Input devices using infrared trackers

Details Input devices using infrared trackers Input devices using infrared trackers

2006-06-20

2006-06-20

Nguyen, Jimmy H. (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C382S103000

Reexamination Certificate

active

07064742

ABSTRACT:
An interaction/input device for use in systems utilizing infrared video-based trackers is provided. The interaction/input device is employed by placing markers, e.g., small retroreflective disks, in a predetermined configuration on a planar surface to simulate physical buttons. Once in view of the infrared tracker, the system will recognize the predetermined configuration as the input device which can then be physically manipulated by the user. The user will put their fingers on one of these markers or disks, and in turn, the infrared video-based tracker will recognize this action and process it accordingly. Optionally, an augmented reality system employing the input device of the present invention can also augment simulated menus in the user's view, via a head-mounted display, giving the user the necessary feedback for interaction. By exploiting conventional tracking technology, the interaction/input device can be implemented with minimal additional hardware and minimal additional processing required by the system.

REFERENCES:
patent: 5591972 (1997-01-01), Noble et al.
patent: 5856844 (1999-01-01), Batterman et al.
patent: 6353428 (2002-03-01), Maggioni et al.
patent: 6625299 (2003-09-01), Meisner et al.

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