Digital watermarking
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United States of America Patent
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Jun 22, 1999
Grant Date -
N/A
app pub date -
Nov 5, 1996
filing date -
Nov 5, 1996
priority date (Note) -
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Abstract
Digital watermarking of data, including image, video and audio data, is performed by repeatedly inserting the watermark into subregions or subimages of the data. Similarly, the watermark is repeatedly extracted from the subregions of the data.
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