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深度學習|內行人的做法
book

深度學習|內行人的做法

by Josh Patterson, Adam Gibson
January 2019
Beginner to intermediate
576 pages
14h 31m
Chinese
GoTop Information, Inc.
Content preview from 深度學習|內行人的做法
懂得學習的機器
|
7
基於本書的安排,我們把深度學習定義為具有大量參數和許多神經層的神經網路,其中
各層網路有可能採用以下四種結構:
無監督預訓練網路(UPNUnsupervised pretrained networks
卷積神經網路(CNNConvolutional neural networks
遞迴神經網路(RNNRecurrent neural networks
遞歸神經網路(Recursive neural networks
上述架構也可能存在各種變化的形式,例如可以把卷積和遞迴神經網路混合使用。在本
書的安排下,我們會把這四種架構當成重點來介紹。
相對於傳統的機器學習演算法,「特徵提取自動化」可說是深度學習的其中一大優勢。
在面對大量資料時,我們可以用網路來找出資料中的某些特徵,以做為資料的一種可靠
標記方式,而這整個過程就是所謂的「特徵提取(feature extraction)」。在過去,機器
學習的專業工作者往往需要花費好幾個月、好幾年甚至好幾十年的時間,才能以人工方
式創建出詳盡的特徵組合,為資料進行妥善的標記與分類。自從 2006 年深度學習開始
呈現大爆發的進展之後,某些最先進的機器學習演算法很快便吸取到這幾十年來人們在
資料分類提取特徵方面所累積的經驗。深度學習幾乎在每一種資料型態的判斷正確性方
面,全都超越傳統演算法的表現,而且只需要更少的調整與人力的付出。這些深度網路
可協助資料科學團隊少付出許多血汗,進而去實現其他更有意義的任務。
跳進兔子洞 ...
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Publisher Resources

ISBN: 9789865020262