An Adaboost-Backpropagation Neural Network for Automated Image Sentiment Classification

Table 2

Comparison of the experimental results with the results obtained using the BP and Adaboost-BP methods.

Emotion type	Recall rate of BP (%)	Recall rate of Adaboost-BP (%)	Precision rate of BP (%)	Precision rate of Adaboost-BP (%)
Sorrowful	89.7%	93.5%	86.4%	88.9%
Frightened	88.3%	90.8%	82.6%	86.4%
Disgusted	82.9%	87.2%	73.1%	79.8%
Relaxed	91.6%	93.2%	88.5%	90.2%
Angry	90.1%	93.1%	84.9%	89.5%
Frustrated	79.3%	86.2%	71.6%	77.8%
Scared	90.9%	93.6%	85.7%	90.1%
Happy	93.6%	95.8%	89.1%	92.2%
Proud	83.0%	87.1%	78.3%	84.3%
Hopeful	91.4%	93.8%	85.7%	89.6%