Zobrazeno 1 - 10
of 1 127
pro vyhledávání: '"E Tapia"'
Publikováno v:
Frontiers in Imaging, Vol 3 (2024)
In this work, we analyse the comparison between using the periocular area instead of the full face area for Presentation Attack Detection (PAD) in the visual spectrum (RGB). The analysis was carried out by evaluating the performance of five Convoluti
Externí odkaz:
https://doaj.org/article/aaee1cffe055472fa28cdd99c5a0a1a0
Autor:
Yujie Wang, Cheng-Bang Chen, Toshihiro Imamura, Ignacio E. Tapia, Virend K. Somers, Phyllis C. Zee, Diane C. Lim
Publikováno v:
Frontiers in Physiology, Vol 15 (2024)
ObjectiveRecognizing emotions from electroencephalography (EEG) signals is a challenging task due to the complex, nonlinear, and nonstationary characteristics of brain activity. Traditional methods often fail to capture these subtle dynamics, while d
Externí odkaz:
https://doaj.org/article/71ee3bf4c7b1448786b11ff15b6f689c
Autor:
Mateo A. Vega-Yánez, Amanda B. Quezada-Riera, Blanca Rios-Touma, María del Carmen Vizcaíno-Barba, William Millingalli, Orlando Ganzino, Luis A. Coloma, Elicio E. Tapia, Nadine Dupérré, Mónica Páez-Vacas, David Parra-Puente, Daniela Franco-Mena, Gabriela Gavilanes, David Salazar-Valenzuela, Carlos A. Valle, Juan M. Guayasamin
Publikováno v:
PeerJ, Vol 12, p e17344 (2024)
The Jambato Harlequin toad (Atelopus ignescens), a formerly abundant species in the Andes of Ecuador, faced a dramatic population decline in the 1980s, with its last recorded sighting in 1988. The species was considered Extinct by the IUCN until 2016
Externí odkaz:
https://doaj.org/article/b334288227f7421e8e19ea32c290ee37
Publikováno v:
IEEE Access, Vol 12, Pp 68573-68585 (2024)
The accurate detection of ID card Presentation Attacks (PA) is becoming increasingly important due to the rising number of online/remote services that require the presentation of digital photographs of ID cards for digital onboarding or authenticatio
Externí odkaz:
https://doaj.org/article/d0fbc95b26b8484c9094a7aa5462827a
Publikováno v:
IET Biometrics, Vol 2024 (2024)
Gender classification on normalized iris images has been previously attempted with varying degrees of success. In these previous studies, it has been shown that occlusion masks may introduce gender information; occlusion masks are used in iris recogn
Externí odkaz:
https://doaj.org/article/804272c5014a463fb86d5d07a509548d
Autor:
Aurora Alvarez-Buylla, Marie-Therese Fischer, Maria Dolores Moya Garzon, Alexandra E Rangel, Elicio E Tapia, Julia T Tanzo, H Tom Soh, Luis A Coloma, Jonathan Z Long, Lauren A O'Connell
Publikováno v:
eLife, Vol 12 (2023)
Alkaloids are important bioactive molecules throughout the natural world, and in many animals they serve as a source of chemical defense against predation. Dendrobatid poison frogs bioaccumulate alkaloids from their diet to make themselves toxic or u
Externí odkaz:
https://doaj.org/article/b1c6b485f2314d7691dcb9e6dd22c743
Autor:
Daniel P. Benalcazar, Juan E. Tapia, Mauricio Vasquez, Leonardo Causa, Enrique Lopez Droguett, Christoph Busch
Publikováno v:
IEEE Access, Vol 11, Pp 133577-133590 (2023)
Iris Recognition (IR) is one of the market’s most reliable and accurate biometric systems. Today, it is challenging to build NearInfraRed (NIR) capturing devices under the premise of hardware price reduction. Commercial NIR sensors are protected fr
Externí odkaz:
https://doaj.org/article/e47e1add59ff4931aa9f9b6336e6395e
Autor:
G. Fonseca-González, M. Alamilla-Sánchez, V. García-Macas, J. Herrera-Acevedo, M. Villalobos-Brito, E. Tapia-Rangel, D. Maldonado-Tapia, M. López-Mendoza, J. H. Cano-Cervantes, J. Orozco-Vázquez, D. Timarán-Montenegro, S. Cortés-Martínez, M. Escarela-Serrano, S. Muñoz-López, L. Montiel-López, P. Mondragón-Terán, J. A. Suárez-Cuenca
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract The clinical course of COVID-19 may show severe presentation, potentially involving dynamic cytokine storms and T cell lymphopenia, which are leading causes of death in patients with SARS-CoV-2 infection. Plasma exchange therapy (PLEX) effec
Externí odkaz:
https://doaj.org/article/803e4544fc1046c8925a5ac933da891f
Effect of photonic spin-orbit coupling on the topological edge modes of a Su-Schrieffer-Heeger chain
Autor:
Whittaker, C. E., Cancellieri, E., Walker, P. M., Royall, B., Rodriguez, L. E. Tapia, Clarke, E., Whittaker, D. M., Schomerus, H., Skolnick, M. S., Krizhanovskii, D. N.
Publikováno v:
Phys. Rev. B 99, 081402 (2019)
We study the effect of photonic spin-orbit coupling (SOC) in micropillar lattices on the topological edge states of a one-dimensional chain with a zigzag geometry, corresponding to the Su-Schrieffer-Heeger model equipped with an additional internal d
Externí odkaz:
http://arxiv.org/abs/1812.02034
Publikováno v:
IET Biometrics, Vol 11, Iss 4, Pp 343-354 (2022)
Abstract The LivDet‐2020 competition focuses on Presentation Attacks Detection (PAD) algorithms, has still open problems, mainly unknown attack scenarios. It is crucial to enhance PAD methods. This can be achieved by augmenting the number of Presen
Externí odkaz:
https://doaj.org/article/83fbc7ab65bd4f358a0e06e5011a23b9