If something interesting appears in any given tile, we’ll mark that tile as interesting
Machine Learning is Fun! Part 3: Deep Learning and Convolutional Neural Networks
Adam Geitgey

It looks like this is the key part of the algorithm and you didn’t give any information on what does “something interesting” mean and how does the model calculate it. Without understanding this I still feel like I don’t know how the CNN works.

But thank you for your efforts, the rest of the article is just great!

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