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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: IEEE Trans Med Imaging. 2018 Aug 30;38(2):596–607. doi: 10.1109/TMI.2018.2868045

Fig. 2.

Fig. 2.

Examples of local surface geometry oriented axes and their resulting locally-oriented image patches. We compare the oriented patches to their corresponding canonical image patches oriented along the image axes. The segmentation surface S and the local surface geometry define a local orthonormal basis for the oriented image patch specified by the normal direction n and directions of principal curvature k1, k2. For illustration purposes, we show a large patch size of 33 × 33 × 33 and display the central slice.