quantization matrix

基本解释

Then , the coefficients are quantized by quantization matrix.
然后对变换系数应用量化矩阵进行量化。
Step 3, a preset quantization table matrix is utilized to carry out quantization to frequency coefficient data obtained from forward discrete cosine transform;
步骤3，利用预设的量化表矩阵将正向离散余弦转换后得到的频率系数数据进行量化处理；
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This control scheme proposes a visual quantization matrix to weight the discrete cosine transform (DCT) coefficients in order to reduce the coding distortion on the visual perceptibility.
该控制策略采用一个视觉量化矩阵对DCT系数进行加权处理，以减少DCT系数在视觉特性上的编码失真。