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tensorflow::ops::InTopK

#include <nn_ops.h>

Says whether the targets are in the top K predictions.

Summary

This outputs a batch_size bool array, an entry out[i] is true if the prediction for the target class is among the top k predictions among all predictions for example i. Note that the behavior of InTopK differs from the TopK op in its handling of ties; if multiple classes have the same prediction value and straddle the top-k boundary, all of those classes are considered to be in the top k.

More formally, let

$$predictions_i$$ be the predictions for all classes for example i, $$targets_i$$ be the target class for example i, $$out_i$$ be the output for example i,

$$out_i = predictions_{i, targets_i} TopKIncludingTies(predictions_i)$$

Args:

• scope: A Scope object
• predictions: A batch_size x classes tensor.
• targets: A batch_size vector of class ids.
• k: Number of top elements to look at for computing precision.

Returns:

Constructors and Destructors

InTopK(const ::tensorflow::Scope & scope, ::tensorflow::Input predictions, ::tensorflow::Input targets, int64 k)

operation
precision

Public functions

node() const
::tensorflow::Node *
operator::tensorflow::Input() const
operator::tensorflow::Output() const

Public attributes

operation

Operation operation

precision

::tensorflow::Output precision

Public functions

InTopK

InTopK(
const ::tensorflow::Scope & scope,
::tensorflow::Input predictions,
::tensorflow::Input targets,
int64 k
)

node

::tensorflow::Node * node() const

operator::tensorflow::Input

operator::tensorflow::Input() const

operator::tensorflow::Output

operator::tensorflow::Output() const
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