# Deep Learning :::info ### 步驟 - Step1: 定義一個函數(Define a set of function)  - hidden layer可以看做是在進行feature transform,將原本無法線性分割的資料轉置,成為可以區分的狀態。  - Step2: 判斷函數的好壞(Goodness of function)  - 最小化Lost Function (Sumation of Cross Entropy) - Step3: 選擇最好的函數(Pick the best function)  ::: :::warning ### 問題 - 需去Design Network的structure - 影像辨識、語音辨識有優勢 - 自動學Network的Structure? - 可以,但還不普及。 ex.基因演算法 - 自己設計Network的Structure來取代Fully Connected? - 可以。 ex. CNN(Convolutional Neural Network) - 計算工具:  ::: ###### tags: `ML2020`
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