Results 41 to 50 of about 128 (113)

PREDICCIÓN DEL CICLO SOLAR 23 CON UN ALGORITMO ADALINE BASADO EN FUNCIONES POTENCIALES DE BASE RADIAL

Anales (Asociación Física Argentina), 2013
El uso de funciones potenciales permite la generalización a problemas no lineales de algoritmos de aprendizaje de naturaleza lineal. Dichas funciones, denominadas 'kernels', permiten mapear los datos originales a un espacio de alta dimensión (espacio de ...
H. D. Navone, P. F. Verdes, P. M. Granitto, H. A. Ceccatto   +3 more
doaj  

Exploring pathophysiological insights to improve diagnostic utility of ultrasound markers for distinguishing placenta accreta spectrum from uterine‐scar dehiscence

Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 1, Page 85-93, January 2025.
ABSTRACT Objective Accurate differentiation between placenta accreta spectrum (PAS) and uterine‐scar dehiscence with underlying non‐adherent placenta is often challenging, even for PAS experts, both prenatally and intraoperatively. We investigated the use of standardized two‐dimensional grayscale ultrasound and Doppler imaging markers in ...
T. Adu‐Bredu, R. A. Aryananda, S. Mathewlynn, S. L. Collins   +3 more
wiley   +1 more source

Vertebrate diversity and biomass along a recovery gradient in a lowland tropical forest

Biotropica, Volume 57, Issue 1, January 2025.
Deforestation of tropical forests has resulted in large areas of secondary forests with the potential for biodiversity to re‐establish to levels usually found in old‐growth forests. This study shows that diversity and biomass of mammals and birds in regenerating forests can recover to old‐growth levels within a relatively short time.
Nina Grella, Karen Pedersen, Nico Blüthgen, Annika Busse, David A. Donoso, Ana Falconí‐López, Christian Fiderer, Marco Heurich, Maria de la Hoz, Peter Kriegel, Felicity L. Newell, Marcel Püls, Dominik Rabl, H. Martin Schäfer, Sebastian Seibold, Constance J. Tremlett, Heike Feldhaar, Jörg Müller   +17 more
wiley   +1 more source

Tree species abundance changes at the edges of their climatic distribution: An interplay between climate change, plant traits and forest management

Journal of Ecology, Volume 112, Issue 12, Page 2785-2797, December 2024.
Our research emphasizes the crucial impact of historical forest management in shaping the current distribution of tree species. After controlling for the effect of forest management, climate change directly influenced tree demographics, favouring species based on their traits.
Josep Padullés Cubino, Albert Vilà‐Cabrera, Javier Retana   +2 more
wiley   +1 more source

Mejoramiento de imágenes usando funciones de base radial

, 2009
La eliminación del ruido impulsivo es un problema clásico del procesado no lineal para el mejoramiento de imágenes y las funciones de base radial de soporte global son útiles para enfrentarlo. Este trabajo presenta una técnica de interpolación que disminuye eficientemente el ruido impulsivo en imágenes, mediante el uso de interpolante obtenido por ...
Echeverri Arias, Jaime Alberto, Manrique Losada, Bell, Moreno, Francisco Javier, Bravo, Alejandro   +3 more
openaire   +2 more sources

La sombra alargada del patrón: Gamonalismo y hábitos hacendatarios en Chimborazo tras la reforma agraria

The Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.
Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley   +1 more source

Corrección Automática de Huecos en Objetos de Forma Libre Empleando Funciones de Base Radial.

Rev. Avances en Sistemas Informática, 2007
En este trabajo se propone un nuevo algoritmo para identificar y llenar automáticamente los huecos en regiones asociadas con superficies suaves mediante interpoladores de funciones de base radial locales.
Branch Bedoya, John Willian, Prieto Ortiz, Flavio Augusto, Boulanger, Pierre   +2 more
openaire   +1 more source

Linking landscape structure, floral resource distribution, pollen use and movement distances of a generalist predator

Journal of Applied Ecology, Volume 61, Issue 11, Page 2798-2808, November 2024.
Our findings suggest that the spatial distribution of flowering wild plants can inform movement patterns of lacewings and other flower‐visiting insects in agricultural landscapes. In addition, the location of floral resources in the landscape is important for its capacity to sustain natural enemies. Given the strong reliance of lacewings on pollen from
E. González, F. J. J. A. Bianchi, P. W. Eckerter, M. H. Entling   +3 more
wiley   +1 more source

DISEÑO Y EVALUACIÓN DE UN CLASIFICADOR DE TEXTURAS BASADO EN LS-SVM

Redes de Ingeniería, 2013
Evaluar el desempeño y el costo computacional de diferentes arquitecturas y metodologías Least Square Support Vector Machine (LS-SVM) ante la segmentación de imágenes por textura y a partir de dichos resultados postular un modelo de un clasificador de ...
Beitmantt Cárdenas Quintero, Nelson Enrique Vera Parra, Pablo Emilio Rozo García   +2 more
doaj  

[Determination of some oxidative stress, functional and immunological markers in the saliva of patients undergoing bone marrow transplantation (BMT).] [PDF]

Rev Fac Cien Med Univ Nac Cordoba, 2021
Bachmeier E, Migueles Goitea ME, Linares JA, Wietz FM, Jarchum S, Jarchum G, Brunotto MN, Mazzeo MA.   +7 more
europepmc   +1 more source