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Language Identification in Short Utterances Using Long Short-Term Memory (LSTM) Recurrent Neural Networks

Fig 4

Out of set confusion matrix.

Confusion matrix of the best out of set LSTM RNN system, lstm_2_layer_512_units (system #6), on the real out of set LRE’09 set (3s test segments). Ground truth is represented in the Y axis while the predicted language is represented in the X axis.

Fig 4