1 code implementation • ICLR 2021 • Phillip Pope, Chen Zhu, Ahmed Abdelkader, Micah Goldblum, Tom Goldstein
We find that common natural image datasets indeed have very low intrinsic dimension relative to the high number of pixels in the images.
no code implementations • NeurIPS 2020 • Ping-Yeh Chiang, Michael Curry, Ahmed Abdelkader, Aounon Kumar, John Dickerson, Tom Goldstein
Despite the vulnerability of object detectors to adversarial attacks, very few defenses are known to date.
1 code implementation • 7 Jul 2020 • Ping-Yeh Chiang, Michael J. Curry, Ahmed Abdelkader, Aounon Kumar, John Dickerson, Tom Goldstein
While adversarial training can improve the empirical robustness of image classifiers, a direct extension to object detection is very expensive.
no code implementations • 20 Apr 2020 • Ahmed Abdelkader, Michael J. Curry, Liam Fowl, Tom Goldstein, Avi Schwarzschild, Manli Shu, Christoph Studer, Chen Zhu
We first demonstrate successful transfer attacks against a victim network using \textit{only} its feature extractor.
1 code implementation • ICLR 2020 • Ping-Yeh Chiang, Renkun Ni, Ahmed Abdelkader, Chen Zhu, Christoph Studer, Tom Goldstein
Adversarial patch attacks are among one of the most practical threat models against real-world computer vision systems.
1 code implementation • 23 Feb 2019 • Ahmed Abdelkader, Chandrajit L. Bajaj, Mohamed S. Ebeida, Ahmed H. Mahmoud, Scott A. Mitchell, John D. Owens, Ahmad A. Rushdi
The VoroCrust algorithm is the first provably-correct algorithm for conforming polyhedral Voronoi meshing for non-convex and non-manifold domains with guarantees on the quality of both surface and volume elements.
Graphics Computational Geometry I.3.5
no code implementations • 15 Jan 2015 • Ahmed Abdelkader, Aditya Acharya, Philip Dasler
We study the complexity of a particular class of board games, which we call `slide and merge' games.
Computational Complexity F.2.2