Table 5.

Confusion matrix for the clear/crystal/other classifier, representing 13,830 classified images from the validation set

Truth	Machine classification			Total	Recall
	Clear	Has crystal	Other
Clear	2,841	20	26	2,887	0.984
Has crystal	99	1,507	273	1,879	0.802
Other	327	1,132	7,605	9,064	0.839
Total	3,267	2,659	7,904	13,830
Precision	0.870	0.567	0.962