Objective: Computer digitally expresses the average grey scale values and color point percentages in normal and cirrhotic livers before and after Levovist enhancement.

目的：用计算机数字化表达利声显增强前后正常肝和肝硬化平均灰度值和彩点百分比。

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For regions with high grey-scale level or with tensely variable grey level, the image enhancement coefficients shall be adaptively controlled based on local mean value and variance.

针对图像中的高灰度区和灰度剧变区，应用图像局部均值和方差自适应调节增强系数。

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A variable parameter value rolling grey forecasting model (RGM) is constructed, which makes an enhancement to the fixed parameter value RGM.

在固定参数动态灰色预测模型基础之上进行改进，提出了可变参数动态灰色预测模型。

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Its exceptionally sophisticated 10-bit video digital signal processing provides for adaptive de-interlacing of both SD and HD sources, edge enhancement without ringing, and uniquely adaptive noise reduction, as well as extensive color and grey level calibration.

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