而且增强了图像数据的动态范围。
灰度线性变换法能够加大图像动态范围，增强高通滤波法能够增强图像的精细结构。
We can expand dynamic range using grey linear transformation, and make fine structures improved using enhanced high -pass filtering method.
LED背光技术不仅显著增强了LCD显示的动态范围，同时使现有图像达到了更逼真的显示效果。
LED backlight technique dramatically enhances the dynamic range of an LCD display and hence extends its ability to present images with high reality.
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