Search results for " Digital"
showing 10 items of 1026 documents
Educación para la ciudadanía democrática en la cultura digital
2011
Asumiendo la importancia de las nuevas tecnologías en las aulas, especialmente en las actuales sociedades de la información y la comunicación, y siguiendo las recomendaciones de la Unión Europea a favor de la alfabetización mediática, el presente trabajo reflexiona acerca de la necesidad de educar no solo en los usos técnicos y eficientes de las tecnologías comunicativas, sino también en el uso responsable y cívico de las mismas, favoreciendo así los procesos participativos y deliberativos que son el sustento de una democracia viva. El sueño griego de la «isegoría», del igual derecho de todos al uso de la palabra, puede hacerse realidad en la cultura digital, si bien es cierto que un uso hi…
Using dense stereo matching techniques in survey
2013
In recent years there has been an enormous increase in the dissemination of modelling techniques known as dense stereo matching (DSM) or image-based modelling (IBM) using free, low cost, open source software, especially applications involving the survey of cultural heritage (architecture, archaeology, and town planning). The algorithms used by these software programmes process photographic datasets and provide a 3D model of the scene in question. During complex survey and 3D restitution procedures, these techniques save time (processing) and money: these advantages Can he useful to any professional. This is why it is important to identify the real potential and limits of these software prog…
Length of endodontic files measured in digital radiographs with and without noise-suppression filters: an ex-vivo study
2011
The aim of this study is to evaluate if theoretically possible edge shifts induced by noise-suppression filters potentially occur on objects found in digital radiographs. Most manufacturers carry out noise-suppression filtering of their images before they are displayed to the user. It is not usually possible for the user to disrupt the function of the filters. The use of these filters can lead to deletion of small image structures.K-files (ISO size 06, 08, 10 and 15) were placed in the root canals of 6 human teeth located in cadaver jaw segments. File tip positions were measured on original and filtered digital images by three observers. The file position was marked on each filtered image a…
Role of ambient light in the detection of contrast elements in digital dental radiography.
2018
Objective This study aimed to evaluate the effect of different ambient light levels on observer detection of small contrast differences in a contrast phantom by using a high-end liquid crystal display (LCD) monitor. Study Design An aluminum step wedge was converted into a contrast phantom by the addition of bore holes. Radiographic images of the contrast elements were presented to 20 observers. Images were displayed in random order under different ambient light levels (0, 50, 200, and 500 lux) twice, and the observers had to determine if contrast elements were visible. Sensitivity and specificity were determined to calculate areas under receiver operating characteristic curves and Friedmann…
Visiones del Profesorado de Primaria sobre Materiales Didácticos Digitales
2019
En este artículo se analizan las percepciones del profesorado de quinto y sexto de educación Primaria en torno a la valoración, uso y formación del profesorado sobre Materiales Didácticos Digitales (en adelante MDD). Para ello se han realizado entrevistas semiestructuradas a docentes de tres Comunidades Autónomas (Galicia, Canarias y Valencia). En este trabajo de corte cualitativo los resultados manifiestan que el profesorado considera necesario utilizar en las aulas este tipo de recursos ya que están muy presentes en la vida cotidiana del alumnado. Asimismo, abogan por la creación de sus propios materiales con el fin de adaptarlos a las características particulares del grupo-clase, proporc…
Architecture in the digital age. Evolution of language and contemporary design.
2012
The ‘computer revolution’ is the most obvious phenomenon of our time. The new capabilities introduced by the digital drafting have triggered a substantial evolution of the relationship between representation and design. The diffusion of digital technologies in Architecture has opened new frontiers in the design field, stimulating the development of a new expressive language that promotes generating complex shapes. On the other hand, the shape often becomes the main interest of the designers. Then, is the project only a formal question? Are the glamour images become the main target to which the ‘New Architecture’ aims?
Behind the Digital
2019
Fraschini gives a critical and interrogative view to digital design. He righly dwells much upon the tactile aspect of architecture. His reflections are grounded on Mario Carpo studies and very importantly he traces the idea of footprint as ground stone for architectural design.
John Smith. Personalized and posture care chair, on demand
2019
Today the technological development or the continuous acceleration of inventions and innovations has established the Fourth Industrial Revolution. This has given rise to an “in- telligent” factory, which produces objects that are not necessarily serialized but personalized to satisfy individual needs at low costs. From here arises the idea of configuring a customized chair, printed in 3D, medical (postural) and truly within the reach of all. The achievement of this objective involves the orchestration of a series of activities: a product configurator, a sof- tware for the management of physical parameters, thanks to the collaboration of osteopathics physiotherapists; an e-commerce site, for…
El relato digital como herramiento pedagógica en la enseñanza de lenguas extranjeras a través del uso de la secuencia didáctica
2012
Digital storytelling constitutes a pedagogical tool for teachers to work on different linguistic skills while generating students’ interest and attention. This study analyses the usefulness of including digital storytelling within a didactic sequence in order to work on linguistic routines such as greetings and leave-takings in English as a foreign language. To this aim, we have worked with first year students in the Faculty of Education at the Universitat de València to improve their ability to adapt their language skills to specific situations within common daily interaction. We have designed a didactic sequence consisting of different workshops that have been put into practice in class. …
Fast and robust phase-shift estimation in two-dimensional structured illumination microscopy.
2019
A method of determining unknown phase-shifts between elementary images in two-dimensional Structured Illumination Microscopy (2D-SIM) is presented. The proposed method is based on the comparison of the peak intensity of spectral components. These components correspond to the inherent structured illumination spectral content and the residual compo- nent that appears from wrongly estimated phase-shifts. The estimation of the phase-shifts is carried out by finding the absolute maximum of a function defined as the normalized peak intensity difference in the Fourier domain. This task is performed by an optimization method providing a fast estimation of the phase-shift. The algorithm stability an…