Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Héctor, Poveda"'
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
IntroductionThis work presents an unsupervised learning-based methodology to identify and count unique manatees using underwater vocalization recordings.MethodsThe proposed approach uses Scattering Wavelet Transform (SWT) to represent individual mana
Externí odkaz:
https://doaj.org/article/c7a83dc95ffc4d93a855f6527158a370
Autor:
Jessica D. Reyes-Arias, Beth Brady, Eric A. Ramos, Yann Henaut, Delma Nataly Castelblanco-Martínez, Maria Maust-Mohl, Linda Searle, Gabriela Pérez-Lachaud, Héctor M. Guzmán, Héctor Poveda, Fernando Merchan, Kenji Contreras, Javier E. Sanchez-Galan, Kristi A. Collom, Marcelo O. Magnasco
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Geographic variation in the vocal behavior of manatees has been reported but is largely unexplored. Vocalizations of wild West Indian manatees (Trichechus manatus) were recorded with hydrophones in Florida from Florida manatees (Trichechus m
Externí odkaz:
https://doaj.org/article/d03ab67eb1c449b4b4a619531fa7b15b
Publikováno v:
Prisma Tecnológico, Vol 5, Iss 1, Pp 33-38 (2016)
El presente trabajo proporciona una perspectiva del desempeño y la claridad de servicio brindado por los operadores de telefonía celular en Panamá. Durante los meses de enero a abril 2014 se realizaron mediciones de parámetros en comunicaciones m
Externí odkaz:
https://doaj.org/article/fd34e83288d84859a27ae79c9f131c2b
Publikováno v:
Revista de I + D Tecnológico, Vol 10, Iss 2, Pp 17-30 (2016)
El presente artículo aborda aspectos del entrenamiento de la máquina de aprendizaje AdaBoost con modelos de reconocimiento de objetos basados en características de apariencia tales como: Patrones Binarios Locales (LBP), Histograma de Gradientes Or
Externí odkaz:
https://doaj.org/article/9544fc6e68744e4a9763e80713e310e3
Publikováno v:
Applied Sciences, Vol 10, Iss 9, p 3286 (2020)
We evaluated the potential of using convolutional neural networks in classifying spectrograms of Antillean manatee (Trichechus manatus manatus) vocalizations. Spectrograms using binary, linear and logarithmic amplitude formats were considered. Two de
Externí odkaz:
https://doaj.org/article/ad2bb6dc8feb4603b213db037836974f
Publikováno v:
The International Journal of Electrical Engineering & Education. 58:900-918
In telecommunications engineering degrees, simulations are used to understand better theoretical concepts. However, in courses related to digital communications or signal processing usually these simulations cannot be easily applied to real data or i
Publikováno v:
The Journal of the Acoustical Society of America. 146(3)
This work presents a methodology to automatically detect and identify manatee vocalizations in continuous passive acoustic underwater recordings. Given that vocalizations of each manatee present a slightly different frequency content, it is possible
Publikováno v:
2019 7th International Engineering, Sciences and Technology Conference (IESTEC).
The internet of things covers a large number of solutions, among which we have the LoRa technology. The following work present theoretical and technical aspects of the implementation of this technology in a wireless network to monitor environmental p
Publikováno v:
ICASSP
The purpose of this paper is to share our positive experience about the collaboration launched a few years ago between UTP (Panama) and Bordeaux INP (France) in the field of signal processing. This collaboration involves research and education activi
Publikováno v:
Advances in Science, Technology and Engineering Systems (2019)
HSI
HSI
Wireless communication opens up new avenues in the field of intelligent vehicle systems, including monitoring, guidance and warning applications. In order to determine more precisely the feasibility of using the 802.11n standard in vehicular communic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b088612e5daa4b7e180df981ae4f890
https://astesj.com/v04/i02/p52/
https://astesj.com/v04/i02/p52/