Fig. 5 | Scientific Reports

Fig. 5

From: Noninvasive estimation of internal spinal alignment in patients with adolescent idiopathic scoliosis using PCdare and back shape asymmetry

Fig. 5

(a) Original (red) and mirrored (green) point clouds and (b) cropped (red) and mirrored cropped (green) point clouds after applying an iterative closest point algorithm (ICP) for upright standing, Adam’s forward bending test, and lateral bending. After mirroring, cropping, and ICP, the asymmetry index was computed as the RMSE value between cropped and mirrored cropped point clouds. This asymmetry index was then used to estimate the primary Cobb angle.

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