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@kabupen

損失関数

Posted at

損失関数

二クラス分類

多クラス分類

入力情報を元に、$n$ 種類のカテゴリ分け。出力層のノード数は $n$ 種類と同数にし、教師データはone-hotエンコーディングで、該当するカテゴリに対応するビットにだけ1を立てる。活性化関数にsoftmax関数を使用すると、確率に対応させることができる。

  • categorical_crossentropy

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