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Table 3 Experimental results of all 16 SIMPLE descriptors on the UKBench dataset

From: Localizing global descriptors for content-based image retrieval

   SIFT detector SURF detector
  Size WS MAP P@4 ANMRR WS MAP P@4 ANMRR
CEDD 2048 n.t.c 0.6402 0.5360 0.2769 l.t.c 0.8280 0.7580 0.1207
  512 l.t.c 0.8139 0.7710 0.1562 l.t.c 0.8964 0.8670 0.0879
  128 l.n.n 0.7911 0.7350 0.1695 l.n.c 0.8665 0.8260 0.1104
  32 n.n.n 0.6797 0.2741 0.2878 l.n.n 0.7806 0.7250 0.1771
SCD 2048 n.t.c 0.7195 0.6230 0.2058 l.t.c 0.8730 0.8180 0.0871
  512 l.t.c 0.8696 0.8350 0.1058 l.t.c 0.9145 0.8960 0.0713
  128 l.n.n 0.8764 0.8350 0.0961 l.t.c 0.8941 0.8640 0.0858
  32 l.n.n 0.7649 0.6890 0.1822 l.n.n 0.7956 0.7420 0.1672
CLD 2048 n.n.c 0.6327 0.5340 0.2847 l.n.c 0.7693 0.6890 0.1706
  512 l.t.c 0.7699 0.7180 0.1874 l.t.c 0.8446 0.8160 0.1333
  128 l.n.n 0.7649 0.7200 0.1950 l.n.n 0.8112 0.7640 0.1576
  32 n.n.n 0.5944 0.5430 0.3575 n.n.n 0.6857 0.6290 0.2725
EHD 2048 l.n.c 0.2712 0.2600 0.7052 n.n.c 0.4093 0.3720 0.5422
  512 l.n.c 0.2689 0.2560 0.7075 n.n.c 0.4276 0.4010 0.5321
  128 n.n.n 0.2708 0.2640 0.7054 n.n.n 0.3972 0.3760 0.5590
  32 n.n.n 0.2752 0.2640 0.6954 n.n.n 0.3570 0.3330 0.5987
   Rnd (600 samples) GaussRnd (600 samples)
  Size WS MAP P@4 ANMRR WS MAP P@4 ANMRR
CEDD 2048 l.t.c 0.9183 0.8890 0.0683 l.t.c 0.9245 0.9030 0.0655
  512 l.t.c 0.9146 0.8870 0.0707 l.t.c 0.9227 0.8940 0.0624
  128 l.n.c 0.8892 0.8460 0.0886 l.t.c 0.8895 0.8540 0.0894
  32 l.n.n 0.7993 0.7410 0.1632 l.n.n 0.7894 0.7300 0.1685
SCD 2048 l.t.c 0.9268 0.8980 0.0573 l.t.c 0.9254 0.9020 0.0608
  512 l.t.c 0.9186 0.8950 0.0674 l.t.c 0.9218 0.8930 0.0638
  128 l.t.c 0.8876 0.8420 0.0888 l.t.c 0.8917 0.8580 0.0865
  32 l.n.c 0.7884 0.7260 0.1704 l.n.c 0.8095 0.7560 0.1582
CLD 2048 l.t.c 0.8831 0.8480 0.1024 l.t.c 0.8893 0.8560 0.0926
  512 l.n.c 0.8718 0.8400 0.1069 l.t.c 0.8715 0.8360 0.1059
  128 l.n.c 0.8184 0.7730 0.1545 l.n.c 0.8347 0.7890 0.1345
  32 l.n.n 0.6455 0.5860 0.2978 l.n.n 0.6851 0.6200 0.2577
EHD 2048 l.t.c 0.6235 0.5780 0.3378 l.t.c 0.6185 0.5830 0.3425
  512 l.n.c 0.5629 0.5270 0.3919 l.n.c 0.5788 0.5310 0.3762
  128 l.n.n 0.4944 0.4610 0.4551 l.n.n 0.5053 0.4640 0.4408
  32 l.n.n 0.3166 0.3070 0.6017 n.n.c 0.4153 0.3810 0.5340
  1. MAP results in italics mark performances that surpass the baseline performance. Results in bold font mark the highest performance achieved per detector