tf.keras.backend.ctc_batch_cost(
y_true,
y_pred,
input_length,
label_length
)
Defined in tensorflow/python/keras/backend.py
.
Runs CTC loss algorithm on each batch element.
Arguments:
y_true
: tensor(samples, max_string_length)
containing the truth labels.y_pred
: tensor(samples, time_steps, num_categories)
containing the prediction, or output of the softmax.input_length
: tensor(samples, 1)
containing the sequence length for each batch item iny_pred
.label_length
: tensor(samples, 1)
containing the sequence length for each batch item iny_true
.
Returns:
Tensor with shape (samples,1) containing the CTC loss of each element.