Eduardo Quevedo Gutiérrez

Eduardo Quevedo Gutiérrez
Universidad de Las Palmas de Gran Canaria | ULPGC · Instituto Universitario de Microelectrónica Aplicada (IUMA)

PhD

About

63
Publications
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219
Citations
Introduction
Eduardo Quevedo Gutiérrez currently works at the Instituto Universitario de Microelectrónica Aplicada (IUMA), Universidad de Las Palmas de Gran Canaria. Eduardo does research in Electronic Engineering and Telecommunications Engineering.

Publications

Publications (63)
Article
Full-text available
The increasing prevalence of chronic non-communicable diseases makes it a priority to develop tools for enhancing their management. On this matter, Artificial Intelligence algorithms have proven to be successful in early diagnosis, prediction and analysis in the medical field. Nonetheless, two main issues arise when dealing with medical data: lack...
Article
Full-text available
Readers of the journal Education Sciences probably agree that playing games comes naturally—we all know how to play some game—however, because of the complexity of gaming, it is almost exclusively limited to mammals with regard to all animals: almost 80% of mammals use some sort of game for learning [...]
Article
Full-text available
Full comprehension of abstract concepts present in engineering education has been usually considered challenging. Engaging multimedia resources have proven to be useful pedagogical aids to increase students’ motivation. In fact, already existing dissemination videos might be suitable to fulfill this objective. This research aims to contribute asses...
Article
Full-text available
The objective of this research is to study the Scratch programming language as a didactic tool to teach functions. The introduction of didactic tools allowing comprehension in simple and attractive ways is required. Given the traditional teaching/learning system, it is necessary to organize participatory and collaborative dynamic classrooms, which...
Article
Full-text available
Early algebra proposes to incorporate algebra in primary school from the first years of schooling. The success of this incorporation depends, to a large extent, on the training of teachers, so the objective of this article is to study whether the degree of algebraic knowledge of student teachers at the beginning of their training. To conduct this,...
Article
Full-text available
EDUROV is an educational underwater robot proposal from the researchers of the Oceanic Platform of Canary Islands (PLOCAN) and the Computer Vision and Robotics research group of the University of Girona (VICOROB), launched in January 2012 with the support of the Spanish Foundation for Science and Technology (FECyT). This program has evolved in the...
Article
Full-text available
New technologies have offered great alternatives for education. In this context, we place robotics and programming as innovative and versatile tools that adapt to active methodologies. With the arrival of COVID-19 and lockdowns, physical resources were kept out of use, and the virtual lectures did not propose to incorporate these elements in a mean...
Article
Background The use of novel didactic approaches in Science, Technology, Engineering, Arts and Mathematics (STEAM) academic programs is a relevant topic in current educational research. In this context, Project‐Based learning is shown as a promising didactic tool for improving the motivation of engineering students. Objective To propose an adapted...
Article
Full-text available
This paper shows new contributions in the detection of skin cancer, where we present the use of a customized hyperspectral system that captures images in the spectral range from 450 to 950 nm. By choosing a 7 × 7 sub-image of each channel in the hyperspectral image (HSI) and then taking the mean and standard deviation of these sub-images, we were a...
Chapter
En un modelo educativo donde se apuesta cada vez más por las competencias STEM (Science, Technology, Engineering and Mathematics), basadas en la ciencia, la tecnología, la ingeniería y las matemáticas, resulta fundamental introducir los aspectos relativos a la creatividad a través de las artes, pasando entonces el modelo STEAM (Science, Technology,...
Chapter
Full-text available
Hyperspectral imaging (HSI) is a technology able to measure information about the spectral reflectance or transmission of light from the surface. The spectral data, usually within the ultraviolet and infrared regions of the electromagnetic spectrum, provide information about the interaction between light and different materials within the image. Th...
Conference Paper
The implementation of robotics in schools is inevitable in the years to come. Currently, this integration is not feasible for all schools (especially public ones) due to the high economic cost, which in most cases offer a closed system (both hardware and software) which limits the robot to a single educational level. The educational innovation proj...
Conference Paper
Educational robotics has come to the classrooms and is here to stay. STEAM (Science, Technology, Engineering, Arts and Mathematics) learning has put the use of robots in classrooms in vogue, though these are mostly closed products and at a high price. The educational innovation project “Design, implementation and tests of a modular low-cost educati...
Chapter
El uso del humor puede suponer una herramienta beneficiosa a la hora de captar la atención de los estudiantes y la retención de los conceptos en las aulas, especialmente cuando se trata de las disciplinas STEAM (Ciencia, Tec-nología, Arte y Matemáticas, por sus iniciales en inglés) u otro tipo de áreas del conocimiento abstractas y complejas. Sus s...
Article
Full-text available
Skin cancer is one of the most common forms of cancer worldwide and its early detection its key to achieve an effective treatment of the lesion. Commonly, skin cancer diagnosis is based on dermatologist expertise and pathological assessment of biopsies. Although there are diagnosis aid systems based on morphological processing algorithms using conv...
Chapter
El uso de herramientas didácticas de apoyo a la docencia puede ser un recurso útil a la hora de mejorar la actitud hacia el aprendizaje de las disciplinas STEAM (Science, Technology, Engineering, Arts and Mathematics). En este artículo se presenta un caso de aplicación de la creación de materiales didácticos de bajo coste, exponiendo la metodología...
Conference Paper
El concepto de función es un elemento fundamental del currículo de matemáticas de la Educación Secundaria Obligatoria, que está presente en otras muchas asignaturas y se utiliza en situaciones de la vida cotidiana en la que se relacionan dos magnitudes, como en estudios de crecimiento poblacional, estudios económicos o fenómenos naturales. Por otra...
Article
Super-resolution (SR) covers a set of techniques whose objective is to improve the spatial resolution of a video sequence or a single frame. In this scope, fusion SR techniques obtain high-resolution (HR) frames taking as a reference several low-resolution (LR) frames contained in a video sequence. This paper is based on a selective filter to decid...
Chapter
Full-text available
Image super-resolution (SR) is a process that enhances the resolution of an image or a set of images beyond the resolution of the imaging sensor. Although there are several super-resolution methods, fusion super-resolution techniques are well suited for real-time imple-mentations. In fusion super-resolution, the high-resolution images are reconstru...
Conference Paper
Full-text available
Rich interactive multimedia enables primary school students to enhance the learning process wherever they are. Teachers and parents can use specific videos produced in order to reinforce concepts with children, by showing real life scenarios. At the same time, it is interesting to check how adults would like to review simple concepts with these vid...
Conference Paper
Full-text available
The use of humor could be a useful tool in order to increase students' attention and their concept retention in classrooms, particularly regarding to STEAM (Science, Technology, Engineering, Arts and Mathematics) learning or other abstract and complex knowledge. This paper presents the advantages of humor introduction in teaching activity at differ...
Article
This work presents the computational acceleration of a proprietary Super-Resolution (SR) algorithm (patented) for image and video enhancement. The considered algorithm is based on fusion SR techniques. The version proposed in this paper consists on the comparison of frames divided into Macro Blocks (MB) of fixed dimensions and on acquisition from a...
Article
Image spatial resolution is critical in several fields such as medicine, communications or satellite, and underwater applications. While a large variety of techniques for image restoration and enhancement has been proposed in the literature, this paper focuses on a novel Super-Resolution fusion algorithm based on a Multi-Camera environment that per...
Conference Paper
Full-text available
Trying to reach diffraction-limited astronomical observations from ground-based telescopes is very challenging due to the atmospheric effects contributing to a general blurring of the images. However, astronomy is not the only science facing turbulence problems; obtaining quality images of the undersea world is as ambitious as it is on the sky. One...
Article
Full-text available
Underwater Wireless Sensor Networks (UWSNs) using electromagnetic (EM) technology in marine shallow waters are examined, not just for environmental monitoring but for further interesting applications. Particularly, the use of EM waves is reconsidered in shallow waters due to the benefits offered in this context, where acoustic and optical technolog...
Conference Paper
Full-text available
In the ELTs era, where the need for versatile and innovative solutions to produce very high spatial resolution images has become a major issue, the search of synergies with other science fields seems a logic step. One of the considered alternatives to reach high-resolution images is the use of several frames of the same target, this approach is kno...
Article
In the first part of the paper, we modeled and characterized the underwater radio channel in shallowwaters. In the second part,we analyze the application requirements for an underwaterwireless sensor network (U-WSN) operating in the same environment and perform detailed simulations. We consider two localization applications, namely self-localizatio...
Article
PERSEUS (Protection of European Borders and Seas Through the Intelligent Use of Surveillance) was selected as a demonstration project in the FP7 Security call FP7-SEC-2010-1. Its goals were to define and demonstrate a European concept for maritime surveillance systems and to deploy it across the Mediterranean and Atlantic Ocean. The systems were se...
Article
Full-text available
The authors present full wave simulations and experimental results of propagation of electromagnetic waves in shallow seawaters. Transmitter and receiver antennas are ten-turns loops placed on the seabed. Some propagation frameworks are presented and simulated. Finally, simulation results are compared with experimental ones.
Technical Report
Full-text available
We analyze the problem of localization algorithms for underwater sensor networks. We first characterize the underwater channel for radio communications and adjust a linear model with measurements of real transmissions. We propose an algorithm where the sensor nodes collaboratively estimate their unknown positions in the network. In this setting, we...
Conference Paper
The FP7 funded TROPOS project approach is to develop a modular multi-use platform for use in deep waters, coupling several activities, amongst which aquaculture production and renewable energy conversion, with a focus on the Mediterranean, tropical and sub-tropical regions. In this paper, the environmental monitoring, afety and security aspects of...
Article
Super-Resolution (SR) consists in processing an image or a set of images in order to enhance the resolution of a video sequence or a single frame. In this paper, fusion SR techniques are considered, where High-Resolution (HR) images are constructed from several observed Low-Resolution (LR) images, thereby increasing the high-frequency components an...
Conference Paper
Variable Size Block-Matching Super-Resolution covers a set of techniques which objective is to improve the resolution of a video sequence or a single frame considering variable sized Macro-Blocks. In this paper, this approach is combined with a Multi-Camera system to take advantage from the spatial and temporal correlations between frames.
Conference Paper
In this work, the factors of reduction of memory requirements and increase in memory traffic associated with the change from reference frame level (baseline algorithm) to macroblock-level for the Super-Resolution (SR) image restoration non-uniform grid projection algorithm are compared over combinations of algorithm parameter values. Then, based on...
Conference Paper
Full-text available
The objective of the FP7 funded TROPOS project is to design a modular multi-use platform for use in deep waters, with a focus on the Mediterranean, tropical and sub-tropical regions. In this paper, the related environmental aspects are considered, where both legal and technical issues are addressed. The multiple purpose platforms can enlarge the be...
Conference Paper
Full-text available
The Word fish utilization during the last decades, shows a rapid increase, as a result of the increase of population and an increase in the per capita consumption. Several projections have been made to predict this growth and currently the global food fish demands for 2030 is expected to be 183 million tones, of which Aquaculture has to contribute...
Article
The Longest-Edge (LE) trisection of a triangle is obtained by joining the two points which divide the longest edge in three with the opposite vertex. If LE-trisection is iteratively applied to an initial triangle, then the maximum diameter of the resulting triangles is between two sharpened decreasing functions. This paper mathematically answers th...
Article
Super-Resolution (SR) covers a set of techniques whose objective is to improve the resolution of a video sequence or a single frame. In this scope, a fusion SR algorithm has been used, where High-Resolution (HR) images are constructed from several observed Low-Resolution (LR) images. In this paper, this approach is combined with a Multi-Camera (MC)...
Conference Paper
Full-text available
The key objective of the on-going TROPOS project is the development of a floating modular multi-use platform system for use in deep waters with an initial geographic focus on locations of Crete (Greece), Gran Canaria and Taiwan. The TROPOS multi-use platform system will be able to integrate a range of functions from the Transport, Energy, Aquacultu...
Conference Paper
Georeferencing consists in establishing a relationship between information and geographic locations, usually through geospatial referencing (i.e., longitude and latitude coordinates). Super-Resolution is a technique that enhances the spatial resolution of an imaging system. In this paper, the integration of both Georeferencing and Super-Resolution...
Conference Paper
PERSEUS has included technological innovations in the areas of detection and analysis applied to maritime security, trying to become the first European-scale maritime surveillance system able to detect small ships and low-high flights. The overall technical and operational approach will pool multiple sensors, monitoring platforms and information so...
Conference Paper
Super-Resolution (SR) covers a set of techniques which objective is to improve the resolution of a video sequence or a single frame. In this scope, a fusion SR algorithm has been used, where High-Resolution (HR) images are constructed from several observed Low-Resolution (LR) images. In this paper, this approach is combined with a Multi-Camera (MC)...
Conference Paper
In order to play georeferenced videos, The Oceanic Platform of the Canary Islands (PLOCAN) is currently using a desktop-based software. In this paper, a port to a web-based video player is reviewed. In addition to its main advantages, new features are also discussed, such as the download of superresolved frames.
Conference Paper
Full-text available
The FP7 funded TROPOS project approach is to develop a modular multi-use platform for use in deep waters, with a focus on the Mediterranean, tropical and sub-tropical regions. In this paper, three different platforms configurations, - which have been designed to show the synergies and compatibilities among the platform uses of Transport, Energy, Aq...
Conference Paper
Super-Resolution (SR) is a set of techniques which objective is to increase and improve the resolution of an image or a video sequence. In this scope, one of the most used techniques is “fusion”, where High-Resolution (HR) images are constructed from several observed Low-Resolution (LR) images. In this paper, a fusion SR algorithm is enhanced intro...
Conference Paper
The necessity to improve image resolution is of great concern in multiple diverse fields such as: medicine, communications, or satellite and underwater applications. A high variety of techniques for image enhancement has been proposed in the literature, being a trade-off the relation between the computation time and the quality of the obtained resu...
Conference Paper
This paper covers a new approach on Cloud Computing for Scientific Data Storage and Processing using a hybrid system with both on-site and on-the-cloud systems. The system analyzes use cases which are not resolved by either one of the single systems themselves.
Conference Paper
The necessity to improve image resolution is of great concern in multiple diverse fields such as: medicine, communications, or satellite and underwater applications. A high variety of techniques for image enhancement has been proposed in the literature, being a trade-off the relation between the computation time and the quality of the obtained resu...
Conference Paper
In this paper it is shown the quality assessment implementation of longest-edge refinement algorithms for application in real-time terrain operations. The proposed refinement schemes are suitable tools for the subdivision of underlying triangle mesh. They pose quite acceptable properties as quality ratio, linear time operation and algorithm simplic...
Conference Paper
We present empirical evidence of the convergence study in 3D and some other ongoing results will be given for the LE n-section of tetrahedra when n≥4. Our contribution helps to a better understanding of partitioning and refinement methods in 3 Dimensions.
Conference Paper
Full-text available
The development of a multi-purpose offshore platform system which could integrate a range of functions from the transport, energy, aquaculture and leisure sectors would help overcome challenges in each of the individual sectors as well as providing additional benefits to society. The FP7 funded TROPOS project approach to this challenge and opportun...
Conference Paper
The necessity to improve image resolution is of great concern in multiple diverse fields such as: medicine, communications, or satellite and underwater applications. A high variety of techniques for image enhancement has been proposed in the literature; nevertheless it is necessary to fairly validate this improvement effectively. This work is focus...
Conference Paper
The longest-edge (LE) trisection of a triangle � is obtained by joining the two equally spaced points of its longest-edge with the opposite vertex. Let � > 0 be the smallest interior angle of � and �0 the smallest angle of any triangle obtained after iteration of the LE-trisection.
Conference Paper
Let ¢ABC be a triangle with vertexes A, B, and C. The longest-edge trisection of ¢ABC is as follows: choose the longest side (say AB) of ¢ABC, let D and E be the points which divide in three AB, then replace ¢ABC by three triangles ¢ACD, ¢CDE and ¢BCE. If longest-edge trisection is iteratively applied to an initial triangle, then it is proved that...

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Projects

Projects (5)
Project
This is a PhD project, focused on the evaluation of audiovisual scientific communication resources as didactic tools for STEM disciplines. Study cases are implemented in the BSc. in Electrical Engineering.
Archived project
The key objective of the TROPOS project is the development of a floating modular multi-use platform system for use in deep waters, with an initial geographic focus on the Mediterranean, Tropical and Sub-Tropical regions but designed to be flexible enough not to be limited in geographic scope.
Project
AOLI, Adaptive Optics Lucky Imager, is an instrument developed to deliver the highest spatial resolution ever obtained in astrophysics in the visible, ~20 mas, from ground-based telescopes.