Exploració per tema "Imaging systems in medicine"

Ara es mostren els items 21-40 de 126

    • Automatic demarcation for videofluoroscopy swallowing study 

      Lizana García, Matias (Universitat Politècnica de Catalunya, 2012-09-05)
      Projecte Final de Màster Oficial
      Accés obert
      Videofluoroscopy tests are designed to analyze the swallowing response of the patient. Lot of patients die due to swallowing disorders, and physicians want to analyze this procedure to detect this swallowing problems. ...

    • Automatic extraction of biomarkers from biopsy images Annotation tool EllipseLabelimg 

      Tena Martínez, Josemaría (Universitat Politècnica de Catalunya, 2020-08)
      Treball Final de Grau
      Accés obert
      This End-of-Grade Project aims to make a system that allows to help in the annotation of tissue biopsy images. Firstly, a program detects the cells in the picture. This annotation must be corrected by a doctor in order to ...

    • Automatic segmentation of Nucleus Accumbens 

      Sem, Federico (Universitat Politècnica de Catalunya, 2012-09-05)
      Projecte Final de Màster Oficial
      Accés obert
      Segmentation of subcortical structures in the brain has become an increasingly important topic in contemporary medicine. The ability to effi ciently isolate different regions of the human brain has allowed doctors and ...

    • Basis Decomposition Discriminant ICA 

      Tabas Díaz, Alejandro (Universitat Politècnica de Catalunya, 2013-09-09)
      Projecte Final de Màster Oficial
      Accés obert
      In this Master's Thesis, we introduce the methodology Basis-Decomposition Discriminant ICA (BD-DICA), capable of finding the most discriminant Independent Components to characterise a high-dimensional dataset. The ...

    • BCN20000: dermoscopic lesions in the wild 

      Combalia, Marc; Codella, Noel C. F.; Rotemberg, Veronica; Vilaplana Besler, Verónica (2019)
      Report de recerca
      Accés obert
      This article summarizes the BCN20000 dataset, composed of 19424 dermoscopic images of skin lesions captured from 2010 to 2016 in the facilities of the Hospital Clínic in Barcelona. With this dataset, we aim to study the ...

    • Biological brain age prediction using machine learning on structural neuroimaging data: Multi-cohort validation against biomarkers of Alzheimer’s disease and neurodegeneration stratified by sex 

      Cumplido Mayoral, Irene; García Prat, Marina; Operto, Grégory; Falcón, Carles; Shekari, Mahnaz; Cacciaglia, Raffaele; Milà Alomà, Marta; Lorenzini, Luigi; Ingala, Silvia; Vilaplana Besler, Verónica (2022-06-28)
      Report de recerca
      Accés obert
      Brain-age can be inferred from structural neuroimaging and compared to chronological age (brain-age delta) as a marker of biological brain aging. Accelerated aging has been found in neurodegenerative disorders like Alzheimer’s ...

    • Biological brain age prediction using machine learning on structural neuroimaging data: multi-cohort validation against biomarkers of Alzheimer's disease and neurodegeneration stratified by sex 

      Cumplido Mayoral, Irene; García Prat, Marina; Operto, Grégory; Falcón Falcón, Carles; Shekari, Mahnaz; Cacciaglia, Raffaele; Milà Alomà, Marta; Lorenzini, Luigi; Ingala, Silvia; Vilaplana Besler, Verónica (2023-05-12)
      Article
      Accés obert
      Brain-age can be inferred from structural neuroimaging and compared to chronological age (brain-age delta) as a marker of biological brain aging. Accelerated aging has been found in neurodegenerative disorders like Alzheimer's ...

    • Biological brain age prediction using machine learning on structural neuroimaging data: Multi-cohort validation against biomarkers of Alzheimer’s disease and neurodegeneration 

      Cumplido Mayoral, Irene; García Prat, Marina; Operto, Grégory; Falcón Falcón, Carles; Shekari, Mahnaz; Cacciaglia, Raffaele; Milà Alomà, Marta; Lorenzini, Luigi; Ingala, Silvia; Vilaplana Besler, Verónica (Elsevier, 2022-12-20)
      Article
      Accés obert
      Background: Brain-age can be inferred from structural neuroimaging and compared to chronological age (brain-age delta), as a marker of accelerated/decelerated biological brain aging. Accelerated biological aging has ...

    • Blind restoration of retinal images degraded by space-variant blur with adaptive blur estimation 

      Marrugo Hernández, Andrés Guillermo; Millán Garcia-Varela, M. Sagrario; Šorel, M.; Šroubek, F. (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Brain MRI super-resolution using generative adversarial networks 

      Sánchez, Irina; Vilaplana Besler, Verónica (2018)
      Comunicació de congrés
      Accés obert
      In this work we propose an adversarial learning approach to generate high resolution MRI scans from low resolution images. The architecture, based on the SRGAN model, adopts 3D convolutions to exploit volumetric information. ...

    • Breast tumor detection in Hematoxylin & Eosin stained biopsy images 

      Rabanaque Rodríguez, Sonia (Universitat Politècnica de Catalunya, 2021-06-28)
      Treball Final de Grau
      Accés obert
      El càncer fa referència a un conjunt de malalties molt presents en la nostra societat. Gràcies als nous avenços en el camp de la medicina, la taxa de supervivència en els diferents tipus de càncer augmenta contínuament. ...

    • CBIR - Content based information retrieval in Optical Biopsies 

      Tous Liesa, Rubén; Ferrer-Roca, Olga; Delgado Mercè, Jaime (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The present paper describes the design and usage of an Internet medical image search engine based on the queryby-example paradigm and the multimedia standard ISO-15938-12:2008. The system, which allows combining Content ...

    • Channelized hotelling observer optimization for medical image quality assessment in lesion detection tasks 

      Calvo Gonzalez, Mireia (Universitat Politècnica de Catalunya, 2011-09-28)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Illinois Institute of Technology
      English: Since the image quality assessments made by human observers can be too much costly and time-consuming, despite they are the most accurate because humans will be the final users of the images, a widely used alternative ...

    • Characterization of pharmaceuticals using Terahertz Time Domain spectral-tomography 

      Nova Lavado, Enrique; Roqueta Crusats, Gemma; Romeu Robert, Jordi; Jofre Roca, Lluís (IEEE, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper a Terahertz T ime-Domain measurement system has been used to perform Tomographic imaging of pharmaceutical compounds with coating. Measurements on paracetamol and ibuprofene samples are done both in ...

    • Classification of mild cognitive impairment and alzheimer's disease patients: a multiscale and multivariate approach 

      Vilaplana Martínez, Eduard (Universitat Politècnica de Catalunya, 2012-07-11)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      [ANGLÈS] Alzheimer's Disease (AD) is the most common form of dementia and a growing health and socioeconomic problem. Moreover, the impact of the disease is expected to increase even more as the life expectancy is going ...

    • Compressed sensing for electron microscope data 

      Vila Oliva, Marc Manel (Universitat Politècnica de Catalunya, 2011-06-28)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Kungliga Tekniska högskolan
      English: Recent work in the field of Compressed Sensing has suggested a great variety of new possibilities in the world of image reconstruction. We have been focused on a novel approach using this kind of algorithms based ...

    • Content Adaptive Mesh Modeling 

      Lain Condom, Marc (Universitat Politècnica de Catalunya, 2011-02-21)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Illinois Institute of Technology
      English: Digital image restoration plays a very important role in many fields such as surveillance or medical imaging, where it can be used to obtain high-resolution images so that a more accurate analysis can be performed. ...

    • Control and monitoring of a patient in a proton therapy session 

      Vallejo Miracle, Alex (Universitat Politècnica de Catalunya, 2014-02)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Université Catholique de Louvain
      [ANGLÈS] The main objective of that thesis is the implementation of a motion detection system within software Medusa, from the Centre de Protonthérapie d’Orsay (CPO, Paris), used for controlling a proton therapy session. ...

    • Creating an interface for automatic and semi-automatic segmentation of brain structures in newborns 

      Luzárraga Aznar, Eduardo; Pacheco, Manuela (Universitat Politècnica de Catalunya / Ecole nationale supérieure des télécommunications (France), 2013-09-10)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   École nationale supérieure des télécommunications
      [ANGLÈS] At the request of Kremlin Bicetre hospital radiologists in Paris, the work done at Télécom ParisTech is to create an interface capable of semi-automatically and automatically segment MRI brain regions's of children ...

    • Deep learning approaches for detecting and explaining hepatic disorders from CT scans 

      Cuervo Noguera, Ruben (Universitat Politècnica de Catalunya, 2024-01-23)
      Projecte Final de Màster Oficial
      Accés obert
      Porto-Sinusoidal Vascular Disorder (PSVD) is a term that encapsulates a series of rare liver disorders characterized by specific alterations in portal vein branches which currently can only be diagnosed by performing a ...