activity
20142023
most citedWindow-Based Descriptors for Arabic Handwritten Alphabet Recognition: A Comparative Study on a Novel Dataset

23 citations · 27 across the 10 of their papers we have counts for

collaborators

11 papers

cs.CV2023★ 1 cited

TRIGS: Trojan Identification from Gradient-based Signatures

Mohamed E. Hussein, Sudharshan Subramaniam Janakiraman, Wael AbdAlmageed

Training machine learning models can be very expensive or even unaffordable. This may be, for example, due to data limitations, such as unavailability or being too large, or comput…

cs.CV2021

Explaining Face Presentation Attack Detection Using Natural Language

Hengameh Mirzaalian, Mohamed E. Hussein, Leonidas Spinoulas +2

A large number of deep neural network based techniques have been developed to address the challenging problem of face presentation attack detection (PAD). Whereas such techniques'…

cs.LG2021

Introducing the DOME Activation Functions

Mohamed E. Hussein, Wael AbdAlmageed

In this paper, we introduce a novel non-linear activation function that spontaneously induces class-compactness and regularization in the embedding space of neural networks. The fu…

cs.CV2020

Multi-Modal Fingerprint Presentation Attack Detection: Evaluation On A New Dataset

Leonidas Spinoulas, Hengameh Mirzaalian, Mohamed Hussein +1

Fingerprint presentation attack detection is becoming an increasingly challenging problem due to the continuous advancement of attack preparation techniques, which generate realist…

cs.CV2020

Multispectral Biometrics System Framework: Application to Presentation Attack Detection

Leonidas Spinoulas, Mohamed Hussein, David Geissbühler +5

In this work, we present a general framework for building a biometrics system capable of capturing multispectral data from a series of sensors synchronized with active illumination…

cs.LG2019

On the Effectiveness of Laser Speckle Contrast Imaging and Deep Neural Networks for Detecting Known and Unknown Fingerprint Presentation Attacks

Hengameh Mirzaalian, Mohamed Hussein, Wael Abd-Almageed

Fingerprint presentation attack detection (FPAD) is becoming an increasingly challenging problem due to the continuous advancement of attack techniques, which generate `realistic-l…