no code implementations • 30 Jun 2021 • Javier Velasco-Mata, Víctor González-Castro, Eduardo Fidalgo, Enrique Alegre
Botnets are one of the online threats with the biggest presence, causing billionaire losses to global economies.
no code implementations • 11 Dec 2020 • Derrick Timmerman, Swaroop Bennabhaktula, Enrique Alegre, George Azzopardi
In this work we propose a method to identify the source camera of a video based on camera specific noise patterns that we extract from video frames.
no code implementations • 29 Oct 2020 • Mhd Wesam Al-Nabki, Eduardo Fidalgo, Enrique Alegre, Rocío Alaiz-Rodríguez
This paper presents and compares two approaches based on short text classification to identify CSEM files.
no code implementations • 20 May 2020 • Pablo Blanco Medina, Eduardo Fidalgo Fernandez, Enrique Alegre, Francisco Jáñez Martino, Roberto A. Vasco-Carofilis, Víctor Fidalgo Villar
In systems where time is critical and GPU is available, VGG16 is preferable because it takes 0. 04 seconds to process images, but dropping performance to 87, 67%.
no code implementations • 23 Apr 2020 • Guru Swaroop Bennabhaktula, Enrique Alegre, Dimka Karastoyanova, George Azzopardi
One of the challenging problems in digital image forensics is the capability to identify images that are captured by the same camera device.
no code implementations • 5 Oct 2019 • Mhd Wesam Al-Nabki, Eduardo Fidalgo, Enrique Alegre, Deisy Chaves
And also, a ranking unit that, using the Learning-to-Rank (LtR) approach, automatically learns a ranking function by integrating the previously obtained features.
no code implementations • EACL 2017 • Mhd Wesam Al Nabki, Eduardo Fidalgo, Enrique Alegre, Ivan de Paz
The freedom of the Deep Web offers a safe place where people can express themselves anonymously but they also can conduct illegal activities.