Optical flow based tilt sensor

Image analysis – Applications – Motion or velocity measuring

Reexamination Certificate

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Details

C348S208100, C715S719000, C715S863000

Reexamination Certificate

active

07379566

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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Notification of Transmittal of the International Search Report and The Written Opinion of the International Searching Authority, or the Declaration, dated Feb. 13, 2007 (10 pages).
Notification Of Transmittal of The International Search Report And The Written Opinion Of The International Searching Authority, Or The Declaration, dated Mar. 27, 2007 (15 pages).

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