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• W3199551491 abstract "In this paper, we propose a novel algorithm for speaker diarization using metric learning for graph based clustering. The graph clustering algorithms use an adjacency matrix consisting of similarity scores. These scores are computed between speaker embeddings extracted from pairs of audio segments within the given recording. In this paper, we propose an approach that jointly learns the speaker embeddings and the similarity metric using principles of self-supervised learning. The metric learning network implements a neural model of the probabilistic linear discriminant analysis (PLDA). The self-supervision is derived from the pseudo labels obtained from a previous iteration of clustering. The entire model of representation learning and metric learning is trained with a binary cross entropy loss. By combining the self-supervision based metric learning along with the graph-based clustering algorithm, we achieve significant relative improvements of 60% and 7% over the x-vector PLDA agglomerative hierarchical clustering (AHC) approach on AMI and the DIHARD datasets respectively in terms of diarization error rates (DER)." @default.
• W3199551491 created "2021-09-27" @default.
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• W3199551491 creator A5019066037 @default.
• W3199551491 date "2021-09-14" @default.
• W3199551491 modified "2023-09-27" @default.
• W3199551491 title "Self-Supervised Metric Learning With Graph Clustering For Speaker Diarization" @default.
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• W3199551491 hasPublicationYear "2021" @default.
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