no code implementations • 24 Apr 2024 • Kevin Hernandez-Diaz, Josef Bigun, Fernando Alonso-Fernandez
Experiments also demonstrated that our inputs, which were provided by mini complex conv-nets, combined with reduced CNN sizes, outperformed full-fledged, prevailing CNN architectures.
no code implementations • 25 Jul 2023 • Fernando Alonso-Fernandez, Kevin Hernandez-Diaz, Jose M. Buades, Prayag Tiwari, Josef Bigun
This paper describes an adaptation of the Local Interpretable Model-Agnostic Explanations (LIME) AI method to operate under a biometric verification setting.
no code implementations • 20 Jul 2023 • Fernando Alonso-Fernandez, Kevin Hernandez-Diaz, Jose Maria Buades Rubio, Josef Bigun
The widespread use of mobile devices for various digital services has created a need for reliable and real-time person authentication.
no code implementations • 11 Jul 2023 • Kevin Hernandez-Diaz, Fernando Alonso-Fernandez, Josef Bigun
In this paper, we investigate the behavior of deep representations in widely used CNN models under extreme data scarcity for One-Shot periocular recognition, a biometric recognition task.
no code implementations • 9 Dec 2022 • Jonathan Karlsson, Fredrik Strand, Josef Bigun, Fernando Alonso-Fernandez, Kevin Hernandez-Diaz, Felix Nilsson
Workplace injuries are common in today's society due to a lack of adequately worn safety equipment.
no code implementations • 9 Dec 2022 • August Baaz, Yonan Yonan, Kevin Hernandez-Diaz, Fernando Alonso-Fernandez, Felix Nilsson
In object classification, capturing a large number of images per object and in different conditions is not always possible and can be very time-consuming and tedious.
no code implementations • 9 Dec 2022 • Otto Zell, Joel Pålsson, Kevin Hernandez-Diaz, Fernando Alonso-Fernandez, Felix Nilsson
Accordingly, this work looks into the potential of AI to detect and recognize fires and reduce detection time using object detection on an image stream.
1 code implementation • 11 Mar 2022 • Pontus Hedman, Vasilios Skepetzis, Kevin Hernandez-Diaz, Josef Bigun, Fernando Alonso-Fernandez
To help in counteracting such issues, we contribute with a database of facial images that includes several manipulations.
no code implementations • 17 Oct 2021 • Pontus Hedman, Vasilios Skepetzis, Kevin Hernandez-Diaz, Josef Bigun, Fernando Alonso-Fernandez
Although there is room for improvement, when neither U-NET reconstruction nor training with filtered images is applied, the accuracy with filters that severely occlude the eye is <72% (identification) and >12% (EER)
no code implementations • 16 Jul 2021 • Elias Josse, Amanda Nerborg, Kevin Hernandez-Diaz, Fernando Alonso-Fernandez
The world is expecting an aging population and shortage of healthcare professionals.
no code implementations • 26 Aug 2020 • Kevin Hernandez-Diaz, Fernando Alonso-Fernandez, Josef Bigun
Recognition experiments are done using a number of off-the-shelf periocular comparators based both on hand-crafted features and CNN descriptors.
no code implementations • 31 Jul 2020 • Fernando Alonso-Fernandez, Nicole Mariah Sharon Belvisi, Kevin Hernandez-Diaz, Naveed Muhammad, Josef Bigun
With a large number of training Tweets (>500), a good accuracy (Rank-5>80%) is achievable with only a few dozens of test Tweets, even with several thousands of authors.
no code implementations • 16 Jul 2020 • Fernando Alonso-Fernandez, Javier Barrachina, Kevin Hernandez-Diaz, Josef Bigun
Accordingly, we address the challenge of developing a lightweight face recognition network of just a few megabytes that can operate with sufficient accuracy in comparison to much larger models.
no code implementations • 23 Apr 2020 • Nathalie Tkauc, Thao Tran, Kevin Hernandez-Diaz, Fernando Alonso-Fernandez
This paper describes the implementation of a system to recognize employees and visitors wanting to gain access to a physical office through face images and speech-to-text recognition.
no code implementations • 17 Sep 2018 • Kevin Hernandez-Diaz, Fernando Alonso-Fernandez, Josef Bigun
Periocular refers to the region around the eye, including sclera, eyelids, lashes, brows and skin.