A technique for correlating images on head mounted displays with virtual background scenery

Authors:
Sanjeeb Nanda;Rick Pray
Affiliations:
University of Central Florida, Orlando, FL;RPA Electronic Solutions Inc., Binghamton, NY
Venue:
Proceedings of the 47th Annual Southeast Regional Conference
Year:
2009

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Presence: Teleoperators and Virtual Environments

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Abstract

Visual training systems employing high fidelity image generation capabilities have gained immense popularity over the years in a variety of training applications. They offer economy of cost, and precise scenario execution with consistency across unlimited trials. Training systems using head mounted displays (HMD) are a subset of this fast proliferating technology. However, the implementation and use of HMDs poses a number of challenges. A significant one is the problem of correlating the images that are rendered on the HMD's visor in time and space with the background scenery rendered on a projection screen. In this paper we describe a method to solve this problem using Kalman filters, and show the accuracy of its implementation in practice.