Using Chromo-coded light fields for augmented reality

PubDate: July 2018

Teams: Washington University in St. Louis

Writers: Ian Schillebeeckx; Robert Pless

PDF: Using Chromo-coded light fields for augmented reality

Abstract

The light field, or plenoptic function, is a mathematical construct that models the location and direction of light to describe the complete visual appearance of a scene. The light field provides a unifying construct to describe cameras and displays. Explicitly manipulating the light field is an approach to changing the world to make it easier to understand. One way to create light fields is with materials like lenticular arrays, whose color appearance can be made to vary by viewing angle. These Chromo-coded light fields use color to create additional geometric cues, making it cheaper, faster and more accurate to measure object pose. For high-end applications like augmented reality, the color-cues make it possible to accurately measure pose of small objects to project digital content. This poster offers demonstrations of a few augmented reality applications made possible by chromo-coded light fields.