In order to increasing the robustness of the codec, the contribution of adaptive codebook is properly constrained at encoder.
为了增强编解码器的鲁棒性,本文还在编码端采取了控制自适应码书贡献的技术。
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误差图像进行分形矢量量化编码时，使用设计的自适应二维维纳数字滤波器，对收缩的均值图像进行滤波后，可构造好的码书。
When coding the erroneous image by fractal vector quantization, a self-adaptive 2-d wiener digital filter to filtrate the contracted mean value image, which can result into a good quality codebook.
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