提出了图像的变换和量化方案。

This paper mainly describes the transform of image and quantization technique.

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首先给出颜色空间的选择和重量化方案；

First, it presents the selection of color space and an approach of re-quantization.

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此外，本文在此基础上提出了一种相位预测式矢量量化方案，使得女声的语音合成质量有所改进。

Moreover, a predictive phase vector quantizer is proposed in this thesis based on the above method. The synthesis speech is slightly improved for female speakers.

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