A novel nonlinear image encryption scheme based on a fully phase nonzero-order joint
transform correlator architecture (JTC) in the Gyrator domain (GD) is proposed. In this …

A novel nonlinear encryption–decryption system based on a joint transform correlator (JTC)
and the Gyrator transform (GT) for the simultaneous encryption and decryption of multiple …

We present a new experimental system for optical encryption using a nonlinear joint
transform correlator (JTC) to implement the optical security technique of the double random …

In this work, we present a new nonlinear joint transform correlator (JTC) architecture in the
Fourier domain (FD) for the encryption and decryption of two simultaneous images. The …

In this chapter, we present several joint-transform correlator (JTC) architectures for nonlinear
information encryption, decryption and authentication systems. These JTC architectures are …

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 …

In this work, the occlusion and noise test on the encrypted image produced by a joint
transform correlator-based encryption system in the Fresnel domain (FrD) are computed and …

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 paper, the fractional Fourier operators, the random phase masks and the nonlinear
operations of amplitude and phase truncations are utilized to encrypt and decrypt images …