Browsing Investigaciones by Title
Now showing items 392-411 of 1467
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Data augmentation via warping transforms for modeling natural variability in the corneal endothelium enhances semi-supervised segmentation
(Cartagena de IndiasIngeniería, 2024-11-12)Image segmentation of the corneal endothelium with deep convolutional neural networks (CNN) is challenging due to the scarcity of expert-annotated data. This work proposes a data augmentation technique via warping to enhance ... -
Data collection
(Cartagena de IndiasCiencias Básicas, 2024-09)Data gathering, the first step in generating knowledge, is a process that must proceed in line with communities’ needs and peoples’ practices. In this chapter, authors present case studies showing how technology can expedite ... -
Data envelopment analysis method and neural networks in the evaluation and prediction of the technical efficiency of small exporting companies
(Centro de Informacion Tecnologica, 2018)In this research, a method was developed to evaluate and predict the efficiency of small exporting companies taking as input or asset variables the total assets, equity, total liabilities, operating expenses, sales costs ... -
Data-driven framework for the detection of non-technical losses in distribution grids
(Cartagena de Indias, 2020-12-24)Non-technical losses (NTL) occurring in the electric grid, particularly at the distribution level may cause a negative impact on utilities' interest, paying consumers and states. Reducing NTL can increase revenue, profit, ... -
Dataset for Sun dynamics from topological features
(Cartagena de Indias, 2023-11-17)The present study presents an extensive dataset meticulously curated from solar images sourced from the Solar and Heliospheric Observatory (SOHO), encompassing a range of spectral bands. This collaborative effort spans ... -
Dataset of academic performance evolution for engineering students
(Campus TecnológicoIngeniería Industrial, 2020-04-18)This data article presents data on the results in national as- sessments for secondary and university education in engineering students. The data contains academic, social, economic information for 12,411 students. The ... -
Dataset of traffic accidents in motorcyclists in Bogotá, Colombia
(Cartagena de Indias, 2022-07-05)According to the World Health Organization, in 2016, Colombia obtained the tenth position worldwide, the third in the continent and the second in South America, according to the accident rate of 9.7 motorcycle fatalities ... -
De la responsabilidad social empresarial como creación de valor compartido a la innovación social basada en la solidaridad /
(2020)Este artículo es de carácter exploratorio e indaga sobre la pregunta ¿Cuáles son las relaciones entre responsabilidad social empresarial e innovación social? Con el propósito de identificarlos ejes relacionales que pueden ... -
Deep learning architectures for the analysis and classification of brain tumors in MR images
(Cartagena de Indias, 2020-11-03)The need to make timely and accurate diagnoses of brain diseases has posed challenges to computer-aided diagnosis systems. In this field, advances in deep learning techniques play an important role, as they carry out ... -
Definición de innovación en las instituciones del sector público /
(2020)El presente artículo se explora el concepto de innovación en el sector público; si en la gestión de la innovación buscamos obtener valor agregado sobre productos y servicios. En el marco de las instituciones públicas ... -
Definición de Perfiles Geográficos de hurto de automóviles. Caso Aplicado en Cartagena de Indias
(Cartagena de Indias, 2020-06)Esta investigación desarrolla un análisis geoespacial del hurto de automóviles ocurridos en la ciudad de Cartagena de Indias - Colombia. En el proceso de definición de perfiles de criminalidad se analizó el delito del hurto ... -
Del biocentrismo a la seguridad humana: un enfoque en el marco del reconocimiento del páramo de Pisba como sujeto de derechos
(Cartagena de Indias, 2020-01)This paper discusses the status of mining operations vis-a-vis nature as a subject of rights to the extent that they represent a serious threat not only to the fauna and flora in the areas where mining takes place but also ... -
Demand Side Management Studies on Distributed Energy Resources: A Survey
(Cartagena de Indias, 2020)The number of distributed environmentally friendly energy sources and generators necessitates new operating methods and a power network board to preserve or even increase the efficiency and quality of the power supply. ... -
Demand Side Management Studies on Distributed Energy Resources: A Survey
(Cartagena de Indias, 2021)The number of distributed environmentally friendly energy sources and generators necessitates new operating methods and a power network board to preserve or even increase the efficiency and quality of the power supply. ... -
Density of the level sets of the metric mean dimension for homeomorphisms
(Cartagena de IndiasCampus Tecnológico, 2023-12-10)Let N be an n-dimensional compact riemannian manifold, with n ≥ 2. In this paper, we prove that for any α ∈ [0, n], the set consisting of homeomorphisms on N with lower and upper metric mean dimensions equal to α is dense ... -
Density-functional theory with dispersion-correcting potentials for methane: Bridging the efficiency and accuracy gap between high-level wave function and classical molecular mechanics methods
(2013)Large clusters of noncovalently bonded molecules can only be efficiently modeled by classical mechanics simulations. One prominent challenge associated with this approach is obtaining force-field parameters that accurately ... -
Derivative-Free Power Flow Solution for Bipolar DC Networks with Multiple Constant Power Terminals
(Cartagena de Indias, 2022)This paper analyzes the power flow solution in bipolar direct current networks with radial structures considering multiple monopolar and bipolar constant power loads. The electrical configuration of the bipolar DC grid ... -
DERs integration in microgrids using VSCs via proportional feedback linearization control: Supercapacitors and distributed generators
(Elsevier Ltd, 2018)This paper presents an exact feedback linearization control strategy for voltage source converters (VSCs) applied to the integration of distributed energy resources (DERs) in smart distribution systems and microgrids. ... -
Desafíos e implicaciones del factor humano en el desarrollo de la industria 4.0 /
(2020)La industria 4.0 – "I4.0" (Cuarta revolución industrial, fábricas inteligentes) no es una opción, es el camino por el cual deben transitar las compañías hacia una revolución que ya ha iniciado. Este estudio examina y ... -
Desarrollo de documentos vivos y experimentación con el mundo físico como estrategias para la retención y la atracción de estudiantes de pregrado en los cursos de programación
(Cartagena de Indias, 2021-07-19)Este artículo describe las estrategias pedagógicas que fueron planeadas al interior del programa de Ingeniería de Sistemas y Computación adjunto a la Facultad de Ingeniería de la Universidad --- antes de la pandemia, para ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.
