... 离散余弦转换系数 DCT coefficient 离散式弦转换 DCT(Discrete Consine Tansform) 直接拨号系统 DDS(Direct Dialing System) ...
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DCT coefficient residue DCT残差系数
DCT Coefficient Error DCT系数误差
DCT coefficient distribution DCT系数分布
high-frequency dct coefficient 高频dct系数
dct ac coefficient dct交流系数
DCT high frequency coefficient DCT高频系数
DCT based robust watermarking technique is to adjust the DCT coefficient to watermark.
基于DCT变换的鲁棒性水印方法是通过调整dct系数来嵌入水印信息的。
The meaningful gray image is serially processed into watermark signal and embedded into the DC elements of the block DCT coefficient matrix of the host image.
该算法是先对有意义的灰度图像进行水印序列化处理后，再将其作为水印信号嵌入到载体图像的分块DCT系数直流分量里。
Using this conclusion and considering the characteristic of grating projective images, the paper creates the 0-1 value mask to compress the DCT coefficient matrix.
利用此结论创建用于压缩的二值掩模矩阵，并对光栅投影图之一的位相图进行基于离散余弦变换的压缩。
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