Figure 2 | Scientific Reports

Figure 2

From: Asynchronous calibration of quantitative computed tomography bone mineral density assessment for opportunistic osteoporosis screening: phantom-based validation and parameter influence evaluation

Figure 2

Relative error of computed bone mineral density compared to the calculated ground truth values over the different investigated parameters: (A) phantom insert (B) CT scanner (C) tube voltage (D) reconstruction setting. Note the differences in sample sizes for the different parameters (also Table 2).

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