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. Author manuscript; available in PMC: 2022 Sep 6.
Published in final edited form as: ACM Trans Spat Algorithms Syst. 2022 Feb 12;8(2):14. doi: 10.1145/3502221

Fig. 7.

Fig. 7.

Structured index. (a) Vessel skeleton. The yellow dots are skeleton points. (b) A vessel structure. (c) Illustration of AABB tree on a subset of vessel facets. Tree is constructed via a bottom-up approach.