Keras中的迁移学习分类

Classification with Transfer Learning in Keras

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Rhyme
Coursera
  • 完成时间大约为 2 个小时
  • 中级
  • 英语
注:本课程由Coursera和Linkshare共同提供,因开课平台的各种因素变化,以上开课日期仅供参考

你将学到什么

How to implement transfer learning with Keras and TensorFlow

How to use transfer learning to solve image classification

课程概况

In this 1.5 hour long project-based course, you will learn to create and train a Convolutional Neural Network (CNN) with an existing CNN model architecture, and its pre-trained weights. We will use the MobileNet model architecture along with its weights trained on the popular ImageNet dataset. By using a model with pre-trained weights, and then training just the last layers on a new dataset, we can drastically reduce the training time required to fit the model to the new data . The pre-trained model has already learned to recognize thousands on simple and complex image features, and we are using its output as the input to the last layers that we are training.

In order to be successful in this project, you should be familiar with Python, Neural Networks, and CNNs.

Note: This course works best for learners who are based in the North America region. We’re currently working on providing the same experience in other regions.

课程大纲

Image Classification with Transfer Learning in Keras

In this project based course, you will learn to create and train a Convolutional Neural Network (CNN) with an existing CNN model architecture, and its pre-trained weights. We will use the MobileNet model architecture along with its weights trained on the popular ImageNet dataset. By using a model with pre-trained weights, and then training just the last layers on a new dataset, we can drastically reduce the training time required to fit the model to the new data . The pre-trained model has already learned to recognize thousands on simple and complex image features, and we are using its output as the input to the last layers that we are training.

课程项目

Import Libraries and Helper functions

Download the Pet dataset and extract relevant annotations

Add functionality to create a random batch of examples and labels

Create a new model with MobileNet v2 and a new fully connected top layer

Create a data generator function and calculate training and validation steps

Get predictions on a test batch and display the test batch along with prediction

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