Fig. 7.

Comparison with other methods on different data. Precision versus Recall, dots in dark blue are cf. Dhole et al. [10], ‘e’, ‘m’, ‘h’ and ‘o’ stand for easy, medium, hard and overall, respectively; see Dhole et al. for details. In red, we show our method (SH) on Test-set 1 and the independent Test-set 2 (both complete and selected). In light blue we show SPPIDER on Test-set 2 and Test-set 1 selected. See also Table 1