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. Author manuscript; available in PMC: 2019 Apr 16.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2019 Mar 8;10951:1095120. doi: 10.1117/12.2512799

Figure 2.

Figure 2.

2D slice of a reconstructed 3D iUS image of a Grade III Astrocytoma acquired before opening the dura. Circles indicate the position and scale of image features that were automatically detected using 3D SIFT-Rank [1]. Each feature is characterized by a geo-metry and an appearance which are used to match features in paired images.