Table 3.

Obtained rank CDF values for the algorithms in the investigated databases. The numbers in the cells are cdf(1) and cdf(10), that is, the ratio of images that are ranked at top and among the top ten images, respectively

Salamandra spec.	DBSize	500	2,000	2,197
	AmphIdent	.984/.998	.984/.998	.983/.998
	I3S	.536/.761	.520/.737	.519/.734
	Wild‐ID	.137/.268	.118/.230	.116/.226
	APHIS Color	.750/.854	.745/.844	.744/.843
	APHIS BW	.832/.884	.830/.881	.830/.880
Triturus spec.	DBSize	500	2,000	4,000	7,000	7,458
	AmphIdent	.999/1.0	.999/1.0	.999/1.0	.999/1.0	.999/1.0
	I3S	.671/.845	.667/.838	.663/.827	.659/.815	.658/.813
	Wild‐ID	.726/.854	.700/.839	.676/.831	.648/.814	.645/.812
	APHIS Color	.751/.833	.734/.817	.723/.801	.714/.794	.713/.794
	APHIS BW	.800/.871	.792/.863	.788/.857	.784/.846	.784/.845
Ambystoma opachum	DBSize	500	2,000	4,000	7,000	12,488
	AmphIdent	.960/.989	.944/.989	.929/.986	.912/.983	.896/.973
	I3S	.296/.484	.218/.423	.182/.385	.151/.343	.126/.308
	Wild‐ID	.650/.823	.551/.783	.495/.736	.447/.696	.396/.659
	APHIS Color	.450/.595	.409/.527	.388/.493	.372/.474	.363/.456
	APHIS BW	.464/.602	.413/.558	.385/.526	.368/.487	.352/.462
Bombina variegata	DBSize	500	2,000	4,000	4,063
	AmphIdent	.977/.988	.973/.983	.969/.983	.969/.983
	I3S	.845/.920	.821/.902	.804/.886	.804/.886
	Wild‐ID	.953/.973	.941/.967	.932/.964	.932/.964
	APHIS Color	.875/.915	.867/.904	.863/.896	.863/.896
	APHIS BW	.886/.927	.879/.914	.873/.907	.873/.907