How convolutional neural networks see the world

[aidiary]

https://blog.keras.io/how-convolutional-neural-networks-see-the-world.html https://jacobgil.github.io/deeplearning/filter-visualizations http://yosinski.com/deepvis

指定したフィルタの活性化（出力？）を最大化するような入力画像を生成する 繰り返しgradを足し込む？

data gradient http://stackoverflow.com/questions/38135950/meaning-of-weight-gradient-in-cnn http://yosinski.com/deepvis http://qiita.com/knao124/items/fdb47674ada389e70c6e http://ankivil.com/visualizing-deep-neural-networks-classes-and-features/