求翻译：对于暗区域的反差拉处理,如果采取分段处理的方式,会导致过度区域存在明显的分割痕迹,为了不产生这些痕迹,选取平滑函数进行拉伸处理是什么意思？

Pull handle for the contrast of the dark region, to take the multipart handling will lead to excessive regional presence of traces of segmentation, in order not to produce these traces, choose a smooth function for stretch processing

In contrast the dark areas, drop-down sub-paragraph If you take the way will lead to an excessive area there is a clear segmentation marks, in order to not have these marks, select Smooth functions for extrusion processing

Pulls processing regarding the dark region contrast, if adopts the staging treating the way, can cause excessively the region existence obvious division trace, in order to does not produce these traces, the selection smooth function carries on stretch processing

For the contrast of the dark area, if a segmented approach, can result in excessive region there are obvious signs of segmentation, in order not to have these marks, select stretch with a smooth function

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