DCT coefficients scrambling DCT系数置乱
dct residue coefficients dct残差系数
AC coefficients in DCT domain DCT域AC系数
Feature vectors are extracted from the re-organized DCT coefficients, and clustered.
在重组的DCT系数中提取特征向量，并对其进行聚类。
DCT coefficients were quantized through nonlinear scalar quantization and entropy coding.
变换系数采用非均匀标量量化和熵编码。
So a hybrid video watermarking scheme based on motion vectors and DCT coefficients is proposed.
提出了一种基于运动矢量域与DCT域的混合视频水印方案。
应用推荐