The Gyrator transform (GT), chaotic random phase masks (CRPMs) and a random
permutation of the Jigsaw transform (JT) are utilized to design an images encryption …

We use the fractional convolution, nonlinear operations and random phase masks (RPMs) in
order to encrypt images. The definition used in this paper of the fractional convolution is …

A new nonlinear system for image encryption using the Gyrator transform (GT) and the
truncation operations is proposed in this work. The original image is encoded in phase at the …

In this work we develop a new encryption system for encoded image in phase using the
fractional Hartley transform (FrHT), truncation operations and random phase masks (RPMs) …

Abstract Information security with optical processing, such as the double random phase
encoding and the Gabor transform (GT) has been investigated by various researchers. We …

In this paper we consider the application of the integral transformations for image encryption
through optical systems, a mathematical algorithm under Matlab platform using fractional …

El cifrado de imágenes es diferente de la criptología tradicional, porque tiene presente las
características espaciales, frecuenciales y de redundancia de la imagen a cifrar [1]. En el …