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Calculate HSV histogram of a coloured image is it diiferent from H-S histogram?

I want to calculate HSV histogram of a image . In opencv online guide i found H-S histogram . what effect has V on illumination? Are HSV and H-S are same (means to say V has no effect on illumination)?

Calculate HSV histogram of a coloured image is it diiferent different from H-S histogram?

I want to calculate HSV histogram of a image . In opencv online guide i found H-S histogram . what effect has V on illumination? Are HSV and H-S are same (means to say V has no effect on illumination)?

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updated 2013-11-15 12:35:23 -0600

berak gravatar image

Calculate HSV histogram of a coloured image is it different from H-S histogram?

I want to calculate HSV histogram of a image . In opencv online guide i found H-S histogram . what effect has V on illumination? Are HSV and H-S are same (means to say V has no effect on illumination)?