Facial Pain Expression Recognition in Real-Time Videos

Table 2

Storage summary in matrix.

Serial no.	Name of the operation in feature extraction	Elapsed time (in seconds)	Storage summary (in original) based on all videos	Storage summary (in matrix)	Reduction of storage (in %)
1	Hybrid model	1.921336–2.063168	2.08 MB–700 MB	0.987 MB–212 MB	52.54–69.71
2	Logarithm	0.752480–1.630598		0.45 MB–89.12 MB	78.37–87.29
3	Exponential	0.749532–1.296239		0.46 MB–117.1 MB	77.88–83.28