Feature Guided CNN for Baby’s Facial Expression Recognition

Table 1

Overview of the existing facial expression datasets.

Datasets	JAFFE	PIE	MMI	BU-3DFE	CK+	FER	CAFE	SFEW	RAF-DB
Images	213	40,000	740	2500	593	35,887	1192	1766	29,672
Subjects	10	68	25	100	137	—	100	—	—
Class	7	4	—	7	7	7	7	7	7
Size	256 x 256	—	720 x 576	—	640 x 480	48 x 48	Square	720 x 576	—
Age	—	—	19–62	18–70	18–50	—	2–8	—	0–70
Gender	Female	Both	Both	Both	Both	Both	Both	Both	Both
Year	1988	2000	2005	2006	2010	2013	2014	2015	2017