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by westurner
328 days ago
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> That's fair, they are relabelling colours and rotating the boards. Photometric augmentation, Geometric augmentation > I meant more like mass generation of novel puzzles to try and train specific patterns. What is the difference between Synthetic Data Generation and Self Play (like AlphaZero)? Don't self play simulations generate synthetic training data as compared to real observations? |
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In this case I was wrong, the authors are clearly adding bits of information themselves by augmenting the dataset with symmetries (I propose "symmetry augmentation" as a much more sensible phrase for this =P). Since symmetries share a lot of mutual information with each other, I don't think this is nearly as much of a crutch as adding novel data points into the mix before training, but ideally no augmentation would be needed.
I guess you could argue that in some sense it's fair play - when humans are told the rules of sudoku the symmetry is implicit, but here the AI is only really "aware" of the gradient.