It can authenticate the possession of originality data that have embedded a secretinformation - watermarks.

它通過在原始數(shù)據中嵌入秘密信息──水印(watermarks)來證實該數(shù)據的所有權歸屬.

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Digital watermarks have also find its usage in secret communication communication counterwork.

數(shù)字水印技術在隱蔽通信及其對抗等領域中也具有非常重要的用途.

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For many digital image watermarks, geometric distortions are their weakness.

幾何變換攻擊一直是許多數(shù)字圖像水印的薄弱環(huán)節(jié).

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Dates, photo details and other EXIF information can be added as watermarks.

日期, 照片的細節(jié)和其他EXIF信息,可以增加一條,作為水印.

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The watermarks are robust against LSB and crop attack.

可以抵抗LSB攻擊和剪切攻擊.

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According to zero - watermarking, a zero - embedding algorithm for multiple watermarks was proposed based on wavelet and chaos.

摘要根據零水印概念, 提出一種基于小波和混沌的多重水印零嵌入算法.

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Following the synchronous valleys, the additive synchronous approach was adopted to locate the usable watermarks.

緊隨著各峽谷的是外同步技術,用于確定可用水印.

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The original images and watermarks are transformed into a multi - frequent image to be embedded in watermark.

這種算法充分利用小波變換的特點,把原始圖象和水印分解成多頻段的圖象來嵌入水印.

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Security paper: Paper incorporating features , such as watermarks , etc, which make counterfeiting difficult.

保密紙: 有著難以仿制的特征, 如水印等的紙張.

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Artists and other creative professionals may consider using their work samples as watermarks.

藝術家或者其他有創(chuàng)意的專業(yè)人員可以嘗試使用他們的作品作為水印圖案.

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Experimental results show that the visually identical and the watermarks also successfully survive after many attacks.

實驗結果表明,算法在滿足一定的不可感知性的前提下,能夠有效地抵抗多種高強度的攻擊.

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