Table 2.

Statics of the attribute datasets accounting for the number of attributes, classes plus their splits and their total number of images.

Attribute Datasets	#attributes	y	$y^U$	$y^S$	#images
SUN [118]	102	717	580 ​+ ​65	72	14,340
CUB [173]	312	200	100 ​+ ​50	50	11,788
AWA1 [80]	85	50	27 ​+ ​13	10	30,475
AWA2 [188]	85	50	27 ​+ ​13	10	37,322
aPY [40]	64	32	15 ​+ ​5	12	15,339