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. 2022 Sep 14;17:414. doi: 10.1186/s13018-022-03314-y

Fig. 1.

Fig. 1

Region delineation and trabecular bone segmentation. a Four regions of interests (ROIs) were segmented from knee joint MR images named medial femoral condyle (MF), lateral femoral condyle (LF), medial tibial plateau (MT) and lateral tibial plateau (LT). b Obtained trabecular bone segmentation at the lateral femur. From left to right: binarized using adaptive threshold; after the distance transformation; after moving redundant pixels, which was obtained by multiplying the second one with the morphological skeletons