Pattern detection using an optical navigation device
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United States of America Patent
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Jun 8, 2010
Grant Date -
Apr 19, 2007
app pub date -
Oct 19, 2005
filing date -
Oct 19, 2005
priority date (Note) -
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Abstract
An optical navigation device that is capable of performing pattern detection. An optical navigation device according to the present teachings includes a image sensor that acquires a series of images of a surface and an image buffer for holding a template and a processor that detects a pattern on the surface by comparing the series of images to the template. The form factor of an optical navigation device enables its use as a pattern detection device for a wide variety of patterns on a wide variety of surfaces having a wide variety of forms.
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