Created
August 20, 2020 04:05
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| optimizer = tf.keras.optimizers.Adam() | |
| loss_object = tf.keras.losses.SparseCategoricalCrossentropy(from_logits=True, reduction='none') | |
| def loss_function(real, pred): | |
| mask = tf.math.logical_not(tf.math.equal(real, 0)) | |
| loss_ = loss_object(real, pred) | |
| mask = tf.cast(mask, dtype=loss_.dtype) | |
| loss_ *= mask | |
| return tf.reduce_mean(loss_) |
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