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I am not seeing the chicken and egg problem. Isn't it always the case that when we consider the optimality of something it depends on some definitions?
by hacker42 10y ago
I am not seeing the chicken and egg problem. Isn't it always the case that when we consider the optimality of something it depends on some definitions?
- argonaut 10y agoThe chicken and egg problem is that we design neural nets in order for Gabor filters to show up. If you used a different neural net architecture choice, they wouldn't show up. So the presence of Gabor filters indicating optimality is sort of begging the question.
- trhway 10y agoCNN beat other architectures in images and Gabor emerges in CNN. That is a pretty good candidate for even global optimaliy.
- argonaut 10y agoThe fact that X works and A, B, and C don't work, does not imply A is globally optimal.
- hacker42 10y agoAs far as I know, Gabor filters show up in all kinds of multi-layered models, even in unsupervised ones. Gabor filters are quite canonical.