Table 4 Matching experimental data results for different scales.
From: Research on efficient matching method of coal gangue recognition image and sorting image
Scale (α) | 0.3\(\:{\upalpha\:}\) | 0.\(\:5{\upalpha\:}\) | 0.7\(\:{\upalpha\:}\) | 0.9α | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
P/% | R/% | T/ms | P/% | R/% | T/ms | P/% | R/% | T/ms | P/% | R/% | T/ms | |
MatchNet | 86.2 | 88.2 | 85 | 89.5 | 88.9 | 103 | 90.9 | 90.5 | 126 | 92.1 | 93.1 | 131 |
D2-Net | 92.1 | 92.5 | 98 | 92.8 | 93.1 | 128 | 93.2 | 92.8 | 171 | 93.6 | 93.6 | 188 |
SP-SG | 94.1 | 94.3 | 40 | 94.5 | 94.6 | 62 | 95.9 | 94.9 | 73 | 96.4 | 96.8 | 82 |
LR-SG | 91.8 | 92 | 49 | 92.6 | 92.7 | 68 | 92.8 | 92.9 | 76 | 93.5 | 93.9 | 87 |
DBSCAN-SG | 92 | 92.1 | 38 | 92.5 | 92.8 | 56 | 93.7 | 93.9 | 63 | 94.2 | 94.4 | 79 |
IMSSP-Net | 97.8 | 98 | 44 | 97.9 | 97.2 | 64 | 98.2 | 98.4 | 77 | 98.5 | 98.8 | 84 |