tf.keras.backend.ctc_label_dense_to_sparse

Converts CTC labels from dense to sparse.

Compat aliases for migration

See Migration guide for more details.

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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Last updated 2020-06-03.

Arguments