The Scientific World Journal / 2014 / Article / Tab 2

Research Article

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 typeRecall rate of BP (%)Recall rate of Adaboost-BP (%)Precision rate of BP (%)Precision rate of Adaboost-BP (%)

Sorrowful89.7%93.5%86.4%88.9%
Frightened88.3%90.8%82.6%86.4%
Disgusted82.9%87.2%73.1%79.8%
Relaxed91.6%93.2%88.5%90.2%
Angry90.1%93.1%84.9%89.5%
Frustrated79.3%86.2%71.6%77.8%
Scared90.9%93.6%85.7%90.1%
Happy93.6%95.8%89.1%92.2%
Proud83.0%87.1%78.3%84.3%
Hopeful91.4%93.8%85.7%89.6%