以二值文字图像为待隐藏的秘密信息，以静止图像为隐秘载体。

A literal image was the secret message and a still image was the cover message.

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采用一种新的书写载体和图像采样装置。

Both a new writing carrier and a sampling equipment are used.

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采用一种新的书写载体和图像采样装置。

Both a new writing carrier and a sampling equipment are used.

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