CIPA Congress Ávila 2019

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From 1 to 5 September, Avila held the twenty-seventh edition of the International CIPA Symposium for the documentation of the heritage (CIPA 2019).

This year’s edition brought together at the event more than 300 experts in the field from over the world. On the first day of the symposium, attendees were able to enjoy different tutorials given by experts at the Higher Polytechnic School of Ávila: from tutorials for the use of BIM tools for the conservation and management of heritage to the application of underwater photogrammetry applied to Cutural Heritage. During the rest of the days, participants were able to attend demos sessions, poster sessions, technical sessions and oral presentations at the Conferences and Exhibitions Centre Lienzo Norte.

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After five intense days, the International Symposium ended with the closing session through a summary video (summary at https://www.youtube.com). The location of the next edition of CIPA, which will be held in Beijing (China) from 28 august to 1 september, was also communicated.

Not only the International Symposium allowed to the participants to know the last news and trends about the documentation of the historic heritage but also to know Avila from a touristic point of view. For this end, some guided visits to the cathedral , the wall and a tapas tour were organized.

More information about the 27th International Symposium at https://www.cipa2019.org.

New published on 10/03/2019

The final meeting of the HeritageCare European Project

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The results of the European project HeritageCARE are presented.

On July 11, after three years, the final meeting of the HeritageCare project was held at the Higher Polytechnic School of Ávila.  During this meeting, and thanks to an organizated workshop it was possible to show all the results obtained on the project, from a teorical and practical point of view. In this workshop, all the participants were able to know in detail the methodologies developed in the framework of the project as well as it application in Europe. At the end of this meeting, the participants could be visited the wall thanks to a guided visit.

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The HeritageCARE project – Monitoring and preventive conservation of historical and cultural heritage – has carried out under the Interreg – SUDOE Program with support from the European Regional Development Fund (ERDF) of EUR 1,284,712.11 for a total amount of the project. 1,686,282.82 euros. It has coordinated by the University of Minho and has had the participation of the Regional Directorate of Northern Culture, Computer Graphics Center, Santa Maria la Real Foundation of Historical Heritage (Spain), Andalusian Institute of Historical Heritage (Spain), University of Salamanca – Ávila Center (Spain), University of Clermont – Auvergne (France), University of Limoges (France).

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The project aimed to implement an integrated and sustainable methodology for the preventive conservation and maintenance of historical and cultural heritage in Portugal, Spain and France.

More information: http://heritagecare.eu.

New published on 10/03/2019

Diego González Aguilera invited conference at the Coello international awards

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Presentation ceremony of the Francisco Coello International Prize 2019 (XIX edition), held on 3/14/2019 in the Hall of Degrees of the A-3 building at the University of Jaén, with the presence of the Grand Rector D. Juan Gómez Ortega.

Conference invited by Mr. Diego González Aguilera (Higher Polytechnic School of Avila, University of Salamanca), entitled “From the image to intelligent 3D models”.

To watch the full conference visit: tv.ujaen.es.

New published on 09/20/2019

QR codes to save lives

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The TIDOP research group of the USAL develops a web platform to optimize rescue times in traffic accidents.

The TagForRescue prototype allows “to improve the assistance times of the emergency services in traffic accidents against the procedures used in the rescue of victims trapped in the vehicles involved,” says Diego González Aguilera, director of the recognized research group TIDOP assigned to the Higher Polytechnic School of Ávila of the University of Salamanca (USAL), before commenting that the 60 minutes following are “crucial” in terms of medical care to keep a person alive or minimize their injuries.

He proposes a system that reads QR codes with technical information related to the vehicle and health data of the occupants, being this last one “the most controversial”. It is confidential information, so they have created an open platform for the user to decide what information they want to make public in case of an accident. Another difficulty encountered by those responsible for reading the QR codes is to identify each of the injured correctly. The formula that these Spanish researchers have chosen is to collect the driver’s records and regular passengers. These codes are strategically placed, according to the guidelines of the experts in these tasks, so that at least one of them can be read by a “specific encryption protocol” so that only these modules can be deciphered by the health services and rescue forces. When making the technological development, says González Aguilera, that they have taken as a guide the rescue sheets that have all the brands of cars of the different models they sell.

And, as González Aguilera emphasizes, the speed of the intervention and decision making are fundamental. In this regard, he points out that there are studies that show that a 10-minute reduction in medical response time can decrease the probability of death of a victim in a car accident by one third. Therefore, TagForRescue can be “vitally important.”

The tool was designed for the iPhone iOS operating system, but it can be “extrapolated” to any other language. It emerged, as he remembers, following the doctoral thesis of Alejandro Morales. It showed the increase in the presence of firefighters in traffic accidents, because new vehicles safeguard more lives than before by their own design and their active and passive safety means, but, at the same time, the deformity they acquire causes a bigger complexity for rescue.

For González Aguilera, the biggest innovation of the project is not in technology – “based on web technology that already exists”, he says – but in making rescue times “more efficient”. In addition, the system makes the intervention “not so tight, with steps so close that require its time.”

Right now it is only a prototype, however, they are in conversations with potential clients so that it can materialize. The “ideal” business model would be through insurers and car dealers who want to incorporate this “quality seal” into their services. The point is that, as he acknowledges, it is not as simple as it seems.

In the first place, the professor of the USAL says that even having interested companies, the General Directorate of Traffic (DGT) would have to be part of the initiative. In this way, all rescue teams could be provided with the necessary technological means. Keep in mind that any municipality with more than 20,000 inhabitants has a fire station. “It would not be expensive, since with a tablet or mobile phone it could be solved,” he says.

The director of the recognized and consolidated research group TIDOP of the University of Salamanca says that “it is not anything new”. Some high-end brands offer similar tools, but with nuances. However, the most important contribution, in his opinion, is the new characteristics of vehicles and new situations that can happen with hybrid cars, such as where the batteries are placed – “a very interesting fact to avoid electrocutions” -, the presence of new materials that do not allow cutting the different parts, whether it is diesel or gasoline… “With all that information firefighters know what car they are facing.” And it goes further: the operation can be prepared since they leave the station if the companions who are in the place of the events send them the QR code.

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Diego González Aguilera declares that TagForRescue can be extended to special vehicles, dangerous merchandise, trucks… where the rescue protocol is “complicated” and knowing this information would help “a lot,” he says.

The numbers confirm its usefulness. According to official data collected by the DGT in its balance sheet of 2017, the car fleet in Spain grew by more than one million units in the last ten years counting all categories of vehicles. Specifically, during the past year there was an increase of 780,423 units in the total compared to the previous year.

In addition, in 2017 the census of drivers maintained by the General Directorate of Traffic reached 26,649,453 drivers, a number that represents a percentage increase of 1% compared to 2016. Meanwhile, it is estimated that the Spanish public road network amounts to more than 660,000 kilometers.

During the past year, the majority of accidents involving victims took place on urban roads (63%), however, it is on interurban roads where the highest number of deaths is recorded (72%). With regard to the number of hospitalized injured, they are distributed in a similar proportion in interurban and urban roads.

González Aguilera also ensures that research and innovation have “lights and shadows.” He acknowledges that there are initiatives that encourage entrepreneurship and the generation of technology companies and, therefore, the R & D fabric of Castilla y León, however, technology centers and universities are neglected.

For González Aguilera, society values talent and innovation, especially health-related projects, but for researchers to have “peace and quiet”, he says that administrations would have to develop plans “that do not look so much to the companies, but to the technological centers and the universities, since they are the ones in charge of the investigation in his first phases “. “Without them – he continues – it is very difficult to have a product.” For this reason, he suggests that it would be interesting to be able to finance somehow the projects that remain at the doorstep, because “all that effort would not be lost and we would generate less frustration within the technological centers and universities,” he points out.

New published on 09/20/2019
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Análisis termográfico de edificios

 

El uso de la termografía infrarroja comMapaEnergeticoo técnica sobradamente provada para la inspección de edificios y localización de patologías como fugas de aire, humedades, etc. Nos permite realizar un examen visual “in-situ” de calidad de los objetos de estudio gracias a la posibilidad de visualizar en tiempo real los resultados pudiendo detectar sin dificultad los desperfectos o elementos característicos de estos. Estas técnicas de medición cualitativa nos proporcionan la posibilidad de realizar inspecciones rápidas y eficaces sin contacto directo con el objeto y de forma no destructiva, lo que disminuye tanto el riesgo de incidentes para los operarios como los daños producidos en los propios objetos de estudio ocasionados por otras técnicas intrusivas. Además, también se ha demostrado la utilidad de la termografía infrarroja como técnica puramente de medida a través de su utilización para el cálculo de propiedades termofísicas de materiales tales como difusividad y transmitancia térmica.

En el caso de termografía cualitativa, las publicaciones existentes tratan de estudios realizados in-situ, principalmente en edificios históricos o elementos del patrimonio cultural, mientras que los estudios cualitativos se realizan, en la mayor parte de los casos, en laboratorios sobre muestras de tamaño limitado. En aquellos casos en los que se han realizado estudios termográficos cuantitativos sobre edificios in-situ, los valores de temperatura son empleados con el objetivo de obtener propiedades termofísicas (conductancia térmica) reales del cerramiento, sin embargo su distribución espacial no es considerada.

Conjugar ambas aplicaciones permitirá la automatización del cálculo de pérdidas de calor a partir de las temperaturas medidas con una cámara termográfica. De este modo, no solo se usa la termografía para representar el estado de la pared, sino que también se usan los valores de temperatura contenidos en la termografía para la extracción de parámetros métricos del edificio en estudio, por lo que la hibridación de la información termográfica con el material cartográfico de precisión permitiría extraer la geometría real del objeto de estudio con textura termográfica, pudiendo así realizar mediciones precisas de los elementos de interés directamente sobre el resultado obtenido.

 

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Estudios como el publicado por EuroACE en 2010 colocan la mejora de la eficiencia energética en edificación en cabeza de las acciones necesarias para la reducción de emisiones de gases del efecto invernadero y gasto energético, así como para servir de empuje a la generación de empleo. Especial es el caso del parque de edificios ya construidos, la mayoría procedente de los años 1940-80, con normativa inexistente y recursos escasos. En ellos las obras de rehabilitación energética pueden suponer un ahorro de hasta el 75% en consumo de energía. En España existen 13 millones de viviendas susceptibles de intervención, cuya rehabilitación energética supondría una reducción de las emisiones del sector del 34% con respecto al año 2001.

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Building thermographic analysis

 

 

The use of infraMapaEnergeticored thermography as a widely tested technique for building inspection and location of pathologies such as air leakage and moisture allows the performance of  quality “in-situ” visual examination of the objects under study due to the possibility of obtaining real-time results, being able to detect without difficulty damages or material characteristics. This qualitative measurement technique provides the capability of doing quick, effective and non-destructive inspection without direct contact with the object under study, decreasing the risk of incidents to operators and the damage of the objects comparing with other intrusive techniques. Furthermore, the utility of infrared thermography as a measurement technique has been proved by its use for the determination of the thermophysical properties of materials such as diffusivity and thermal transmittance.

In the qualitative approach, some authors have performed in-situ studies, mainly in historical buildings or cultural heritage elements, whereas quantitative studies are performed mainly in laboratories with limited size samples. In those cases where quantitative thermography studies were performed in-situ, temperature values were employed in order to obtain the real thermophysical properties (thermal conductance) of the building envelope, but their spatial distribution is not considered.

Combine both applications will enable the automation of the heat loss computation from the measured temperatures with a thermographic camera. Thus, the thermography is not only used to represent the state of the wall, but also temperature values represented on the thermography for extracting the metric parameters of the study object so the hybridization of the thermographic information with precise cartographic material would  allow to extract the actual geometry of the object of study with thermal texture, being able to make accurate measurements of the elements of interest directly on the obtained results.

 

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Studies such as the one published by EuroACE in 2010, places improved energy efficiency in building construction at the top of the list of actions that need to be taken to reduce greenhouse gases and energy costs, in addition to acting as a stimulus to generate employment. In particular is the case of existing buildings stock, most of which dates back to the period 1940-80, constructed using non-existent standards and scarce resources. Here, energy refurbishment works could represent a saving of up to 75% in energy consumption. In Spain there are 13 million homes that could be the subject of intervention, where energy refurbishment could result in a reduction in sector emissions of 34% compared to 2001.

 

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Mobile Laser System (MLS) applied to urban tree inventory

In urbanized Western Europe trees are considered an important component of the built-up environment. This also means that there is an increasing demand for tree inventories. Laser mobile mapping systems provide an efficient and accurate way to sample the 3D road surrounding including notable roadside trees. In this research line, a processing chain aiming at the extraction of tree locations and tree sizes from laser mobile mapping data is reached.

  • Vegetation extraction

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  • Tree parameter extraction

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Such steps, in combination with code optimization are expected to be sufficient to reach the final goal of automatized estimation of features sampled by mobile mapping at a rate that matches the acquisition speed and at a quality that matches the result of a human operator.

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Miembro del grupo TIDOP

Lloyd A. Courtenay

Graduado en arqueología por la Universidad Complutense de Madrid. Actualmente está acabando un Máster en Arqueología del Cuaternario y Evolución Humana por la Universidad Rovira i Virgili, Tarragona, con el objetivo de seguir con su formación investigadora matriculándose en un programa de Doctorado en prehistoria para el próximo año académico. Habiéndose especializado en el campo de la tafonomía, trabaja principalmente en el estudio microscópico de los restos óseos que aparecen en los yacimientos arqueológicos y paleontológicos. Su principal campo de investigación está dirigido hacia la aplicación de nuevas metodologías en yacimientos del Pleistoceno Inferior Africano. En los últimos años ha emprendido su carrera profesional adaptando los nuevos avances estadísticos en otros campos como la Inteligencia Artificial, buscando maneras de aplicarlos al estudio del registro fósil. Siguiendo esta línea de investigación, ha conseguido desarrollar una serie de algoritmos aplicando métodos de Machine y Deep Learning para el procesado de datos derivados de modelos 3D. Con el diseño de algoritmos complejos como las Redes de Neuronas Artificiales y las Máquinas de Vectores de Soporte, ha desarrollado nuevos modelos estadísticos que pueden distinguir entre la actividad de diferentes carnívoros a través de las marcas de dientes que dejan. Estos modelos permiten también la clasificación de las alteraciones microscópicas halladas como producto de agentes naturales o por el contrario, si fueron consecuencia de las actividades de caza de los antiguos homínidos.

Líneas de investigación:

  • Tafonomía y zooarqueología aplicado al estudio del Pleistoceno Inferior
  • Desarrollo de nuevos métodos para el estudio microscópico de los restos fósiles
  • Diseño y aplicación de nuevos métodos estadísticos en la arqueología, incluyendo la aplicación de técnicas 3D para la documentación de restos óseos, y el uso de algoritmos de Inteligencia Artificial para procesar tales datos
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TIDOP Member

Lloyd A. Courtenay

An Archaeology graduate having studied in the Complutense University of Madrid, he is currently finishing his Master’s degree in Quaternary Archaeology and Human Evolution in the University Rovira I Virgili, Tarragona. Starting next academic year, he intends to continue his professional career by enrolling in a Doctoral programme in prehistory. Specialised in the field of taphonomy, he works primarily on the microscopic study of osteological materials found in archaeological and paleontological sites. His main field of research lies in the development of new methods for the study of Lower Pleistocene sites in Africa. Over the last couple of years, he has focused his research on the adaptation of new statistical advances from other fields of research, such as Artificial Intelligence, with the hope of finding new means of applying these techniques to the prehistoric fossil register. Through this line of research, he has achieved the development of Machine and Deep Learning algorithms for the processing of 3D data. His most notable advances have included the development of Artificial Neural Networks and Support Vector Machines for the differentiation of carnivore activity through the tooth marks animals may leave on bone. He has also achieved models that are able to successfully classify microscopic traces, discerning between natural agents and those produced by ancient hominids in prehistoric butchery practices.

Research lines:

  • Taphonomy and zooarchaeology applied to the Lower Pleistocene
  • Development of new methodological approaches for the study of fossil remains
  • Design and application of new statistical models for archaeological studies, including 3D modelling for the documentation of bone, and the use of Artificial Intelligence algorithms for the processing of this data
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Drones terrestres aplicados al modelizado tridimensional e inspección de infraestructuras críticas y de difícil acceso

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Equipar drones con sensores láser, detectores de obstáculos y sistemas de control remoto permite obtener de forma segura y fiable los modelos tridimensionales de escenarios críticos, entendiendo como escenarios críticos todos aquellos escenarios en los que una persona correría peligro realizando los trabajos.

Este tipo de escenarios abarcan desde grutas angostas y estrechas a las que es difícil acceder, hasta escenarios industriales complejos, como subestaciones eléctricas, en las que existen riesgos de descargas eléctricas, salas de calderas, edificios con problemas estructurales etc.

A pesar de ser lugares críticos, su mantenimiento e inspección es un aspecto clave en el campo del control preventivo de averías y deformaciones, por lo que obtener el modelo tridimensional de estos lugares es fundamental. En este sentido, los drones terrestres, cada vez más sofisticados, permiten integrar escáner láser terrestre para capturar el entorno, asi como detectores de obstáculos y diferentes sistemas de comunicación, de modo que pueden moverse de forma autónoma o ser teledirigidos de forma remota.

Hasta el momento se ha investigado la integración de drones terrestres y escáner láser utilizando dos metodologías de trabajo diferentes, según el grado de precisión y detalle que se necesite y dependiendo de las dimensiones del espacio en el que se esté trabajando.

 

Finalmente, se está investigando la manera de combinar los modelos tridimensionales obtenidos por los drones terrestres con datos procedentes de drones aéreos equipados con cámaras fotográficas o cámaras termográficas. Combinar ambos modelos es esencial para obtener una cobertura total de la escena de estudio y poder detectar anomalías en cualquier lugar. Ésta línea de acción se está introduciendo para controlar subestaciones eléctricas y plantas solares fotovoltaicas ya que en ambos casos es posible detectar zonas con un calentamiento anormal que indiquen un funcionamiento que deberá revisarse.

 

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Land drones applied to three-dimensional modeling and control of complex industrial environments

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Land drones can be armed with different devices such as terrestrial laser scanner, obstacle detectors or remote control systems, in order to provide accurate 3D models of unattended or critical environments in a safe way.

Environments like narrow caves that are difficult to access, electrical substations where there are risk of electric shock, boiler rooms or buildings with structural problems are considered critical environments for human operators due to the danger they entail.

Despite being critical spaces, its maintenance, inspection and control are essential to prevent damages and detect breakdowns, so accurate three-dimensional models are indispensable. For this purpose, terrestrial drones allow the integration of terrestrial laser scanners to capture the environment, as well as obstacle detectors and different communication systems, so that they can be autonomous vehicles or remote-controlled vehicles.

Depending on the accuracy needed and the dimensions of the study case, two different  combinations of technologies have been explored, both combining laser scanner with land drones.

To complete this research line, we are working in different methodologies to combine 3D models obtained with land drones and data obtained with aerial drones equipped with conventional cameras or thermo graphic cameras.

Mix both kind of models make the three-dimensional model much more complete and it is possible to detect pathologies in almost everywhere.  Some of this process has been used with success in electrical substations and photovoltaic solar plants, detecting, for example, anomalies in some panels.

 

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Ingeniero del grupo TIDOP

Daniel Barrio Aguilera

Titulado el primero de su promoción como Técnico Superior en Sistemas de Telecomunicaciones e Informáticos en 2018 por el IES Vasco de la Zarza. Consiguió la titulación de Cisco “CCNA Routing and Switching” con carta de recomendación del CEO de Cisco gracias a la demostración de sus habilidades y conocimientos en el campo de las redes informáticas con equipo Cisco. Actualmente estudiando un Ciclo Formativo de Grado Superior en Desarrollo de Aplicaciones Multiplataforma en el IES Alonso de Madrigal, enfocándose en la programación y desarrollo de aplicaciones informáticas.

Líneas de investigación:

  • Desarrollo de apliaciones geotecnológicas
  • Diseño, creación y mantenimiento de portales web interactivos
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TIDOP Engineering

Daniel Barrio Aguilera

Titled the first of his promotion as Senior Technician in Telecommunications and Computer Systems in 2018 by the IES Vasco de la Zarza. He obtained the Cisco degree “CCNA Routing and Switching” with a letter of recommendation from the Cisco CEO thanks to his skills and knowledge shown in the field of computer networks with Cisco equipment. Currently he is studying a Superior Degree Formative Cycle in Multiplatform Applications Development at the IES Alonso de Madrigal, focusing on the programming and development of computer applications.

Research lines:

  • Development of geomatic applications
  • Design, creation and maintenance of interactive web portals
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Miembro del grupo TIDOP

Damián Ortega Terol

PhD en Geotecnologías Aplicadas a la Construcción, Energía e Industria (2018, Universidades de Salamanca y Vigo) con mención “cum laude” tras la finalización de su tesis doctoral titulada: “Innovación en el desarrollo de herramientas basadas en software libre para la explotación de imágenes aéreas y espaciales adquiridas con sensores de última generación”. Completa su formación académica con las titulaciones del graduado en Ingeniería Geomática y Topografía (2013, Universidad de Salamanca), Master Universitario en Geotecnologías Cartográficas en Ingeniería y Arquitectura (2011, Universidades de Salamanca y Valladolid), Ingeniero en Geodesia y Cartografía (2001, Universidad Politécnica de Valencia) e Ingeniero Técnico en Topografía (1998, Universidad Politécnica de Valencia). Posee una amplia experiencia en la programación de herramientas geomáticas basadas en software libre desarrollada en los diferentes puestos que ha ocupado: empresa pública Tragsatec (2001-2008), funcionario grupo A1 de la Escala de Técnicos Facultativos Superiores de los OOAA del Ministerio de Medio Ambiente (2008-2016) y en su reciente incorporación como funcionario de carrera en el Instituto Geográfico Nacional del Ministerio de Fomento (2016-actualidad).

Líneas de investigación:

  • Desarrollo de herramientas geomáticas basadas en software libre relacionadas con Sistemas de Información Geográfica, explotación de datos de Observación de la Tierra y Gestión Integrada de Recursos Hídricos.
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TIDOP Member

Damián Ortega Terol

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