You have to put a deep red filter on the lens to increase the contrast.

你还需要在镜头上加一块深红色的滤光镜来提高反差。

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Most commercial digital cameras use a single CCD or CMOS sensor having a color filter array on its surface to get red , green, or blue samples.

大部分消耗型数字相机都采用单片CCD或CMOS图像传感器，并通过一个彩色滤波阵列来实现，因此在每个像素上只能采集红、绿或蓝一种颜色分量。

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Run despeckle filter once on each colour channel (red, green blue).

在各个通道里(红，绿，蓝)，使用滤镜——杂色——去斑(降噪)各一次。

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Instead of having spectacles with a crude red filter for one eye and green for the other, the Real D system relies on circularly polarised light with one lens polarising the light to the left, and the other to the right.

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