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Comparación de dos metodologías estadísticas para un problema de clasificación binaria de imágenes bidimensionales
(Bogotá - Ciencias - Maestría en Ciencias - EstadísticaDepartamento de EstadísticaUniversidad Nacional de Colombia - Sede Bogotá, 2020-07)
A common problem that appears in the analysis of medical images is the identification of regions of interest in the body that are relevant to certain clinical responses. This corresponds to a regression problem with the ...
Effect of southern climate modes and variations in river discharge on lake surface area in Patagonia
(Taylor and Francis Ltd., 2018-06-29)
Multiple regressions, wavelet spectra, and Fourier spectra were employed to analyze fluctuations in the surface areas of 2 Patagonian lakes during 1998–2015 and relate these to fluctuations in precipitation, evaporation, ...
Model for the detection of elevated blood pressure based on machine learning and signal processing techniques
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2022-06-03)
Hypertension or high blood pressure is referred to as the increase of blood pressure in the body. It is considered a global public health issue whose late diagnosis could lead to heart attack, heart failure, coronary heart ...
Variabilidade do conteúdo de ozônio da rede Shadoz em duas estações tropicais: Natal e Paramaribo
(Universidade Federal do Rio Grande do NorteBrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM CIÊNCIAS CLIMÁTICAS, 2022-03-17)
Ozone (O3) is a natural gas that filters the sun's ultraviolet radiation and thus reduces the harmful
effects of type B ultraviolet radiation (UV-B) that reach the Earth, acts as a protective shield
and therefore the ...
Estimativa da massa corporal de bovinos por meio de sensor de profundidade Kinect®Estimation of body mass by bovine Kinect® depth sensor
(Universidade Federal de Viçosa, 2016)
Caracterización litoestratigráfica de la Formación la Luna mediante el análisis de multiatributos sísmicos en la prospección de hidrocarburos no convencionales
(2013)
El trabajo de tesis define y describe cuáles atributos sísmicos pueden ser usados en la identificación de reservorios de roca de grano fino, conocidos como yacimientos no convencionales, en un sector de la Cuenca del ...
Variabilidad Climática Intraestacional y su Efecto sobre la Precipitación en Colombia: Diagnóstico y Pronóstico
(2012-08)
En este trabajo se estudian los principales modos de variabilidad a escala intraestacional en Colombia a través de registros satelitales de precipitación diaria provenientes del TRMM, la cual es agregada a escala pentadiaria. ...
Dynamic co-movement analysis among oil prices, green bonds, and CO2 emissions, 2014-2022
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - Industria y OrganizacionesFacultad de MinasMedellín, ColombiaUniversidad Nacional de Colombia - Sede Medellín, 2023-05-29)
This research addresses the problem of the coverage gap in the extant literature to know how oil prices, green bonds, and CO2 emissions are related to each other. Additionally, to research the short and long-term relations ...