It considers the green component and blue component characteristics of original color image. First, green and blue components are transformed in discrete wavelet transformation.
算法考虑了原始彩色图像的绿色分量和蓝色分量的特点,首先将绿色和蓝色分量进行离散小波变换,然后将水印图像进行混沌系统加密预处理,最后将水印序列嵌入在绿色和蓝色分量的具有较大JND值所对应的低频系数上,实现了水印的盲提取。
参考来源 - 基于变换域和HVS的数字水印算法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Experiments show that there is an approximate linearity in quite a large range for the red and green components. The green component is even more active than the red, but the blue is inferior.
实验表明,红、绿分量在相当大的范围内有近似线性,绿分量甚至比红分量的贡献更大,而蓝分量的贡献较小。
Cold compaction ensures that the as-compacted, or "green", component is dimensionally very accurate, as it is moulded precisely to the size and shape of the die.
冷挤压能保证被压制或“未加工”的零件尺寸十分精确,因为它被精确地按模具的尺寸和形状成型。
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