Optical flow based tilt sensor
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United States of America Patent
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Jul 3, 2012
Grant Date -
Mar 31, 2011
app pub date -
Dec 6, 2010
filing date -
Jan 7, 2005
priority date (Note) -
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Abstract
A method is described for determining a description of motion of a moving mobile camera to determine a user input to an application. The method may involve capturing a series of images from a moving mobile camera and comparing stationary features present in the series of images. Optical flow analysis may be performed on the series of images to determine a description of motion of the moving mobile camera. Based on the determined motion, a user input to an application may be determined and the application may respond to the user input, for example, by updating a user interface of the application.
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