Recognising continuous emotions in dialogues based on DISfluencies and non-verbal vocalisation features for a safer network environment Online publication date: Thu, 20-Jun-2019
by Huan Zhao; Xiaoxiao Zhou; Yufeng Xiao
International Journal of Computational Science and Engineering (IJCSE), Vol. 19, No. 2, 2019
Abstract: With the development of networks and social media, audio and video have become a more popular way to communicate. Those audio and video can spread information to create some negative effect, e.g., negative sentiment with suicide tendency or threatening messages to make people panic. In order to keep a safe network environment, it is necessary to recognise emotion in dialogues. To improve recognition of continuous emotion in dialogues, we propose to combine DISfluencies and non-verbal vocalisations (DIS-NV) features with bidirectional long short-term memory (BLSTM) model to predict continuous emotion. DIS-NV features are effective emotion features, including filled pauses features, fillers features, shutters features, laughter feature and breath feature. Bidirectional long short-term memory (BLSTM) can learn past information and use future information. State-of-the-art recognition attains 62% accuracy. Our experimental method can increase accuracy to 76%.
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