Localizing global descriptors for content-based image retrieval

Iakovidou, C.; Anagnostopoulos, N.; Kapoutsis, A.; Boutalis, Y.; Lux, M.; Chatzichristofis, S.A.

doi:10.1186/s13634-015-0262-6

EURASIP Journal on Advances in Signal Processing

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

MAP results in italics mark performances that surpass the baseline performance. Results in bold font mark the highest performance achieved per detector

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