INTERACTIVE INPUT SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 12, 2014
filing date -
Mar 14, 2013
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Abstract
A method of determining pointer position in an interactive input system comprises identifying pixels of at least one captured image frame as being associated with coherent light; generating a processed image frame from the identified pixels; and determining from the processed image frame a position of at least one pointer that emits coherent light.
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