From: Two-layer similarity fusion model for cover song identification
 | Combination of HPCP and MLD |  | Combination of BSC and CPCP | ||||||
---|---|---|---|---|---|---|---|---|---|
 |  | TNR | CA (%) | ACA |  |  | TNR | CA (%) | ACA |
DB801 | 2L-Best1 | 0.468 | 99.7718 | 0.7340 | Â | 2L-Best1 | 0.417 | 99.7715 | 0.7081 |
 | 2L-HPCP-Best1 | 0.420 | 99.7692 | 0.7100 |  | 2L-BSC-Best1 | 0.401 | 99.7662 | 0.7003 |
 | 1L-HPCP-QD [32] | 0.420 | 99.7672 | 0.7100 |  | 1L-BSC-QD | 0.401 | 99.7662 | 0.7003 |
 | 1L-MLD-QD | 0.157 | 99.6891 | 0.5785 |  | 1L-CPCP-QD | 0.063 | 99.6604 | 0.5316 |
 | [26] | 0.359 | 99.7541 | 0.6795 |  | [26] | 0.359 | 99.7541 | 0.6795 |
 | [24] | 0.456 | 98.8105 | 0.7230 |  | [24] | 0.456 | 98.8105 | 0.7230 |
 | PSO | 0.279 | 99.7289 | 0.6395 |  | PSO | 0.242 | 99.7218 | 0.6208 |
 | [31] | 0.114 | 99.6749 | 0.5570 |  | [31] | 0.089 | 99.6689 | 0.5446 |
DB799 | 2L-Best1 | 0.486 | 99.7729 | 0.7425 | Â | 2L-Best1 | 0.370 | 99.7778 | 0.6847 |
 | 2L-HPCP-Best1 | 0.431 | 99.7710 | 0.7155 |  | 2L-BSC-Best1 | 0.355 | 99.7450 | 0.6774 |
 | 1L-HPCP-QD [32] | 0.431 | 99.7710 | 0.7155 |  | 1L-BSC-QD | 0.355 | 99.7450 | 0.6774 |
 | 1L-MLD-QD | 0.166 | 99.7020 | 0.5830 |  | 1L-CPCP-QD | 0.058 | 99.6741 | 0.5291 |
 | [26] | 0.347 | 99.7541 | 0.6735 |  | [26] | 0.347 | 99.7541 | 0.6735 |
 | [24] | 0.408 | 98.7142 | 0.6985 |  | [24] | 0.408 | 98.7142 | 0.6985 |
 | PSO | 0.259 | 99.7360 | 0.6295 |  | PSO | 0.288 | 99.6281 | 0.6435 |
 | [31] | 0.112 | 99.6931 | 0.5560 |  | [31] | 0.066 | 99.6772 | 0.5332 |
DB802 | 2L-Best1 | 0.464 | 99.7709 | 0.7320 | Â | 2L-Best1 | 0.372 | 99.7565 | 0.6859 |
 | 2L-HPCP-Best1 | 0.430 | 99.7755 | 0.7150 |  | 2L-BSC-Best1 | 0.366 | 99.7562 | 0.6832 |
 | 1L-HPCP-QD [32] | 0.430 | 99.7755 | 0.7150 |  | 1L-BSC-QD | 0.366 | 99.7562 | 0.6832 |
 | 1L-MLD-QD | 0.163 | 99.7014 | 0.5815 |  | 1L-CPCP-QD | 0.060 | 99.6762 | 0.5299 |
 | [26] | 0.340 | 99.7572 | 0.6700 |  | [26] | 0.340 | 99.7572 | 0.6700 |
 | [24] | 0.407 | 99.1071 | 0.7000 |  | [24] | 0.407 | 99.1071 | 0.7000 |
 | PSO | 0.429 | 98.5529 | 0.7080 |  | PSO | 0.202 | 99.7289 | 0.6395 |
 | [31] | 0.101 | 99.6908 | 0.5505 |  | [31] | 0.060 | 99.6771 | 0.5299 |
DB962 | 2L-Best1 | 0.498 | 99.8453 | 0.7490 | Â | 2L-Best1 | 0.383 | 99.8302 | 0.6915 |
 | 2L-HPCP-Best1 | 0.443 | 99.8440 | 0.7215 |  | 2L-BSC-Best1 | 0.373 | 99.8295 | 0.6865 |
 | 1L-HPCP-QD [32] | 0.443 | 99.8440 | 0.7215 |  | 1L-BSC-QD | 0.373 | 99.8295 | 0.6865 |
 | 1L-MLD-QD | 0.186 | 99.7990 | 0.5930 |  | 1L-CPCP-QD | 0.079 | 99.7796 | 0.5397 |
 | [26] | 0.377 | 99.8354 | 0.6885 |  | [26] | 0.377 | 99.8354 | 0.6885 |
 | [24] | 0.423 | 99.1193 | 0.7080 |  | [24] | 0.423 | 99.1193 | 0.7080 |
 | PSO | 0.740 | 71.7942 | 0.7290 |  | PSO | 0.239 | 99.8040 | 0.6194 |
 | [31] | 0.140 | 99.7926 | 0.5700 |  | [31] | 0.085 | 99.7814 | 0.5424 |