To restore the lost synchronism, a novel method to estimate the geometric operation using sifted Scale-Invariant Feature Transform (sift) was proposed.
为了恢复已失去的同步信息，提出一种基于筛选尺度不变特征估计几何攻击参数的数字水印算法。
To restore the lost synchronism, a novel method to estimate the geometric operation using sifted Scale-Invariant Feature Transform (sift) was proposed.
为了恢复已失去的同步信息，提出一种基于筛选尺度不变特征估计几何攻击参数的数字水印算法。
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