Table 4.

Hold-out test set average boll count with std. deviation for the five models of each method. These images represent the entire plant under various conditions.

Image ID	Boll_008	Boll_022	Boll_041	Boll_116	Boll_127
Actual Count	41	34	100	20	22
S-Count	43.6 ± 4.22	41.8 ± 11.12	87.8 ± 7.50	16.4 ± 1.67	21.4 ± 1.67
WS-Count	48.2 ± 1.31	40.2 ± 3.49	86.4 ± 2.79	23.2 ± 1.48	18.8 ± 1.30
CountSeg	37.8 ± 2.49	34.2 ± 0.84	81.8 ± 3.56	17.0 ± 0.00	18.0 ± 1.414
Mask R-CNN	46.0 ± 6.16	34.8 ± 1.90	89.0 ± 3.94	17.2 ± 0.84	21.2 ± 0.45