METHOD AND APPARATUS FOR RECOGNIZING OBJECTS

Title:

METHOD AND APPARATUS FOR RECOGNIZING OBJECTS

Document Type and Number:

WIPO Patent Application WO2003073359

Kind Code:

A3

Abstract:

One or more objects are classified and/or recognized from a scene based on a depth difference between surface regions of the object(s) and a reference. First, a depth image of a scene with no object is acquired (410). Then, an event is detected in order to trigger classification (420). The depth image of the scene with the object present is acquired (430), and the difference between the two images is obtained (440). Feature(s) are extracted from the difference image (450, and the object is classified based on the extracted features (460).

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Inventors:

GOKTURK SALIH
SPARE JAMES
RAFII ABBAS

Application Number:

PCT/US2003/005956

Publication Date:

November 06, 2003

Filing Date:

February 26, 2003

Export Citation:

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Assignee:

CANESTA INC (US)

International Classes:

G06K9/00; G06K9/46; G06T7/00; (IPC1-7): G06K9/00

Foreign References:

US5983147A	1999-11-09
US5737083A	1998-04-07
US6188777B1	2001-02-13
US6480616B1	2002-11-12
US5835613A	1998-11-10

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