Embedded data windows in audio sequences and video frames
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United States of America Patent
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Issued Date -
Jul 1, 2004
app pub date -
Jun 23, 2003
filing date -
Jun 29, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides steganographic data hiding systems and methods in which identification data is embedded in video so as to be below human perception. The identification data is embedded to be visually perceptible when the video is examined on a frame-by-frame basis. The identification data is steganographically hidden since the identification data is embedded in selected frames over time at a low repetition rate--causing the identification data to be imperceptible during real-time viewing of the video. Related systems and methods are provided for audio.
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