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. 2020 Jun 30;3:337. doi: 10.1038/s42003-020-1057-3

Fig. 4. Distribution of pairwise Euclidean distances between embeddings of 4500 artificial X-ray images generated from five bones.

Fig. 4

The Triplet network was not trained on any images of these bones. a Pairwise embedding distances between images depicting bones from an angle which did not deviate from the standard anteroposterior or mediolateral (AP/ML) view by more than 4° in any direction. Radiation energy interval: 146–158 keV. b Maximum deviation from AP/ML view: 4°. Radiation energy interval: 140–158 keV. c Maximum deviation from AP/ML view: 7°. Radiation energy interval: 140–158 keV. d Maximum deviation from AP/ML view: 22° around the bone′s longitudinal axis and 4° around an axis perpendicular to image plane. Radiation energy interval: 140–158 keV. e Maximum deviation from AP/ML view: 4° around the bone′s longitudinal axis and 22° around an axis perpendicular to image plane. Radiation energy interval: 140–158 keV. f Maximum deviation from AP/ML view: 22°. Radiation energy interval: 140–158 keV. Overlapping dots are marked green.