Video fingerprinting
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United States of America Patent
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Apr 30, 2013
Grant Date -
Mar 4, 2010
app pub date -
Nov 19, 2007
filing date -
Nov 30, 2006
priority date (Note) -
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Abstract
A method for fingerprinting video comprising identifying motion in a video as a function of time; using the identified motion to create a motion fingerprint; identifying peaks and/or troughs in the motion fingerprint, and using these to create a reduced size points of interest motion fingerprint. Reduced size fingerprints for a plurality of known videos can be prepared and stored for later comparison with reduced size fingerprints for unknown videos, thereby providing a mechanism for identifying the unknown videos.
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