transform (FrDCT) is proposed in this paper. In this technique, the biometric …