| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce a processing load of a content distribution device when a digital watermark is inserted into content without making tolerance low. <P>SOLUTION: The content distribution device includes: a data with digital watermark creation means (digital watermark embedding processing part 13) for creating digital watermark data obtained by embedding digital watermark information in special data included in a plurality of contents in common; a content editing means (content editing processing part 14) for performing collation determination between data included in the content and the special data, when there is match data determined to be equivalent to match, recording positional information of the match data, and deleting the match data from the content to create editing content; and a content distribution means (content distribution processing part 16) for inserting the digital watermark data into the editing content instead of the deleted data, creating and distributing the content with electronic water mark based on information on the match data. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
