Appendix 1—table 3. Average precision obtained for each type of grid square.

Feature type	Small	Cracked	Dry	Contaminated	Good	Partial
Without augmentation	65.7%	71.6%	77.9%	46.7%	77.7%	45.0%
With augmentation	73.4%	76.5%	79.4%	50.41%	81.2 %	45.5%