Minimal-latency tracking and display for matching real and virtual worlds in head-worn displays

US11049476B2 · kind B2 · utility

Assignee

• The University of North Carolina at Chapel Hill · US

Inventors

• Henry Fuchs · Chapel Hill, US
• Anselmo A. Lastra · Chapel Hill, US
• John Turner Whitted · Carnation, US
• Feng Zheng · Suzhou, CN
• Andrei State · Chapel Hill, US
• Gregory Welch · Orlando, US

Key dates

• Filing date: Nov 4, 2015
• Grant date: Jun 29, 2021
• Expiry date: Nov 4, 2035

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B2027/0178
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Methods, systems, and computer readable media for minimal-latency tracking and display for matching real and virtual worlds in head-worn displays are disclosed. According to one aspect, a method for minimal-latency tracking and display for matching real and virtual worlds in head-worn displays includes calculating a desired image, calculating an error image as the difference between the desired image and an image currently being perceived by a user, identifying as an error portion a portion of the error image having the largest error, updating a portion of a projected image that corresponds to the error portion, and recalculating the image currently being perceived by a user based on the updated projected image.