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      Deep learning with Microsoft Cognitive Toolkit quick start guide : a practical guide to building neural networks using Microsoft's open source deep learning framework

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      https://www.riss.kr/link?id=M16523662

      • 저자
      • 발행사항

        Birmingham, UK : Packt Publishing, 2019

      • 발행연도

        2019

      • 작성언어

        영어

      • 주제어
      • DDC

        006.32 판사항(23)

      • ISBN

        1789803195
        9781789803198

      • 자료형태

        EBOOK

      • 발행국

        England

      • 형태사항

        1 online resource : illustrations

      • 일반주기명

        Includes bibliographical references.
        Cover; Title Page; Copyright and Credits; Dedication; About Packt; Contributors; Table of Contents; Preface; Chapter1: Getting Started with CNTK; The relationship between AI, machine learning, and deep learning; Limitations of machine learning; How does deep learning work?; The neural network architecture; Artificial neurons; Predicting output with a neural network; Optimizing a neural network; What is CNTK?; Features of CNTK; A high-speed low-level API; Basic building blocks for quickly creating neural networks; Measuring model performance; Loading and processing large datasets
        Using models from C# and JavaInstalling CNTK; Installing on Windows; Installing Anaconda; Upgrading pip; Installing CNTK; Installing on Linux; Installing Anaconda; Upgrading pip to the latest version; Installing the CNTK package; Using your GPU with CNTK; Enabling GPU usage on Windows; Enabling GPU usage on Linux; Summary; Chapter2: Building Neural Networks with CNTK; Technical requirements; Basic neural network concepts in CNTK; Building neural networks using layer functions; Customizing layer settings; Using learners and trainers to optimize the parameters in a neural network
        Loss functionsModel metrics; Building your first neural network; Building the network structure; Choosing an activation function; Choosing an activation function for the output layer; Choosing an activation function for the hidden layers; Picking a loss function; Recording metrics; Training the neural network; Choosing a learner and setting up training; Feeding data into the trainer to optimize the neural network; Checking the performance of the neural network; Making predictions with a neural network; Improving the model; Summary; Chapter3: Getting Data into Your Neural Network
        Technical requirementsTraining a neural network efficiently with minibatches; Working with small in-memory datasets; Working with numpy arrays; Working with pandas DataFrames; Working with large datasets; Creating a MinibatchSource instance; Creating CTF files; Feeding data into a training session; Taking control over the minibatch loop; Summary; Chapter4: Validating Model Performance; Technical requirements; Choosing a good strategy to validate model performance; Using a hold-out dataset for validation; Using k-fold cross-validation; What about underfitting and overfitting?
        Validating performance of a classification modelUsing a confusion matrix to validate your classification model; Using the F-measure as an alternative to the confusion matrix; Measuring classification performance in CNTK; Validating performance of a regression model; Measuring the accuracy of your predictions; Measuring regression model performance in CNTK; Measuring performance for out-of-memory datasets; Measuring performance when working with minibatch sources; Measuring performance when working with a manual minibatch loop; Monitoring your model

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