The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7468742 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 23, 2008

Filed:

Dec. 02, 2004
Applicants:

Sang-chul Ahn, Seoul, KR;

Hyoung-gon Kim, Seoul, KR;

Ig-jae Kim, Seoul, KR;

Chang-sik Hwang, Seoul, KR;

Inventors:

Sang-Chul Ahn, Seoul, KR;

Hyoung-Gon Kim, Seoul, KR;

Ig-Jae Kim, Seoul, KR;

Chang-Sik Hwang, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses an interactive presentation system which allows a presenter to perform a presentation while having various interactions directly with presentation material images in real time through a gesture or/and voice. The interactive presentation system comprises: an active infrared camera; a command recognition system connected to the active infrared camera; and an image synthesis system connected to the active infrared camera and the command recognition system. The presentation system may further comprises a stereo camera set for properly synthesizing a presenter in a 3D image and a 3D motion system. By this configuration, it is possible to embody an interactive presentation system in which a command through a presenter's gesture or voice is processed in real time and the image of the presenter is synthesized in a presentation material screen in real time, and accordingly the audiovisual effect is maximized.


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Ahn, Sang-Chul. (2008). Interactive presentation system (U.S. Patent No. 7468742). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7468742

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