Finger's measurements through a image

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Rebecca Brandão
Rebecca Brandão el 5 de Oct. de 2015
Comentada: ThuXin Hlaine el 12 de Oct. de 2018
Hey guys. I have this hand's pic (you can see it bellow) and I'd like to find the "outline" of it (should I use edge detection?). Then, I need to find the higher points, and the lowers too (in this case should I use horizontal derivate to find this?) so I can find the finger's measurements... Can you help me with this?? Do you think that has any other way to find this measurements easier??
Best Regards

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Walter Roberson
Walter Roberson el 5 de Oct. de 2015
rgb2gray, threshold to remove the white area. bwtraceboundaries or else regionprops. You might also want to skeletonize.

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