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image processing problem with matlab

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maziaar83

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Hello

I'm working on a course project, it's about face recognition, my professor has given us this information about skin color :

The hue and saturation domains which describe the human skin color can be defined or estimated a priori and used subsequently as reference for any skin color. In our case we have chosen the parameters as follows:
S(min)=0.23 , S(max)=0.68 , H(min)=0° , H(max)=50°

but in matlab I can not check this information
my image is in RGB so I coverted it to HSV with this command (rgb2hsv) but the pixels parameters are between 0 and 1 and when I open it with imview or imtool in the pixel is written for example R:0.87 G:0.34 B:0.64

Tell me how can I get HSV information of a pixel ?
thanks
 

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