This article analyzes such Characteristics as sensitivity, fog density and contrast of the colour positive.

分析了彩色正片的感光度、灰雾度和灰差度等特性；

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The method can smooth the fog density map and preserve large jumps along edges, which may make the estimated fog density map more accurately.

该方法既能平滑尘雾浓度图，又能很好地保留场景深度发生突变的边缘，使估计出的尘雾浓度图更加精确。

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The method can smooth the fog density map and preserve large jumps along edges, which may make the estimated fog density map more accurately.

该方法既能平滑尘雾浓度图，又能很好地保留场景深度发生突变的边缘，使估计出的尘雾浓度图更加精确。

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