Search Results for author: Mohamed Gaafar

Found 3 papers, 0 papers with code

On the Decision Boundaries of Neural Networks. A Tropical Geometry Perspective

no code implementations1 Jan 2021 Motasem Alfarra, Adel Bibi, Hasan Abed Al Kader Hammoud, Mohamed Gaafar, Bernard Ghanem

This work tackles the problem of characterizing and understanding the decision boundaries of neural networks with piecewise linear non-linearity activations.

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On the Decision Boundaries of Neural Networks: A Tropical Geometry Perspective

no code implementations20 Feb 2020 Motasem Alfarra, Adel Bibi, Hasan Hammoud, Mohamed Gaafar, Bernard Ghanem

Our main finding is that the decision boundaries are a subset of a tropical hypersurface, which is intimately related to a polytope formed by the convex hull of two zonotopes.

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On the Decision Boundaries of Deep Neural Networks: A Tropical Geometry Perspective

no code implementations25 Sep 2019 Motasem Alfarra, Adel Bibi, Hasan Hammoud, Mohamed Gaafar, Bernard Ghanem

We use tropical geometry, a new development in the area of algebraic geometry, to provide a characterization of the decision boundaries of a simple neural network of the form (Affine, ReLU, Affine).

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