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Speech Emotion Recognition Based on Sparse Transfer Learning Method
Peng SONG Wenming ZHENG Ruiyu LIANG
Publication
IEICE TRANSACTIONS on Information and Systems
Vol.E98-D
No.7
pp.1409-1412 Publication Date: 2015/07/01 Publicized: 2015/04/10 Online ISSN: 1745-1361
DOI: 10.1587/transinf.2015EDL8028 Type of Manuscript: LETTER Category: Speech and Hearing Keyword: speech emotion recognition, sparse coding, transfer learning,
Full Text: PDF(255.4KB)>>
Summary:
In traditional speech emotion recognition systems, when the training and testing utterances are obtained from different corpora, the recognition rates will decrease dramatically. To tackle this problem, in this letter, inspired from the recent developments of sparse coding and transfer learning, a novel sparse transfer learning method is presented for speech emotion recognition. Firstly, a sparse coding algorithm is employed to learn a robust sparse representation of emotional features. Then, a novel sparse transfer learning approach is presented, where the distance between the feature distributions of source and target datasets is considered and used to regularize the objective function of sparse coding. The experimental results demonstrate that, compared with the automatic recognition approach, the proposed method achieves promising improvements on recognition rates and significantly outperforms the classic dimension reduction based transfer learning approach.
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