Recognition of Emotions for People with Autism: An Approach to Improve Skills

Table 4

Evaluation of the methods used for DRE.

Author	Feature extraction	Classifier	Accuracy (%)
Vinicius et al. [68]	Learning features	Softmax	88.58
Wu and Lin [67]	AlexNet features	SVM	86.83
Wu and Lin [67]	Adaptive feature mapping	Softmax	89.84
Bilkhu et al. [69]	Cascade regression	SVM	89.00
Noor et al. [70]	Histogram of oriented gradients	SVM	90.79
Jain et al. [66]	Learning features	Softmax	93.24
Cossetin et al. [71]	LBP and Weber local descriptor	Pairwise classifier	98.91
Salman et al. [72]	Geometric features	MPL	99.00
Hernandez et al. [73]	Gabor functions	SVM	99.00
Proposed method	Learning and handcraft features	Softmax	98.84