Based on introducing overlapping base matrix, the general calculating formula for the coefficient vector of windowed all-phase equivalent FIR filter is proposed.
在引入重叠基矩阵的基础上,提出了加窗全相位等效f IR滤波器系数向量的计算通式。
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。
Firstly, the image is projected on to the orthogonal basis of SVDQ, then the projection coefficient vector is used as algebraic feature of image and applied to recognition.
该方法将图像投影到SVDQ的各个正交基上,得到投影系数向量。将此向量作为图像的代数特征并用于彩色图像识别中。
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