. 2018 Jul 13;9:1024. doi: 10.3389/fpls.2018.01024

Table 2.

Results of counting wheat ears by using different segmentation methods in different illumination conditions.

	Proposed method	Otsu method	MSNC method	Edge-region method
High	R² = 0.99	R² = 0.92	R² = 0.90	R² = 0.92
illumination	SD = 4.07	SD = 15.82	SD = 15.72	SD = 15.82
Medium	R² = 0.99	R² = 0.94	R² = 0.90	R² = 0.85
illumination	SD = 4.07	SD = 13.33	SD = 18.10	SD = 22.05
Low	R² = 0.99	R² = 0.94	R² = 0.90	R² = 0.88
illumination	SD = 4.08	SD = 14.22	SD = 17.29	SD = 18.35
Total result	R² = 0.99	R² = 0.94	R² = 0.90	R² = 0.86
	SD = 4.05	SD = 14.44	SD = 17.21	SD = 20.57