可视化自编码器训练结果
From Ufldl
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可视化自编码器训练结果 | 可视化自编码器训练结果 | ||
【原文】： | 【原文】： | ||
| - | Having trained a (sparse) autoencoder, we would now like to visualize the function learned by the algorithm, to try to understand what it has learned. Consider the case of training an autoencoder on | + | Having trained a (sparse) autoencoder, we would now like to visualize the function |
| + | learned by the algorithm, to try to understand what it has learned. | ||
| + | Consider the case of training an autoencoder on <math>\textstyle 10 \times 10</math> images, so that <math>\textstyle n = 100</math>. | ||
| + | Each hidden unit <math>\textstyle i</math> computes a function of the input: | ||
【初译】： | 【初译】： | ||
得到了训练好的（稀疏）自编码器，我们就可以将通过算法习得的函数进行可视化，以便于了解学习的结果。我们以使用10×10的图像来训练自编码器为例，此时n=100。针对每个隐藏单元i，将输入值代入以下方程： | 得到了训练好的（稀疏）自编码器，我们就可以将通过算法习得的函数进行可视化，以便于了解学习的结果。我们以使用10×10的图像来训练自编码器为例，此时n=100。针对每个隐藏单元i，将输入值代入以下方程： | ||
