電子透かし装置及び電子透かしプログラム

Title:

電子透かし装置及び電子透かしプログラム

Document Type and Number:

Japanese Patent JP4079894

Kind Code:

B2

Abstract:

A digital watermarking apparatus for embedding a data in an index color image data, wherein the data is configured by an arrangement of a first data and a second data, and the apparatus has: an allocating unit for allocating the data to values of positions of a color lookup table included in the index color image data; and an adjusting unit for adjusting a value of the color lookup table to which the first data is allocated, to an odd number, and adjusting a value of the color lookup table to which the second data is allocated, to an even number.

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Inventors:

Ryuji Miyamoto

Application Number:

JP2004051107A

Publication Date:

April 23, 2008

Filing Date:

February 26, 2004

Export Citation:

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