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Adaptive Watermarking Algorithm for Binary Image Watermarks

机译:二元图像水印的自适应水印算法

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This paper proposes an adaptive watermarking algorithm, in which the watermark is a binary image such as a logotype related directly to the image owner. Obviously the information amount of this type of watermark is much larger than the amount of a pseudorandom pattern generated by secret key. This fact makes it difficult to embed a bi-dimensional watermark code into a given image in an imperceptible way. To achieve this goal, we propose an imperceptible adaptive embedding algorithm using the JND (Just Noticeable Difference) criterion. The evaluation results show the desirable features of proposed algorithm, such as the watermark imperceptibility and its robustness against attacks such as: JPEG compression, filtering, and impulsive noise.
机译:本文提出了一种自适应水印算法,其中水印是二进制图像,例如直接与图像所有者相关的标识。显然,这种类型的水印的信息量远大于秘密密钥生成的伪随机模式的量。这一事实使得难以以不可察觉的方式将双维水印代码嵌入给定图像。为实现这一目标,我们提出了一种使用JND(仅明显差异)标准的不可察觉的自适应嵌入算法。评估结果表明了所提出的算法的理想特征,例如水印难以易受性及其对攻击的鲁棒性,例如:JPEG压缩,过滤和脉冲噪声。

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