Search Results - "Richard Rios"
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Machine Learning Adds to Clinical and CAC Assessments in Predicting 10-Year CHD and CVD Deaths
Published in JACC. Cardiovascular imaging (01-03-2021)“…The aim of this study was to evaluate whether machine learning (ML) of noncontrast computed tomographic (CT) and clinical variables improves the prediction of…”
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Determining a minimum set of variables for machine learning cardiovascular event prediction: results from REFINE SPECT registry
Published in Cardiovascular research (20-07-2022)“…Abstract Aims Optimal risk stratification with machine learning (ML) from myocardial perfusion imaging (MPI) includes both clinical and imaging data. While…”
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Capturing Multidimensional Energy Poverty in South America: A Comparative Study of Argentina, Brazil, Uruguay, and Paraguay
Published in Frontiers in sustainable cities (08-07-2021)“…Roughly 789 million people have no access to energy, and around 2.8 billion people lack access to clean cooking solutions according to the World Bank, and so…”
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Population model of bladder motion and deformation based on dominant eigenmodes and mixed-effects models in prostate cancer radiotherapy
Published in Medical image analysis (01-05-2017)“…•We propose a population model to estimate the probability of the bladder presence on a given region during treatment using only the planning CT scan as input…”
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A Multistate Outbreak of Escherichia coli O157:H7 Infection Linked to Consumption of Beef Tacos at a Fast-Food Restaurant Chain
Published in Clinical infectious diseases (01-07-2004)“…We investigated a multistate outbreak of Escherichia coli O157:H7 infections. Isolates from 13 case patients from California, Nevada, and Arizona were matched…”
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Beauveria bassiana and Metarhizium anisopliae as compatible and efficient controllers of plague insects in aquaponic crops
Published in Scientia agropecuaria (26-08-2020)Get full text
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Prognostically safe stress-only single-photon emission computed tomography myocardial perfusion imaging guided by machine learning: report from REFINE SPECT
Published in European heart journal cardiovascular imaging (10-05-2021)“…Abstract Aims Single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) stress-only protocols reduce radiation exposure and cost…”
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Educación física y niños con síndrome de down: estrategias metodológicas para la labor docente
Published in Revista de Instrumentos, Modelos e Políticas em Avaliação Educacional (08-12-2023)“…Este estudio tuvo como objetivo comprender la forma como el profesional de Educación Física moviliza estrategias metodológicas para desarrollar su accionar…”
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Machine Learning From Quantitative Coronary Computed Tomography Angiography Predicts Fractional Flow Reserve–Defined Ischemia and Impaired Myocardial Blood Flow
Published in Circulation. Cardiovascular imaging (01-10-2022)“…A pathophysiological interplay exists between plaque morphology and coronary physiology. Machine learning (ML) is increasingly being applied to coronary…”
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Diagnostic safety of a machine learning-based automatic patient selection algorithm for stress-only myocardial perfusion SPECT
Published in Journal of nuclear cardiology (01-10-2022)“…Stress-only myocardial perfusion imaging (MPI) markedly reduces radiation dose, scanning time, and cost. We developed an automated clinical algorithm to safely…”
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Handling missing values in machine learning to predict patient-specific risk of adverse cardiac events: Insights from REFINE SPECT registry
Published in Computers in biology and medicine (01-06-2022)“…Machine learning (ML) models can improve prediction of major adverse cardiovascular events (MACE), but in clinical practice some values may be missing. We…”
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Machine learning from quantitative coronary CT angiography predicts FFR-defined ischemia and impaired myocardial blood flow
Published in Circulation. Cardiovascular imaging (01-10-2022)Get full text
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Non-linear state space model and control strategy for pem fuel cell systems
Published in Dyna (Medellín, Colombia) (2011)“…This paper presents a non linear state space model and a linear control system for a Polymer Electrolyte Membrane fuel cell. The dynamics modeled are the…”
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Sistema de control para reducir el consumo de hidrógeno en celdas de combustible PEM considerando incertidumbres paramétricas
Published in Tecno - Lógicas (Instituto Tecnológico Metropolitano) (01-07-2016)“…This paper presents a control system for reducing the hydrogen consumption for a Polymer Electrolyte Membrane fuel cell, also considering parametric…”
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A tensor-based population value decomposition to explain rectal toxicity after prostate cancer radiotherapy
Published in Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention (2013)“…In prostate cancer radiotherapy the association between the dose distribution and the occurrence of undesirable side-effects is yet to be revealed. In this…”
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The electric vehicle transition and the challenge of electric mobility in Paraguay
Published in 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) (06-12-2021)“…Paraguay is characterized by its clean and renewable energy generation, being one of the largest per capita hydropower producers in the world. Paradoxically,…”
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An approach to identify strategies to be taken into account when revising ITAIPU Annex C
Published in 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) (06-12-2021)“…Paraguay and Brazil - partner countries of the second largest hydroelectric power plant in the world (ITAIPU) - are currently in the preparation phase to…”
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Conference Proceeding