You can get the line endpoints and count their occurence, which gives you the node valence:
That’s the method I used for the work presented in this paper, which also includes a few more post-processing methods for reducing the medial axis:
You can get the line endpoints and count their occurence, which gives you the node valence:
That’s the method I used for the work presented in this paper, which also includes a few more post-processing methods for reducing the medial axis: