tf.keras.losses.Tversky

Computes the Tversky loss value between y_true and y_pred.

Inherits From: Loss

tf.keras.losses.Tversky(     alpha=0.5,     beta=0.5,     reduction='sum_over_batch_size',     name='tversky' )

This loss function is weighted by the alpha and beta coefficients that penalize false positives and false negatives.

With alpha=0.5 and beta=0.5, the loss value becomes equivalent to Dice Loss.

Args
`y_true`	tensor of true targets.
`y_pred`	tensor of predicted targets.
`alpha`	coefficient controlling incidence of false positives.
`beta`	coefficient controlling incidence of false negatives.

Returns
Tversky loss value.

Methods

call(     y_true, y_pred )

@classmethod from_config(     config )

get_config()

__call__(     y_true, y_pred, sample_weight=None )

Call self as a function.

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Last updated 2024-06-07 UTC.