Table 2.
True Rotation Degree θ0(°) | LF result θ1 (°) | LF Accuracy (%) | RT result θ2 (°) | RT Accuracy (%) |
---|---|---|---|---|
30 | 30.11 | 0.4 | 30 | 0.0 |
60 | 59.9 | −0.2 | 60 | 0.0 |
90 | 94.2 | 4.7 | 92 | 2.2 |
120 | 120.51 | 0.4 | 120 | 0.0 |
150 | 150.31 | 0.2 | 150 | 0.0 |
180 | 180.17 | 0.1 | 180 | 0.0 |
Column one is the rotated degrees of Figure 4 from the prescribed principal direction. Columns two and four are, respectively, the principal directions computed by the LF and RT algorithms. The accuracies (θ1−θ0)/θ0 are listed in columns three and five as percents.