tf.keras.backend.ctc_label_dense_to_sparse

TensorFlow 1 version View source on GitHub

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.