Daniel Sierra
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View article: PhenoAssistant: A Conversational Multi-Agent AI System for Automated Plant Phenotyping
PhenoAssistant: A Conversational Multi-Agent AI System for Automated Plant Phenotyping Open
Plant phenotyping increasingly relies on (semi-)automated image-based analysis workflows to improve its accuracy and scalability. However, many existing solutions remain overly complex, difficult to reimplement and maintain, and pose high …
View article: PhenoAssistant: A Conversational Multi-Agent AI System for Automated Plant Phenotyping
PhenoAssistant: A Conversational Multi-Agent AI System for Automated Plant Phenotyping Open
Plant phenotyping increasingly relies on (semi-)automated image-based analysis workflows to improve its accuracy and scalability. However, many existing solutions remain overly complex, difficult to reimplement and maintain, and pose high …
View article: Topohazard, a novel tool for enhancing gravity-driven flows hazard maps: application to Cotopaxi volcano, Ecuador
Topohazard, a novel tool for enhancing gravity-driven flows hazard maps: application to Cotopaxi volcano, Ecuador Open
During the 2015 volcanic crisis and eruption of Cotopaxi --one of Ecuador's highest-risk volcanoes-- an urgent issue arose concerning the integration of the 1:50,000-scale volcanic hazard map, developed in 2004, into digital applications s…
View article: Biochemical differences based on sex and clusters of biomarkers in patients with COVID-19: analysis from the CARDIO COVID 19–20 registry
Biochemical differences based on sex and clusters of biomarkers in patients with COVID-19: analysis from the CARDIO COVID 19–20 registry Open
In the LA&C population hospitalized with COVID-19, males had higher inflammatory biomarker levels, correlating with increased cardiovascular complications and mortality. The cluster with an inflammatory profile showed higher non-cardiovasc…
View article: Clinical and epidemiological characteristics of pediatric cataract in a Latin American population
Clinical and epidemiological characteristics of pediatric cataract in a Latin American population Open
Introduction: Cataract is defined as the opacity of the lens, which leads to reduced vision and can eventually result in blindness. In pediatric patients, it has a poor visual prognosis if not diagnosed early. Objective: The aim of our stu…
View article: Differentiation smelling footprints of the Chagas disease vector using an electronic nose based on artificial intelligence algorithms
Differentiation smelling footprints of the Chagas disease vector using an electronic nose based on artificial intelligence algorithms Open
The present study aims to disclose the design of an electronic nose capable of learning and differentiating semiochemical signals from insects usable to identify species that transmit Chagas disease. The proposed device used different non-…
View article: Abstract 012: Percutaneous Carotid Access and Closure System for Acute Revascularization and Endovascular Therapy (PCAR)
Abstract 012: Percutaneous Carotid Access and Closure System for Acute Revascularization and Endovascular Therapy (PCAR) Open
Introduction/Purpose Tortuosity can infrequently impact femoral or radial vascular access for thrombectomy or thrombaspiration. Direct carotid access (DCA) is a well‐known technique safely used for diagnostic angiography studies for > 60 y…
View article: Pre-and-post impact fall detection based on support vector machines using inertial and barometric pressure data
Pre-and-post impact fall detection based on support vector machines using inertial and barometric pressure data Open
Objective: This paper presents a novel real-time algorithm for fall detection, which contextualizes falls by identifying activities occurring both pre- and post-impact utilizing machine learning techniques and wearable sensors. Methodology…
View article: Association of Abnormal Cardiac Biomarkers and Cardiovascular Complications, with Mortality in Patients with SARS-CoV-2 Infection in Latin America
Association of Abnormal Cardiac Biomarkers and Cardiovascular Complications, with Mortality in Patients with SARS-CoV-2 Infection in Latin America Open
Background: The COVID-19 pandemic has highlighted a correlation between cardiac complications and elevated cardiac biomarkers, which are linked to poorer clinical outcomes. Objective: This study aims to determine the clinical impact of car…
View article: Converted wave tomography based on inverse level set and adjoint formulation
Converted wave tomography based on inverse level set and adjoint formulation Open
SUMMARY Shear wave velocity (Vs) is a fundamental property of elastic media whose estimation from PS converted waves is challenging and requires modelling the boundary where P to S conversion occurs. This paper presents a PS tomography whe…
View article: Differentiation smelling footprints of the Chagas disease vector using an electronic nose based on artificial intelligence algorithms
Differentiation smelling footprints of the Chagas disease vector using an electronic nose based on artificial intelligence algorithms Open
The present study aims to present the design of an electronic nose capable of learning and differentiating semiochemical signals emitted by insects usable to identify species that transmit Chagas disease. The proposed device used different…
View article: Daniel Sierra - VoxelMorph based Normalization in the Prediction of Stable VS Progressive MCI Conversion with Convolutional Neural Networks
Daniel Sierra - VoxelMorph based Normalization in the Prediction of Stable VS Progressive MCI Conversion with Convolutional Neural Networks Open
VoxelMorph based Normalization in the Prediction of Stable VS Progressive MCI Conversion with Convolutional Neural Networks
View article: Generation of Cry11 Variants of <i>Bacillus thuringiensis</i> by Heuristic Computational Modeling
Generation of Cry11 Variants of <i>Bacillus thuringiensis</i> by Heuristic Computational Modeling Open
Directed evolution methods mimic in vitro Darwinian evolution, inducing random mutations and selective pressure in genes to obtain proteins with enhanced characteristics. These techniques are developed using trial-and-error testing at an e…
View article: Model for location and failure alarms by ruptures on intelligents water supply systens
Model for location and failure alarms by ruptures on intelligents water supply systens Open
The urban water supply is a huge problem faced in the modern world, once that it is frequently affected by leaks that leads to the waste of large amounts of water, time and money, three of the main pillars for the sustainable development o…
View article: DNA secondary structure formation by DNA shuffling of the conserved domains of the Cry protein of Bacillus thuringiensis
DNA secondary structure formation by DNA shuffling of the conserved domains of the Cry protein of Bacillus thuringiensis Open
These results suggest the presence of thermodynamic variations associated to the formation of secondary structures and an evolutionary relationship with regions that encode highly conserved domains in Cry proteins. The findings of this stu…
View article: SVD polarization filter taking into account the planarity of ground roll energy
SVD polarization filter taking into account the planarity of ground roll energy Open
In real seismic acquisition, the presence of non-planar displacements for surface waves (due for example to scattering) is a common feature. Most polarization filters work on a preferential plane, under the assumption that ground roll disp…