457
Figure 2. Images of different types of ore samples.
Table 1. Observed grade values of iron ore samples corresponding to 53 images.
Sample
ID
Grade
value
Sample
ID
Grade
value
Sample
ID
Grade
value
Sample
ID
Grade
value
Sample
ID
Grade
value
S1
59.71
S13
53.73
S25
29.88
S37
28.47
S49
60.06
S2
64.36
S14
58.35
S26
29.49
S38
32.46
S50
65.87
S3
66.57
S15
68.57
S27
37.07
S39
30.06
S51
59.54
S4
62.32
S16
66.32
S28
36.66
S40
28.08
S52
65.96
S5
67.72
S17
68.00
S29
49.64
S41
30.77
S53
67.96
S6
68.03
S18
65.21
S30
30.89
S42
57.14
S7
61.38
S19
66.20
S31
23.55
S43
68.47
S8
57.76
S20
59.16
S32
15.75
S44
68.80
S9
66.43
S21
63.19
S33
13.82
S45
63.79
S10
67.95
S22
69.54
S34
25.64
S46
66.73
S11
64.63
S23
68.54
S35
22.77
S47
64.67
S12
68.74
S24
66.43
S36
48.51
S48
66.58
S l
S2
S3
S4
S5
S6
S7
S8
S9
S IO
Sll
S12
S14
S IS
S l6
Sl7
SIS
S l9
S20
S2 l
S22
S23
S24
S25
S26
S27
S28
S29
S30
S3 1
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53