How to convert gray image to HSV plane S - value image?

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elsa chang
elsa chang 2020-1-20
编辑： DGM 2023-12-31
Hi,
Given my image is a gray image and i don't have the rgb image of this gray image, can i know how can i convert this gray image to the HSV colour plane S - value plane image only?
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DGM
DGM 2023-12-31
编辑：DGM 2023-12-31
Consider a cone.
Consider a point P which lies on the central axis of the cone.
What is the distance from P to the nearest point on the central axis of the cone?

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Walter Roberson
Walter Roberson 2020-1-20
编辑：Walter Roberson 2020-1-20
Hsv=rgb2hsv(repmat(YourMatrix, 1, 1, 3));
S = Hsv(:, :, 2) ;
By the way the results are all 0. The h plane is all 0 too.

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