How to calculate the Euclidean distance between two points in image?

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romdhane hamida on 9 Feb 2018

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https://in.mathworks.com/matlabcentral/answers/381685-how-to-calculate-the-euclidean-distance-between-two-points-in-image

Answered: KSSV on 9 Feb 2018

lung.jpg

I am trying to segment the lobes in CT thoracic images.To segment the lobes, it is necessary to find the fissure. There are several steps to do it. I blocked in the calculation of Euclidean distance. Here is the formula: DE = DBW-DW Where DE = Distance between the boundary and the centre point of the empty region. DBW = Distance between the boundary and the centre point of the reference region. DW = Distance between the boundary and centre point of the non empty region. I have attached the image where I want to calculate the distance.