In the proposed watermark-checking algorithm,the geometric transforms and corresponding matching method are applied for geometric transformed images in order to recover them for watermark-checking.
将数字水印信息隐藏在DGT的低频系数中,在水印的检测算法中采用了几何变换及与其相配套的匹配技术,将有几何形变的图像反变换恢复,再通过DGT进行检测。
参考来源 - 基于Gabor变换的一种有效的图像水印技术·2,447,543篇论文数据,部分数据来源于NoteExpress
It transforms the symbolic into the geometric, enabling researchers to observe their simulations and computations.
视觉化把符号信息转换为几何信息,使得研究者能够观察自己的模拟和计算过程。
It transforms the geometric constraint solving into the numerical optimization solving.
将几何约束问题转化为数值优化问题。
Multidimensional scaling (MDS) is a data analysis technique that transforms proximity information into geometric information.
多维标度技术是一种把实体间相似性信息转换成空间几何信息的数据分析技术。
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