I have an image of a retina, I need to calculate the length of each curve, currently I have done it by the curve length method but I have done it in matlab nose if there is an easier way to obtain it?

The image I've been experimenting with is this

1 | initial version |

I have an image of a retina, I need to calculate the length of each curve, currently I have done it by the curve length method but I have done it in matlab nose if there is an easier way to obtain it?

The image I've been experimenting with is this

I have an image of a retina, I need to calculate the length of each curve, currently I have done it by the curve length method but I have done it in matlab nose if there is an easier way to obtain it?

The image I've been experimenting with is this

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