Teleconferencing imaging system with automatic camera steering

Details Teleconferencing imaging system with automatic camera steering Teleconferencing imaging system with automatic camera steering

1995-06-30

1997-11-11

Britton, Howard W.

Television

Panoramic

348 15, 348 53, 348214, 348580, H04N 718

Patent

active

056869576

ABSTRACT:
An automatic, voice-directional video camera image steering system specifically for use for teleconferencing that electronically selects segmented images from a selected panoramic video scene typically around a conference table so that the participant in the conference currently speaking will be the selected segmented image in the proper viewing aspect ratio, eliminating the need for manual camera movement or automated mechanical camera movement. The system includes an audio detection circuit from an array of microphones that can instantaneously determine the direction of a particular speaker and provide directional signals to a video camera and lens system that provides a panoramic display that can electronically select portions of that image and, through warping techniques, remove any distortion from the most significant portions of the image which lie from the horizon up to approximately 30 degrees in a hemispheric viewing area.

REFERENCES:
patent: 4264928 (1981-04-01), Schober
patent: 4980761 (1990-12-01), Natori
patent: 5508734 (1996-04-01), Baker

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