The contractive mappings in the vector space, which is with vector norm are defined by a map on the vector lattice.
在具有向量值范数的实向量空间上,通过引入一个定义在向量格上的特殊映射来讨论压缩映射,并证明相应的不动点定理。
At first, it quantizes the image coefficient vector gotten from DWT with the lattice vector quantization technology, then imbeds the watermark signal into the coefficient.
该算法先通过格矢量量化技术对经d WT变换后的宿主图像的系数矢量进行格矢量量化,然后将水印信号嵌入到量化后的系数中。
Curvilinear font style is a new method of character expression after lattice font style and vector font style.
曲线字型是继点阵字型、向量字型之后的又一种新的字符表示方式。
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