A New Watermarking Technique for Multimedia Protection by Lu, Huang, Sze, Liao

By Lu, Huang, Sze, Liao

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31 Figure 16: Performance of our binary watermark hiding detection under various attacks.

A b Figure 13: unZign attack: a unZign attacked watermarked image; b retrieved watermark. 30 a b c d Figure 14: Combination attacks StirMark+JPEG 5+blurring7  7: a attacked watermarked image; b watermark retrieved from a; c Fig. 14a rotated by 180 ; d watermark retrieved from c. a b Figure 15: Collusion attack  ve watermarked images were averaged: a collusioned attacked image; b retrieved watermark. 31 Figure 16: Performance of our binary watermark hiding detection under various attacks.

A b d c e Figure 12: StirMark attack all default parameters: a StirMark attacked watermarked image 1 time; b distorted mesh caused by StirMark attack; c watermark retrieved from a; d watermarked image attacked by applying StirMark 5 times; e watermark retrieved from d. a b Figure 13: unZign attack: a unZign attacked watermarked image; b retrieved watermark. 30 a b c d Figure 14: Combination attacks StirMark+JPEG 5+blurring7  7: a attacked watermarked image; b watermark retrieved from a; c Fig.

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