Count number of scars bordering a given scar (complexity)

[crangelsmith]

We could use contour intersection to get bordering contours?

https://stackoverflow.com/questions/55641425/check-if-two-contours-intersect

[crangelsmith]

Another idea to detect complexity of the surface. https://answers.opencv.org/question/228567/checking-for-numbers-of-blood-vessels-junctions-detected/

[crangelsmith]

Another idea:

https://stackoverflow.com/questions/41705405/finding-intersections-of-a-skeletonised-image-in-python-opencv