POINTING-DIRECTION DETECTING DEVICE AND ITS METHOD, PROGRAM AND COMPUTER READABLE-MEDIUM
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United States of America Patent
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Issued Date -
Mar 5, 2015
app pub date -
Feb 24, 2014
filing date -
Sep 5, 2013
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Abstract
The present invention provides a pointing-direction detecting device, comprising an image capturing unit for capturing a user's image to acquire the user's skeleton data in the world coordinate system; and a processing unit connected to the image capturing unit. The processing unit comprises an image analyzing module and a pointing-direction analyzing module. The image analyzing module acquires the skeleton data from the image capturing unit and captures an upper limb image of the skeleton data to obtain respectively a hand-terminal region and an elbow or shoulder region. The pointing-direction analyzing module obtains the hand-terminal region and the elbow or shoulder region from the image analyzing module to identify through calculation a hand-terminal position and an elbow or shoulder position, obtaining a pointing-direction vector from the hand-terminal position and the elbow or shoulder position for calculating the intersection of the extension of the pointing-direction vector and the target plane.
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