In this study, we propose a new nonlinear optical image encryption technique using spiral
phase transform (SPT). First, the primary image is phase encoded and multiplied with a …

This paper realizes an optical 3D images encryption and reconstruction by employing the
geometric calibration algorithm to the monospectral synthetic aperture integral imaging …

Optical integral imaging (II) uses a lenslet array and CCD sensor as the 3D acquisition
device, in which the multispectral information is acquired by a color filter array (CFA) …

Under the computational integral imaging-based security system, the application of
Deoxyribonucleic Acid (DNA) encoding algorithm will cause silhouettes in the cipher image …

We present a method of securing multispectral 3D photon-counted integral imaging (PCII)
using classical Hartley Transform (HT) based encryption by employing optical interferometry …

This paper proposes a 3D image hiding algorithm with deep learning based demosaicking
and computational integral imaging methods. Compared with the previous color 3D image …

We report a light-field based method that allows the optical encryption of three-dimensional
(3D) volumetric information at the microscopic scale in a single 2D light-field image. The …

A novel encryption protocol for 3D biomedical objects is introduced in this work. This method
consists of two phases which are iteratively applied: the confusion phase and the diffusion …

Spectral imaging involves the sensing of a large amount of spatial information across a
multitude of wavelengths. Conventional approaches rely on scanning techniques to …

We present a novel technique for 3D object hiding by applying three-dimensional
ptychography. Compared with 3D information hiding based on holography, the proposed …