Automatic display update of still frame images for videoconferen

Details Automatic display update of still frame images for videoconferen Automatic display update of still frame images for videoconferen

1997-04-09

1999-11-23

Tung, Bryan

Television

Two-way video and voice communication

User positioning

353121, 345330, H04N 714

Patent

active

059909315

ABSTRACT:
A method and apparatus to be used for videoconferencing when the presentation is to include displays of documents or other visuals. A camera is focused on the document and detects when the document is being handled by the presenter. It automatically determines when to initially display the document, as well as when to update frames of data representing the document.

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patent: 4965753 (1990-10-01), Kraemer
patent: 5428417 (1995-06-01), Lichtenstein
patent: 5719643 (1998-02-01), Nakajima
patent: 5754700 (1998-05-01), Kuzma
patent: 5767897 (1998-06-01), Howell

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