Method of Personalization of Photopolymer Security Holograms Based on Recording Hidden Encoded Digital Images

Optics and Spectroscopy - The scope of problems of embedding personal data when copying holograms on a photopolymer substrate with the maximum preservation of the region of a hologram during its...     

Pinhole Model Measurement Errors Compensation in 3D Scanners

Optics and Spectroscopy - Pinhole model measurement errors in 3D triangulation based scanners is studied in the present work. Pupil aberrations of the scanner lenses are shown to cause noticeable...     

A Mathematical Model of Laser Radiation Propagation in Seawater

Optics and Spectroscopy - Based on the well-known models of optical properties of a seawater layer in the spectral range of 530–550 nm, a mathematical model of the propagation of laser...     

Experimental Investigations of a Model of the Human Visual System

Optics and Spectroscopy - The basic principles of a multichannel model of the visual system of a human that functions as an operator performing surveillance on images formed by optoelectronic...