练习 2：防止过拟合
在本练习中，您将通过应用数据增强和 dropout 正规化，改进您在练习 1中构建的猫狗分类 CNN 模型：
机器学习实践：图像分类
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最后更新时间 (UTC)：2025-07-27。
[null,null,["最后更新时间 (UTC)：2025-07-27。"],[[["\u003cp\u003eThis exercise focuses on enhancing a Convolutional Neural Network (CNN) model for cat-vs-dog image classification, building upon a previous exercise.\u003c/p\u003e\n"],["\u003cp\u003eThe enhancements involve implementing data augmentation techniques and dropout regularization to mitigate overfitting and improve model generalization.\u003c/p\u003e\n"],["\u003cp\u003eYou will actively apply these techniques in a provided coding exercise using Google Colab.\u003c/p\u003e\n"]]],[],null,["# ML Practicum: Image Classification\n\n\u003cbr /\u003e\n\n### Exercise 2: Preventing Overfitting\n\nIn this exercise, you'll improve the CNN model for cat-vs.-dog\nclassification you built in [Exercise 1](/machine-learning/practica/image-classification/exercise-1) by applying\ndata augmentation and dropout regularization: \n[Launch exercise](https://colab.research.google.com/github/google/eng-edu/blob/main/ml/pc/exercises/image_classification_part2.ipynb?utm_source=practicum-IC&utm_campaign=colab-external&utm_medium=referral&hl=en&utm_content=imageexercise2-colab)"]]