For low gray image, the float gray level codes are combined to the binary coded gray levels by the error diffusion method.

然后利用误差扩散方法将浮动灰度编码所包含的低灰度级图像信息融合到用于显示的子场编码中。

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Iain Gray, committee convener, said health boards "should have sufficient information to demonstrate that codes are being used for appropriate reasons".

BBC: MSPs call for more accurate NHS waiting time logs