Table 20 Control group image recognition results.

From: Research on the optimization of optimal blasting parameters and fragmentation control based on coal seam geological conditions

Section No

Final coal rate (%)

Lump coal rate (%)

Large diameter lump coal rate (%)

Large caliber (%)

1

29.87

27.26

32.44

10.43

2

30.49

27.32

30.98

11.21

3

28.69

29.36

32.08

9.87

4

31.05

28.49

30.01

10.45

5

30.38

28.89

30.10

10.63

6

29.25

29.71

29.93

11.11

7

30.95

27.98

30.74

10.33

Average

30.10

28.43

30.90

10.57

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