tf.keras.backend.ctc_label_dense_to_sparse

Converts CTC labels from dense to sparse.

Compat aliases for migration

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.

© 2020 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/keras/backend/ctc_label_dense_to_sparse