Digital watermarking compressed video captured from aerial sensors
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United States of America Patent
Stats
-
Jan 19, 2010
Grant Date -
Mar 8, 2007
app pub date -
Aug 17, 2006
filing date -
Mar 5, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Digital watermarking technology is used in conjunction with compressed video captured from aerial, unmanned apparatus, such as satellites and aircraft. One implementation includes a method of capturing video depicting at least a portion of the earth's surface, the video captured by an aerial, unmanned apparatus; compressing the captured video; and hiding a first digital watermark in the compressed captured video through alterations to data representing the compressed video. The first digital watermark is generally imperceptible to a human observer of the video. And the digital watermark has a plural-bit payload including at least geographical metadata associated with the captured video. Other implementations are also provided.
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