Optical correlators are efficient optical systems that have gained a wide range of
applications both in image recognition and encryption, due to their special properties that …

In this paper, we propose a high performance optical encryption (OE) scheme based on
computational ghost imaging (GI) with QR code and compressive sensing (CS) technique …

In this paper, a novel information encryption scheme has been proposed based on the
customized data container, where the primary information can be recovered completely from …

The security of the data becomes the main concern due to the quick rise in the exchange of
data over the open networks and the Internet. The cryptographic techniques based on chaos …

This paper proposes a new color image encryption system based on compressed sensing
and multi-image cross pixel scrambling approach. In the encryption process, firstly, the color …

Optical image encryption system based on joint Fresnel transform correlator is
experimentally researched. Factors affecting decrypted image quality are analyzed, and …

In optical encryption systems, speckle noise is one major challenge in obtaining high quality
decrypted images. This problem can be addressed by employing a QR code based noise …

Recent advances indicate that optical encryption can be used not only for signal secrecy but
also for information authentication. By integrating optical encryption with a sparsity …

Optical image encryption, especially double-random-phase-based, is of great interest in
information security. In this work, we experimentally demonstrate the security and feasibility …

The diffractive-imaging-based encryption (DIBE) scheme has aroused wide interesting due
to its compact architecture and low requirement of conditions. Nevertheless, the primary …