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Dropout: a simple way to prevent neural networks from overfitting

TLDR
It is shown that dropout improves the performance of neural networks on supervised learning tasks in vision, speech recognition, document classification and computational biology, obtaining state-of-the-art results on many benchmark data sets.
Abstract
Deep neural nets with a large number of parameters are very powerful machine learning systems. However, overfitting is a serious problem in such networks. Large networks are also slow to use, making it difficult to deal with overfitting by combining the predictions of many different large neural nets at test time. Dropout is a technique for addressing this problem. The key idea is to randomly drop units (along with their connections) from the neural network during training. This prevents units from co-adapting too much. During training, dropout samples from an exponential number of different "thinned" networks. At test time, it is easy to approximate the effect of averaging the predictions of all these thinned networks by simply using a single unthinned network that has smaller weights. This significantly reduces overfitting and gives major improvements over other regularization methods. We show that dropout improves the performance of neural networks on supervised learning tasks in vision, speech recognition, document classification and computational biology, obtaining state-of-the-art results on many benchmark data sets.

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Related Papers (5)
Trending Questions (3)
¿Qué es el overfitting en machine learning?

Overfitting is mentioned in the paper. It refers to a problem in machine learning where a model performs well on the training data but fails to generalize well to new, unseen data.

How does the number of parameters affect overfitting in deep learning?

The paper does not directly address how the number of parameters affects overfitting in deep learning.

What are the most common methods used to address overfitting in RNN?

The most common method used to address overfitting in RNN is dropout.