A Loss Function Base on Softmax for Expression Recognition

Table 1

Comparative analysis of relative works.

Method	New category	New instance of past category	Do not need original dataset
Ruping [15]		√	√
Cauwenberghs and Poggio [16]		√	√
Fei-Fei et al. [17]	√		√
Tommasi et al. [18]	√		√
Kuzborskij et al.[19]	√
Engelbrecht and Cloete [20]		√
Zhang [21]		√
Ours	√	√	√