TensorFlow函数:tf.losses.Reduction

2018-09-04 17:27 更新

tf.losses.Reduction函数

类 Reduction

定义在:tensorflow/python/ops/losses/losses_impl.py.

减少loss的类型.

包含以下值:

  • NONE:与输入形状相同的未减少的加权loss.
  • SUM:加权loss的标量和.
  • MEAN:标量SUM除以权重之和.
  • SUM_OVER_BATCH_SIZE:标量SUM除以loss中的元素数量.
  • SUM_OVER_NONZERO_WEIGHTS:标量SUM除以非零权重的数量.
  • SUM_BY_NONZERO_WEIGHTS:和SUM_OVER_NONZERO_WEIGHTS一样.

方法

all

@classmethod
all(cls)

validate

@classmethod
validate(
    cls,
    key
)

类成员

  • MEAN
  • NONE
  • SUM
  • SUM_BY_NONZERO_WEIGHTS
  • SUM_OVER_BATCH_SIZE
  • SUM_OVER_NONZERO_WEIGHTS

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