色彩分层是一种传统，因为任何真正的岩石将有多个颜色或色调进行。

Layering of colors is the norm, since any real rock will have multiple colors or shades going on.

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把原始图像分层，对每层分别提取底层特征，计算显著性特征，包括亮度显著性、饱和度显著性和色彩显著性。

And then for every layer, basic characteristics were extracted, and saliency characteristics including intensity saliency, saturation saliency and color saliency were calculated.

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把原始图像分层，对每层分别提取底层特征，计算显著性特征，包括亮度显著性、饱和度显著性和色彩显著性。

And then for every layer, basic characteristics were extracted, and saliency characteristics including intensity saliency, saturation saliency and color saliency were calculated.

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