Method and apparatus for tracking pirated media
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United States of America Patent
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Issued Date -
Dec 7, 2006
app pub date -
Jun 6, 2006
filing date -
Jun 7, 2005
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Abstract
Pirated copies of various types of media are analyzed to detect various artifacts that may be missing from the originals. These artifacts are then used to identify and trace pirated copies for forensic studies. The artifacts may include global artifacts that are present throughout media, or could be local or special artifacts that are present only in a small portion of the media. Moreover the artifacts can be at least one of an audio event, a visual event, a visual watermark or an audio watermark.
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