Illumination Estimation using Cast Shadows for Realistic Augmented Reality Applications



Illumination Estimation using Cast Shadows for Realistic Augmented Reality Applications

Illumination Estimation using Cast Shadows for Realistic Augmented Reality Applications
Research Paper / ISMAR / Oct 2017 / Immersive/AR/VR/MR, Computer Vision

Augmented Reality (AR) scenarios aim to provide realistic blending between real world and virtual objects. A key factor for realistic AR is thus a correct illumination simulation. This consists in estimating the characteristics of real light sources and use them to model virtual lighting. In this paper, we briefly introduce a novel method for recovering both 3D position and intensity of multiple light sources using detected cast shadows. Our algorithm has been successfully tested on a set of real scenes where virtual objects have visually coherent shadows.