色调和饱和度的投影直方图反映了颜色的空间分布，而亮度的投影直方图则体现了图像的形状。
The projective histograms of hue and saturation discribe the color distribution in space, and the projective histogram of intensity reflects the shape of the image.
色调和饱和度的投影直方图反映了颜色的空间分布，而亮度的投影直方图则体现了图像的形状。
The projective histograms of hue and saturation discribe the color distribution in space, and the projective histogram of intensity reflects the shape of the image.
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