Firstly, an adaptive segmentation DCT coding method based on edge information measure is developed.
首先提出了基于边缘信息测度的四叉树自适应分块的DCT压缩算法。
Simulation results reveal that it can achieve better performance than conventional DCT coding scheme and SA DCT method in low bit rate coding.
实验结果证明，在低码率下，使用子带dct对任意形状的VOP进行编码的方法优于传统的DCT方法和SA DCT方法。
In RGB color space, coded one of the three color components of a color image using DCT coding, the other two components only asked the minority several effective coefficients.
算法对其中一个分量进行完整dct变换，对其他两个分量只求少数几个非零系数。
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