会議発表論文 7感情の強度推定結果に基づく音響的特徴からの話者感情の推定手法

上村,譲史  ,  新升,悠太  ,  目良,和也  ,  黒澤,義明  ,  竹澤,寿幸

内容記述
Previous multi-class emotion classification method has two problems; it cannot deal with emotions except pre-defined emotions, and it cannot express situation when multiple emotions are arousing at the same time. In this paper, we apply hard and soft clustering methods into emotion classification. Hard clustering method gives information to re-classify emotion classes. Soft clustering method is valid to detect data which arouse multiple emotions. Seven types of emotion voice data (anger, anticipation, disgust, fear, joy, sadness, and surprise) are re-classified into eight clusters based on intensity values of the seven emotions calculated from acoustic features. The result of hard clustering suggested that some emotion data can be classified more finely. On the other hand, some data which have the features of multiple emotions could be found by soft clustering method.
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http://harp.lib.hiroshima-u.ac.jp/hiroshima-cu/file/12310/20160627173813/JSAI2016uemura.pdf

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