tf.keras.backend.ctc_label_dense_to_sparse

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Converts CTC labels from dense to sparse.

Aliases:

  • tf.compat.v1.keras.backend.ctc_label_dense_to_sparse
  • tf.compat.v2.keras.backend.ctc_label_dense_to_sparse
tf.keras.backend.ctc_label_dense_to_sparse(
    labels,
    label_lengths
)

Arguments:

  • labels: dense CTC labels.
  • label_lengths: length of the labels.

Returns:

A sparse tensor representation of the labels.

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