Category	Indicator	Decision tree	Bayes	KNN	Random forest	Mask R-CNN
Football field	Precision	0.7534	0.8017	0.7831	0.7132	0.9076
Football field	Recall	0.8264	0.8652	0.8564	0.8446	0.9833
Basketball court	Precision	0.7226	0.8313	0.8116	0.7537	0.8767
Basketball court	Recall	0.8451	0.8827	0.8676	0.8512	0.8533
Tennis court	Precision	0.7313	0.7587	0.7392	0.7441	0.9275
Tennis court	Recall	0.8016	0.8414	0.7961	0.8083	0.9411
Baseball field	Precision	0.8361	0.8005	0.8112	0.8278	0.8593
Baseball field	Recall	0.8567	0.8798	0.8465	0.8653	0.9649
Total	mPrecision	0.7608	0.7980	0.7862	0.7594	0.8927
Total	mRecall	0.8324	0.8492	0.8416	0.8423	0.9356