Aerial imaging steganography method for aerial imaging by retro-reflection with dual acrylic ball

Optical Review - This paper proposes a novel steganography method to show an aerial image that is formed with aerial imaging by retro-reflection by use of dual transparent balls made of acrylic...     

Optimization of blur correction of color images formed with aerial imaging by retro-reflection

Optical Review - We propose a pre-processing method of source image to reduce blur of aerial image that is formed with aerial imaging by retro-reflection (AIRR). In the AIRR optical system,...     

Aerial video-calling system with eye-matching feature based on polarization-modulated aerial imaging by retro-reflection (p-AIRR)

Optical Review - We propose a method to realize video calling with an aerial display using a camera that has a direct view of the speaker's face, but which is not visible to the speaker....     

Formation of multiple aerial LED signs in multiple lanes formed with AIRR by use of two beam splitters

Optical Review - We propose multiple aerial imaging system by use of two beam splitters in the optical system of aerial imaging by retro-reflection (AIRR). The AIRR optical system consists of a...     

Proposal of moire-free aerial display based on the LED panel and apertured retro-reflector

Optical Review - We have realized a novel optical system to form a large aerial image in front of a full-color LED panel that is covered with retro-reflector. The retro-reflector has square...     

Mechanisms underlying inactivation of SARS-CoV-2 by nano-sized electrostatic atomized water particles

Journal of Nanoparticle Research - Co-based materials with optimized adsorption energy of reaction intermediates have become the promising electrocatalyst for enhanced oxygen reduction reaction...     

Improvement of the distortion of aerial displays and proposal for utilizing distortion to emulate three-dimensional aerial image

Optical Review - This paper evaluates the spatial distortion of aerial image and proposes a novel optical design to utilize the distortion as visual expression. Our optical system is based on...     

Improvement of apparent resolution by subjective super-resolution display for aerial display using AIRR

Optical Review - AIRR (Aerial imaging by retro-reflection) can form a large aerial image in mid-air for digital signage. Resolution of the aerial image formed with AIRR is determined mainly by the...     

Improved resolution for aerial imaging by retro-reflection with two transparent spheres

Optical Review - This paper proposes a method to improve the modulation transfer function (MTF) of aerial images by combining an aerial imaging optical system by retro-reflection with conjugated...