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The Inapproximability of Illuminating Polygons by α-Floodlights
We consider variants of the art gallery problem where guard visibility is limited to a certain angular aperture $\alpha$. We show that …
Ahmed Abdelkader, Ahmed Saeed, Khaled Harras, Amr Mohamed
Cite Project PDF Slides
Angular Heuristics for Coverage Maximization in Multi-Camera Surveillance
Multiple cameras are used to track targets moving amongst obstacles. Surveillance video streamed from a top-view camera is processed to …
Ahmed Abdelkader, Moamen Mokhtar, Hazem El-Alfy
Cite Project IEEEXplore PDF Poster
Visibility Induction for Discretized Pursuit-Evasion Games
We study a two-player pursuit-evasion game, in which an agent moving amongst obstacles is to be maintained within “sight” …
Ahmed Abdelkader, Hazem El-Alfy
Cite Project AAAI PDF Lightning Slide Poster
Analysis of a Device-free Passive Tracking System in Typical Wireless Environments
Device-free passive (DfP) localization is a new concept in location determination where the tracked entity does not carry any device …
Ahmed Kosba, Ahmed Abdelkader, Moustafa Youssef
Cite Project IEEEXplore PDF Slides