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Facial Emotion Recognition based on SOAR Model

Expressing emotions play a special role in daily communication, and one of the most essential methods in detecting emotions is to detect facial emotional states.

Facial Emotion Recognition based on SOAR Model

Therefore, one of the crucial aspects of the natural human-machine interaction is the recognition of facial expressions and the creation of feedback according to the perceived emotion. Due to the importance of the topic, this article presents an efficient method for recognizing emotional states from facial images based on a mixed deep learning and cognitive model called SOAR. Among the objectives of the proposed model, it is possible to mention providing a model for learning the time order of frames in the movie and providing a model for better display of visual features and finally increasing the recognition rate. In order to implement each part of this model, two main steps have been introduced.

The first step is reading the video and converting it to images and preprocessing on them.

The next step is to use the combination of 3D convolutional neural network (3DCNN) and learning automata (LA) to classify and detect the rate of facial emotional recognition.

The reason for choosing 3DCNN in our model is that no dimension is removed from the images and considering the temporal information in dynamic images leads to more efficient and better classification. Also, the training of the 3DCNN network in calculating the backpropagation error is adjusted by LA so that both the efficiency of the proposed model is increased and the working memory part of the SOAR model can be implemented.

The accuracy of recognition rate of facial emotional states in the proposed model is 85.3%. In order to compare the effectiveness of the proposed model with other models, this model has been compared with competing models. By examining the results, we found that the proposed model has a better performance than other models.

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