Search results for "IMAGES"
showing 10 items of 460 documents
Impact of Wavelet Kernels on Predictive Capability of Radiomic Features: A Case Study on COVID-19 Chest X-ray Images
2023
Radiomic analysis allows for the detection of imaging biomarkers supporting decision-making processes in clinical environments, from diagnosis to prognosis. Frequently, the original set of radiomic features is augmented by considering high-level features, such as wavelet transforms. However, several wavelets families (so called kernels) are able to generate different multi-resolution representations of the original image, and which of them produces more salient images is not yet clear. In this study, an in-depth analysis is performed by comparing different wavelet kernels and by evaluating their impact on predictive capabilities of radiomic models. A dataset composed of 1589 chest X-ray ima…
Childhood reproduced: images of childhood represented in children's daily lives in home and day-care settings
2016
ABSTRACTThis study explores images of childhood by analysing children's pictorial representations and accompanying captions. The focus is on how children together with adults represent childhood in the home and daycare settings in a oneweek diary study. The key analytical tool was framing, which is used to highlight what kinds of images are (re)produced and narrated. The frames that emerged were (1) portrayal of the child via cultural products and societal relations, (2) portrayal of the child via individuality, relationships and attachment, (3) the child as a symbol of capabilities, and (4) the child as a learner. While illustrating how childhood was intertwined with consumption, cultural …
Riannodare passato e presente con le foto d’archivio. Ricostruzione della chiesa delle Stimmate di Palermo
2021
La restituzione prospettica è stata pressoché ignorata nelle ricerche incentrate sulla ricostruzione di architetture e contesti urbani da foto d’archivio, a causa dell’ampio margine di approssimazione che caratterizzava il processo di restituzione condotto con gli strumenti tradizionali del disegno. Gli strumenti digitali per la rappresentazione riducono sensibilmente il margine di approssimazione e permettono di ricostruire direttamente nello spazio tridimensionale le opere che compaiono in una singola immagine fotografica. Il caso studio prescelto è la chiesa delle Stimmate di Palermo, demolita alla fine del XIX secolo per la costruzione del teatro Massimo, principale teatro lirico della …
Electrophysiological evidence for the effectiveness of images versus text in warnings
2023
AbstractWarning sign plays an important role in risk avoidance. Many studies have found that images are better warnings than text, while others have revealed flaws of image-only warning signs. To better understand the factors underlying the effectiveness of different types of warning signs (image only, text only, or image and text), this study adopted event-related potential technology to explore the differences at the neurocognitive level using the oddball paradigm and the Go/No-go paradigm. Together, the behavioral and electroencephalogram results showed that text-only warnings had the lowest effectiveness, but there was little difference between the image-only and image-and-text warnings…
Gestalt Theory, Data Decomposition and Functional Architecture in Visual Neuroscience
2013
Classical and recent result about neuronal properties, and their functions and architectural design prompted claims to bring gestalt theory to bear on neurosciences reserach. It is deemed to contribute to understand brain mechanism through descriptions of visual functions expected to be wired in the brain. The standard models of data decomposition and functional architecture in visual neuroscience are discussed. Such issues as visual primitives identification and neuronal activity integration in gestaltist terms are introduced.
Analysis of the covers of textbooks of Primary Physical Education
2017
Esta investigación analiza las imágenes del cuerpo humano y el tipo de actividad física que practica en las portadas de los libros de texto del área de Educación Física (EF) en Educación Primaria (EP), para determinar si reproducen y transmiten estereotipos en relación al sexo, raza, cuerpo, discapacidad y actividad física en función del currículum. La muestra universo consta de 30 portadas, publicadas bajo la Ley Orgánica de Educación (LOE). Los resultados muestran portadas preferentemente dibujadas y en color, los protagonistas de la actividad física son niños y niñas conjuntamente (agrupación mixta), pero a la vez permanecen estereotipos de raza (blanca) y somatotipo (ectomorfo) realizan…
A Dataset of Annotated Omnidirectional Videos for Distancing Applications
2021
Omnidirectional (or 360°) cameras are acquisition devices that, in the next few years, could have a big impact on video surveillance applications, research, and industry, as they can record a spherical view of a whole environment from every perspective. This paper presents two new contributions to the research community: the CVIP360 dataset, an annotated dataset of 360° videos for distancing applications, and a new method to estimate the distances of objects in a scene from a single 360° image. The CVIP360 dataset includes 16 videos acquired outdoors and indoors, annotated by adding information about the pedestrians in the scene (bounding boxes) and the distances to the camera of some point…
Revista electrónica interuniversitaria de formación del profesorado
2015
El objetivo de esta investigación es analizar las características técnicas y formales de las imágenes que aparecen en los libros de texto de Educación Física del tercer ciclo de Educación Primaria publicados a partir de 2007. La muestra está constituida por 1.455 imágenes de 5 editoriales. El estudio es de tipo descriptivo y empírico; utiliza el análisis de contenido, mediante un sistema de categorías elaborado ad hoc. Los resultados muestran características comunes en las imágenes, otorgando realidad a las características técnicas de las imágenes, mientras que las características formales permiten una mayor fijación y facilitan el aprendizaje del alumno. The aim of this research is to anal…
A distributed visualization system for crowd simulations1
2011
The visualization system of large-scale crowd simulations should scale up with both the number of visuals views of the virtual world and the number of agents displayed in each visual. Otherwise, we could have large scale crowd simulations where only a small percentage of the population is displayed. Several approaches have been proposed in order to efficiently render crowds of animated characters. However, these approaches either render crowds animated with simple behaviors or they can only support a few hundreds of user-driven entities. In this paper, we propose a distributed visualization system for large crowds of autonomous agents that allows the visualization of crowds animated with co…
Wybrane fenomeny mistyczne w doświadczeniu religijnym Alicji Lenczewskiej w świetle jej pism
2019
Artykuł traktuje o polskiej nauczycielce, katoliczce, Alicji Lenczewskiej (1934-2012), poślubionej mistycznie Bogu, autorce dwutomowego dzieła, w którym utrwaliła pouczenia Zbawiciela, przedstawiła dzieje swojej duszy i opisała otrzymane od Stwórcy nadzwyczajne charyzmaty, do których należy zaliczyć: mistyczne zaślubiny, ekstazy, stygmaty niewidzialne i obrazy duchowe.