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Now showing items 1-20 of 491
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1D Convolutional Neural Network for Detecting Ventricular Heartbeats
(Universidad de la Costa, 2020)This paper shows a novel approach for detecting ventricular heartbeats using a 1D Convolutional Neural Network (1D-CNN). The algorithm input is the raw ECG signal, i.e., no signal pre-processing nor feature extraction are ... -
A case of food supply chain management with ahp, dematel, and topsis
(Universidad de la Costa, 2019-08-27)The bullwhip effect leads to considerable inefficiencies along the food supply chain such as missed production schedules, poor customer service, excessive inventory, and misguided capacity plans. To tackle this problem, ... -
A case of food supply chain management with AHP, DEMATEL, and TOPSIS
(Universidad de la Costa, 2019-08-27)The bullwhip effect leads to considerable inefficiencies along the food supply chain such as missed production schedules, poor customer service, excessive inventory, and misguided capacity plans. To tackle this problem, ... -
A color fusion model based on Markowitz portfolio optimization for optic disc segmentation in retinal images
(Corporación Universidad de la Costa, 2021-07-15)Retinal disorders are a severe health threat for older adults because they may lead to vision loss and blindness. Diabetic patients are particularly prone to suffer from Diabetic Retinopathy. Identifying relevant structural ... -
A comprehensive study of biofilms growing on the built heritage of a caribbean industrial city in correlation with construction materials
(Universidad de la Costa, 2019)Biodeteriogens growing on constructions belonging to the built heritage is one of the leading natural pathologies that cause aesthetical and in some cases, physical-geochemical problems in the materials. In this study, for ... -
A FAHP-VIKOR approach for supporting the selection of tomography equipment in LMIC hospitals: a case study
(Corporación Universidad de la Costa, 2021)Computerized Tomography Scanners (CT-SCAN) provide detailed cross-sectional images of the human body which are employed for the easier detection and further analysis of abnormalities concerning the functionality and structure ... -
A fuzzy logic proposal for diagnosis multiple incipient faults in a power transformer
(Corporación Universidad de la Costa, 2021)For the safety and continuity of service in industrial electrical systems, the availability of transformers is essential. For this reason, it is necessary to develop intelligent fault diagnosis techniques to reduce repair ... -
A generic materials and operations planning approach for inventory turnover optimization in the chemical industry
(Corporación Universidad de la Costa, 2020)Chemical industries usually involve continuous and large-scale production processes that require demanding inventory control systems. This paper aims to show the results of the implementation of a mixed-integer programming ... -
A hybrid fuzzy multi-criteria decision making model for selecting a sustainable supplier of forklift filters: a case study from the mining industry
(Corporación Universidad de la Costa, 2020-07-30)Supplier selection has long been a strategic cornerstone for the advancement of companies from the mining sector due to its impact on many sectors as inventory management, production planning, maintenance scheduling, ... -
A hybrid fuzzy multi-criteria decision-making model to evaluate the overall performance of public emergency departments: a case study
(Corporación Universidad de la Costa, 2020-10-05)Performance evaluation is relevant for supporting managerial decisions related to the improvement of public emergency departments (EDs). As di®erent criteria from ED context and several alternatives need to be considered, ... -
A mathematical model for the optimization of the non-metallic mining supply chain in the mining district of Calamarí-Sucre (Colombia)
(Corporación Universidad de la Costa, 2020)This article presents a mathematical model of the Supply chain of non-metallic mining. The model considers uncertainty scenarios in materials, elements for capacity planning in a multilevel chain and with multiple products. ... -
A method for estimating the age of people in forensic medicine using multivariable statistics
(Corporación Universidad de la Costa, 2020-09-08)The present study seeks to generate a regression model that allows estimating the age of individuals in the city of Barranquilla (Colombia) from the stages of people’s teeth, in order to generate a tool to help forensic ... -
A method for the prediction of the shrinkage in roasted and ground coffee using multivariable statistics
(Corporación Universidad de la Costa, 2020-09-08)This study seeks to determine the influence of process variables: consumption percentage in the mixture, pasilla percentage in the mixture, storage time, humidity percentage in the product for consumption, humidity percentage ... -
A methodology to estimate baseline energy use and quantify savings in electrical energy consumption in higher education institution buildings: Case study, Federal University of Itajubá (UNIFEI)
(Universidad de la Costa, 2020-01-20)Accurately forecasting energy consumption in a building is an important strategy for achieving the goal of reducing energy demand and improving energy efficiency. University campuses represent specific groups of diverse ... -
A mho type phase comparator relay guideline using phase comparison technique for a power system
(Corporación Universidad de la Costa, 2021-04)This paper presents a mho distance relay simulation based on the phase comparison technique using a typical electrical power systems analysis software for two cases: when the operation state is close to the static voltage ... -
A multicriteria decision‐making framework for assessing the performance of gynecobstetrics departments: a case study
(Corporación Universidad de la Costa, 2021-02)Gynecobstetrics departments (GDs) oversee diagnosing, monitoring, and treating female reproductive diseases as well as assisting women during pregnancy. Their importance motivates the creation of suitable performance ... -
A multiple criteria decision-making approach for increasing the preparedness level of sales departments against COVID-19 and future pandemics: A real-world case
(Corporación Universidad de la Costa, 2021)The impact of the pandemic and the lockdown has been more devastating than expected on the world economy. It is essential to formulate strategies in real-time. In this research, a multicriteria decision-making model for ... -
A new formulation for strength characteristics of steel slag aggregate concrete using an artificial intelligence-based approach
(Corporación Universidad de la Costa, 2021)Studies examining nanoparticles (NPs) and hazardous elements (HEs) contained in suspended sediments (SSs) are vital for watershed administration and ecological impact evaluation. The biochemical consequence of titanium-n ... -
A new methodology incorporating public participation within Cuba's ICZM program
(Universidad de la Costa, 2020-01-20)Although public participation (PP) has influenced some integrated coastal zone management (ICZM) programs around the world, researchers have rarely analyzed this component specifically inside an ICZM cycle. Furthermore, ... -
A practical methodology of design of off-line reservoirs for reducing maximum water levels in urban channels
(Corporación Universidad de la Costa, 2020)Flooding can often occur in many places due to the increasing trend of rainfall events (climate change), the urbanization process of a catchment area, or by an undersized urban channel. Reservoirs are used for limiting ...