It's difficult to detect blindly the image rotation Angle in blind watermarking under geometry attack.
抗几何攻击的盲检测数字水印的难点是图像旋转角度的盲检测。
The experimental results and attack analysis show that the watermark algorithm is robust against some image processing operations, such as JPEG lossy compression , rotation, cropping and noise adding.
实验结果表明该水印算法具有良好的抗JPEG压缩、旋转、裁剪和加噪等常见攻击的能力。
The results of experiment proved that this algorithm is invisible, can efficiently against linear stretching attack, and has better robustness to crop, rotation, noise or filter attack.
实验结果表明,该算法具有较好的不可感知性,可以有效抵抗线性拉伸攻击,并且对于剪切、旋转、噪声,滤波等攻击都具有较强的鲁棒性。
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