Existing radiometric compensation methods are based on the assumption that the projection surface (screen) is Lambertian, i.e. there exists no specular reflection. Thus the methods cannot be applied to non-Lambertian surfaces which are ubiquitous in our everyday environment. In this paper, we try to faithfully display an image onto non-Lambertian surfaces using multiple overlapping projectors a...

aim: this study aimed to assess the relationship of screen time and metabolic syndrome (mets) among iranian adolescents. materials and methods  in this nationwide study, the propensity score (ps) was used in a matched case-control study design. the data was obtained from 5,625 students aged 10-18 years, who participated in a national school-based surveillance program. mets was defined according...

In recent years, projection device which has advanced its miniaturization and price reduction are attracted as display device against a backdrop of high needs for wide and high-definition screen. However, the expression of projector on non-special screen causes geometric problems of distorted expression caused by a surface shape of the screen and a positional relation among devices. To solve th...

This paper discuss an image presenting method that projects information on an inner wall of a car in order to raise safety by using RPT(Retro-reflective Projection Technology). In previous research, we can see through the rear seat which is covered with retro-reflective material as a screen and recognize directly backward of a car. In this paper, we propose a projection optical system for binoc...

Projection-augmented models are a type of non-immersive, coincident haptic and visual display that uses a physical model as a three dimensional screen for projected visual information. Supporting two sensory modalities consistently should create a strong sense of the object’s existence. However, conventional measures of presence have only been defined for displays that surround and isolate a us...

Selecting a map projection for a visualization is a challenging problem, as different projections are better suited for different purposes, and in particular for different scales. We implemented as an extension to D3 a recent paper on the topic, which produces a composite projection between zoom levels and latitudes. The implementation ensures that a reasonable projection is chosen for any give...

The University of Southern California and its collaborative research partner, Fakespace Labs, are participating in a number of research programs to invent and implement new forms of display technologies for immersive and semi-immersive applications. This paper briefly describes three of these technologies and highlights a few emerging results from those efforts. The first system is a rear proje...