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. 2019 Oct 4;8:e48571. doi: 10.7554/eLife.48571

Figure 2. Mean absolute error distribution.

Figure 2.

(A) PCK (percentage of keypoints) accuracy as a function of mean absolute error (MAE) threshold. (B) Evaluating network prediction error in a low data regime. The Stacked Hourglass network (blue circles) shows near asymptotic prediction error (red dashed line), even when trained with only 400 annotated images. After 800 annotations, there are minimal improvements to the MAE. (C) MAE for different limb landmarks. Violin plots are overlaid with raw data points (white circles).