Deep Visual Attributes vs. Hand-Crafted Audio Features on Multidomain Speech Emotion Recognition
AbstractEmotion recognition from speech may play a crucial role in many applications related to human–computer interaction or understanding the affective state of users in certain tasks, where other modalities such as video or physiological parameters are unavailable. In general, a human’s emotions may be recognized using several modalities such as analyzing facial expressions, speech, physiological parameters (e.g., electroencephalograms, electrocardiograms) etc. However, measuring of these modalities may be difficult, obtrusive or require expensive hardware. In that context, speech may be the best alternative modality in many practical applications. In this work we present an approach that uses a Convolutional Neural Network (CNN) functioning as a visual feature extractor and trained using raw speech information. In contrast to traditional machine learning approaches, CNNs are responsible for identifying the important features of the input thus, making the need of hand-crafted feature engineering optional in many tasks. In this paper no extra features are required other than the spectrogram representations and hand-crafted features were only extracted for validation purposes of our method. Moreover, it does not require any linguistic model and is not specific to any particular language. We compare the proposed approach using cross-language datasets and demonstrate that it is able to provide superior results vs. traditional ones that use hand-crafted features. View Full-Text
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Papakostas, M.; Spyrou, E.; Giannakopoulos, T.; Siantikos, G.; Sgouropoulos, D.; Mylonas, P.; Makedon, F. Deep Visual Attributes vs. Hand-Crafted Audio Features on Multidomain Speech Emotion Recognition. Computation 2017, 5, 26.
Papakostas M, Spyrou E, Giannakopoulos T, Siantikos G, Sgouropoulos D, Mylonas P, Makedon F. Deep Visual Attributes vs. Hand-Crafted Audio Features on Multidomain Speech Emotion Recognition. Computation. 2017; 5(2):26.Chicago/Turabian Style
Papakostas, Michalis; Spyrou, Evaggelos; Giannakopoulos, Theodoros; Siantikos, Giorgos; Sgouropoulos, Dimitrios; Mylonas, Phivos; Makedon, Fillia. 2017. "Deep Visual Attributes vs. Hand-Crafted Audio Features on Multidomain Speech Emotion Recognition." Computation 5, no. 2: 26.
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