The image tampering is becoming more and more easily due to powerful image processing software.
随着图像处理软件的普及，数字图像篡改变得越来越容易。
As a most common way of image tampering, copy-move forgery is used to conceal objects or clone regions to produce a non-existing image scene.
复制一移动是最常见的图像伪造方式之一，其目的是通过隐藏或克隆对象来创建新的图像内容场景。
The codes will match if the image is authentic but will be inconsistent if tampering occurred.
若编码一致则图像是原始的，反之，则发生了伪造的行为。
Different images, such as those used in the image above in the 3.0 splash screen, are assigned their own layers, making it easy to work on those images without tampering with other areas of the image.
不同图像，比如那些用在3.0版载入画面的图像，是在分布各自的图层上，使得在不干预图像其他部分的情况下编辑部分图像变简单。
In the experimental phase, image with watermark has been attacked in several ways, such as cropping, scaling, noise, JPEG compression and tampering.
在实验阶段，对嵌有水印的图像进行了剪切、缩放、噪声干扰、JPEG压缩和篡改等攻击实验。
Experiments show that the algorithm has a tampering detecting probability 50% to the gray text image, and the invisibility and robustness works well.
实验表明，该方案对灰度文本图像有50%的篡改检测概率、并具有较好不可见性和一定的鲁棒性。
Experiments show that the algorithm has a tampering detecting probability 50% to the gray text image, and the invisibility and robustness works well.
实验表明，该方案对灰度文本图像有50%的篡改检测概率、并具有较好不可见性和一定的鲁棒性。
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