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1
tesis de grado
Publicado 2023
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Compañías mineras están en búsqueda constante de nuevas tecnologías para aumentar su productividad. Una de las tecnologías que les permite realizar la reconstrucción de la superficie sin poner en riesgo la vida de sus trabajadores es el uso de sensores LiDAR junto con plataformas móviles que les permiten rotar el sensor para realizar un escaneo completo de la estructura. Sin embargo, el procesamiento de los datos se realiza a través de ordenadores situados fuera de la mina, debido a su alto coste computacional, lo que se traduce en un alto coste de tiempo. En esta tesis presento como objetivo principal el diseño de un algoritmo paralelo para la fusión de nubes de puntos capturadas por un LiDAR y la reconstrucción de la superficie en tiempo real, con el fin de reducir el tiempo de procesado, teniendo en cuenta información a priori del patrón de barrido de los puntos. En la l...
2
tesis de grado
Publicado 2023
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Compañías mineras están en búsqueda constante de nuevas tecnologías para aumentar su productividad. Una de las tecnologías que les permite realizar la reconstrucción de la superficie sin poner en riesgo la vida de sus trabajadores es el uso de sensores LiDAR junto con plataformas móviles que les permiten rotar el sensor para realizar un escaneo completo de la estructura. Sin embargo, el procesamiento de los datos se realiza a través de ordenadores situados fuera de la mina, debido a su alto coste computacional, lo que se traduce en un alto coste de tiempo. En esta tesis presento como objetivo principal el diseño de un algoritmo paralelo para la fusión de nubes de puntos capturadas por un LiDAR y la reconstrucción de la superficie en tiempo real, con el fin de reducir el tiempo de procesado, teniendo en cuenta información a priori del patrón de barrido de los puntos. En la l...
3
artículo
Publicado 2018
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Siguiendo las tecnicas desarrolladas por Paul Dupuis, Vaios Laschos y Kavita Ramanan en [8], se establecera un principio de grandes desviaciones para una secuencia de procesos puntuales denidos por medidas de Gibbs en una variedad riemanniana bidimensional compacta y orientable. Veremos que la correspondiente secuencia de medidas empíricas converge a la solucion de una ecuacion diferencial parcial y, en ciertos casos, a la forma de volumen de una metrica de curvatura constante.
4
artículo
Publicado 2004
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In this second part is proposed to revise and to consolidate binding concepts in the models and analysis techniques cost-volume-utilities (C-V-U) that are pertinent in a vulnerable and very sensitive economy to the changes of the competitive forces. Furthermore it concepts of leverage operating and elasticity price of the demand so that the engineer of processes has more extensive criteria for his analysis and proposals of solutions with greater professional rigorousness.
5
artículo
Publicado 2004
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In this second part is proposed to revise and to consolidate binding concepts in the models and analysis techniques cost-volume-utilities (C-V-U) that are pertinent in a vulnerable and very sensitive economy to the changes of the competitive forces. Furthermore it concepts of leverage operating and elasticity price of the demand so that the engineer of processes has more extensive criteria for his analysis and proposals of solutions with greater professional rigorousness.
6
tesis de maestría
Los filtros medianos son una técnica digital no lineal normalmente usada para remover ruido blanco, ’sal y pimienta’ de imágenes digitales. Consiste en reemplazar el valor de cada pixel por la mediana de los valores circundantes. Las implementaciones en punto flotante usan ordenamientos con técnicas de comparación para encontrar la mediana. Un método trivial de ordenar n elementos tiene una complejidad de O(n2), y los ordenamientos más rápidos tienen complejidad de O(n log n) al calcular la mediana de n elementos. Sin embargo, éstos algoritmos suelen tener fuerte divergencia en su ejecución. Otras implementaciones usan algoritmos basados en histogramas, y obtienen sus mejores desempeños cuando operan con filtros de ventanas grandes. Estos algoritmos pueden alcanzar tiempo constante al evaluar filtros medianos, es decir, presenta una complejidad de O(1). El presente trabajo ...
7
tesis de maestría
Los filtros medianos son una técnica digital no lineal normalmente usada para remover ruido blanco, ’sal y pimienta’ de imágenes digitales. Consiste en reemplazar el valor de cada pixel por la mediana de los valores circundantes. Las implementaciones en punto flotante usan ordenamientos con técnicas de comparación para encontrar la mediana. Un método trivial de ordenar n elementos tiene una complejidad de O(n2), y los ordenamientos más rápidos tienen complejidad de O(n log n) al calcular la mediana de n elementos. Sin embargo, éstos algoritmos suelen tener fuerte divergencia en su ejecución. Otras implementaciones usan algoritmos basados en histogramas, y obtienen sus mejores desempeños cuando operan con filtros de ventanas grandes. Estos algoritmos pueden alcanzar tiempo constante al evaluar filtros medianos, es decir, presenta una complejidad de O(1). El presente trabajo ...
8
artículo
Publicado 2017
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Peruvian retail market today, more than ever, has turned the phrase “everything goes through the eyes” into a competitive tool. The design and optimization of space, as well as visual merchandising, are techniques that impact the sale new concepts such as omnicanality and buying experience are fed by data analytics in order to describe the commercial mode; and new qualitative sources of information, among them color theory, specially help to understand and predict the impact of future decisions on the point of sale. This paper describes the utility of image processing techniques to innovate the retail market in the effort to extract useful information from advertising pieces frequently used in this sector.
9
artículo
Publicado 2017
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Peruvian retail market today, more than ever, has turned the phrase “everything goes through the eyes” into a competitive tool. The design and optimization of space, as well as visual merchandising, are techniques that impact the sale new concepts such as omnicanality and buying experience are fed by data analytics in order to describe the commercial mode; and new qualitative sources of information, among them color theory, specially help to understand and predict the impact of future decisions on the point of sale. This paper describes the utility of image processing techniques to innovate the retail market in the effort to extract useful information from advertising pieces frequently used in this sector.
10
artículo
The processes of indebtedness on the part of the states have been constant and carried out for various reasons in different countries.In the case of countries in the process of development or with problems to achieve it, different spaces have been created to modify the type of debt and the processes to pay it.However, all this generates a socio-economic problem that affects, especially, low-income citizens.In the present work, it is studied in depth the processes of indebtedness and, mainly, the modifications to them by means of the payment facilities. In turn, its impact is evaluated andcontrasted with an ethical view of the problem.
11
artículo
The processes of indebtedness on the part of the states have been constant and carried out for various reasons in different countries.In the case of countries in the process of development or with problems to achieve it, different spaces have been created to modify the type of debt and the processes to pay it.However, all this generates a socio-economic problem that affects, especially, low-income citizens.In the present work, it is studied in depth the processes of indebtedness and, mainly, the modifications to them by means of the payment facilities. In turn, its impact is evaluated andcontrasted with an ethical view of the problem.
12
artículo
The processes of indebtedness on the part of the states have been constant and carried out for various reasons in different countries.In the case of countries in the process of development or with problems to achieve it, different spaces have been created to modify the type of debt and the processes to pay it.However, all this generates a socio-economic problem that affects, especially, low-income citizens.In the present work, it is studied in depth the processes of indebtedness and, mainly, the modifications to them by means of the payment facilities. In turn, its impact is evaluated andcontrasted with an ethical view of the problem.
13
artículo
Publicado 2017
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The main function of educational leadership is to cope with educational change. However, pedagogical practice shows that not all educational managers are prepared to effectively lead the initiatives and pedagogical innovations that arise in schools to continuously achieve better quality indices. Limitation provoked in the fundamental, by the tendency at world-wide level to conceive the most curricular designs of postgrado oriented towards the formation of competences of professionals for the investigation. It is a methodological error to leave to the spontaneity in the educational directors the development of competences for the management of the innovations, since the management of the quality is conditional of significant way by the scientific and innovative character of the process. It is the objective of this paper to reflect on the contributions of the author through postgraduate ac...
14
artículo
Publicado 2019
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The growing visibility of violence in schools has caused multiple demands to know their condition in our societies. Given this, the conceptual, analytical and methodological challenges faced between those engaged in their empirical research are evident. However, many of those who face these challenges do not analyze the parallel processes that are configured as the research progresses. This is the case of changes about the role of students in this collective effort. The objective of this document is to analyze the advances and dilemmas of the empirical research on violence in Mexico, focusing on the implications derived from the legitimization of the voices of children and adolescents. This analysis based on the specialized literature on school violence and the voices of students, warns that although studies that conceive these populations as individuals capable of providing data on this...
15
tesis de grado
El presente proyecto se encuentra en el sector restaurantes y tiene por finalidad de constituir una empresa. En el rubro elaboración y comercialización por el servicio delivery de alimentación. El estudio ha descrito varias necesidades a satisfacer. La demanda de los servicios delivery presenta una tendencia creciente, especialmente en el aspecto demográfico. En el estudio técnico se ha determinado la fuente de aprovisionamiento que será la ciudad de Iquitos. Los procesos diseñados buscan crear un producto de calidad. En el estudio organización se ha determinado los ingredientes, insumos y maquinarias y equipos para lograr tal objetivo. Los ratios económicos y financieras que arroja el proyecto señalan la viabilidad y rentabilidad de la inversión, con indicadores positivos que aseguran la inversión.
16
artículo
Publicado 2014
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This article seeks to be a source of knowledge and help students and teachers, from the synthesis of the personal college student’s experience in developing their learning to the teaching of natural sciences at the secondary level. In addition, during the development of this article, there are some of the advantages and limitations encountered at this stage of studies contrasted with the reality of education in our country, and it provides a global vision and a neutral point of view about the problems faced by many students during the university life, which often has not been able to be transmitted in its entirety, however, through this document it seeks to break these patterns and improve communication between the authorities and students.
17
artículo
Publicado 2025
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This paper addresses the scope and configuration of Mapuzugun (Mapudungun) language neutrality in the context of contemporary Chile. Since the 2019 social protests and riots (“estallido social”) and the 2022 constitutional drafting process, Mapuche culture and politics have moved to the center of Chile’s concerns. Through a critical sociolinguistic analysis from a glottopolitical perspective, this paper analyzes how the trope of Mapuzugun language neutrality provides evidence of an often-overlooked tension. Such tension lies between the urgency to establish a transparent and accessible language for all audiences, suitable for modern life, and the need to emphasize the specificity and originality of an indigenous identity amidst a vindication process.
18
artículo
Publicado 2024
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The study of Chemistry in high school often faces various difficulties that affect understanding and academic performance, which may arise from conceptual complexity, lack of connection with daily life, and traditional educational methodology. Objective: To understand the difficulties of students in learning Chemistry during high school, from their perspective, and to identify didactic alternatives used to overcome them. Methodology: A mixed approach with exploratory-descriptive scope, non-experimental, cross-sectional cohort was used, employing survey technique on the total sample (120 students), consisting of 12 thematic blocks and 12 items, aiming to understand the difficulties from students' perspective with a reliability of 0.835 in Cronbach's Alpha. Results: The results revealed that the most common difficulties include lack of motivation, abstraction of chemical concepts, topics r...
19
artículo
Publicado 2023
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The French authors Henri Bergson and Henri Poincaré call attention upon intuition and its relationship to mathematical invention. Both authors believe that intuition is an intellectual process that requires individual experience both physical and mathematical. They also claim that the results of intuition are to be observed in the surface of consciousness, i.e. in mathematical language. Additionally, both authors believe that intuition is necessary for mathematical invention. This paper shows the coincidences between Bergson and Poincaré concerning the relationship between intuition and invention. It investigates how its definition leads to the understanding of intuition as a process and, finally, how the idea of a dynamic scheme—introduced by Bergson to explain invention—is implicitly present in Poincaré’s thought.
20
tesis de grado
Publicado 2025
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Nowadays, the management of foundry machinery is expensive and complicated, not only because of the energy used, but also because of the polluting, lengthy and dangerous process. This perspective is relevant given that, in many metallurgical micro-enterprises, and even educational center laboratories, waste is generated that is sold at a very low price and a product made from virgin material is purchased, increasing the expense, time and natural consumption in the foundry process. The following innovation work develops a prototype proposal for a foundry process that provides optimization for the metallurgical industry on a smaller scale. The approach includes placing the material (waste) in a heating system that works through a conduction transfer, which is theoretically supported due to the short-circuit process complemented by Joule's Law, which is the conversion of electrical energy i...
