Now showing items 1-20 of 88

    • A prostate MRI segmentation tool based on active contour models using a gradient vector flow 

      Rodríguez, Joaquín; Ochoa Ruíz, Gilberto; Mata Miquel, Cristian (Multidisciplinary Digital Publishing Institute, 2020-09-04)
      Article
      Open Access
      Medical support systems used to assist in the diagnosis of prostate lesions generally related to prostate segmentation is one of the majors focus of interest in recent literature. The main problem encountered in the diagnosis ...
    • A scalable approach to T2-MRI colon segmentation 

      Orellana Bech, Bernat; Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Brunet Crosa, Pere; Bendezú García, Álvaro; Azpiroz Vidaur, Fernando (2020-07-01)
      Article
      Restricted access - publisher's policy
      The study of the colonic volume is a procedure with strong relevance to gastroenterologists. Depending on the clinical protocols, the volume analysis has to be performed on MRI of the unprepared colon without contrast ...
    • Active deep learning for medical imaging segmentation 

      Górriz Blanch, Marc (Universitat Politècnica de Catalunya, 2017)
      Bachelor thesis
      Open Access
      Covenantee:   Institut national polytechnique de Toulouse
      This thesis proposes a novel active learning framework capable to train effectively a convolutional neural network for semantic segmentation of medical imaging, with a limited amount of training labeled data. Our approach ...
    • Adaptive segmentation and mask-specific Sobolev inpainting of specular highlights for endoscopic images 

      Alsaleh, Samar M.; Avilés Rivero, Angélica; Sobrevilla Frisón, Pilar; Casals Gelpi, Alicia; Hahn, James K. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference lecture
      Restricted access - publisher's policy
      Minimally invasive surgical and diagnostic systems rely on endoscopic images of internal organs to assist medical tasks. Specular highlights are common on those images due to the strong reflectivity of the mucus layer on ...
    • An UWB Tapered Slot Vivaldi Antenna (TSA) with improved characterestics 

      Akazzim, Youness; Kanjaa, Mohammed; El Mrabet, Otman; Jofre Roca, Lluís; Essaaidi, Mohamed (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      In this paper, an UWB Tapered Slot Vivaldi Antenna (TSA) is presented. The proposed TSA is optimized in order to increase the bandwidth and ensure a good impedance matching at low and bandwidth frequencies while respecting ...
    • Analysis of the dynamics of gray matter reduction in Alzheimers disease 

      Aduriz Berasategi, Asier (Universitat Politècnica de Catalunya, 2016-05-13)
      Bachelor thesis
      Open Access
      This project attempts to study the cerebral atrophy patterns in gray matter across the different stages of the Alzheimer’s Disease (AD), or more specifically, along the entire AD continuum, in a voxelwise approach. To this ...
    • Anàlisi dels resultats de l’aplicació de la planificació 3D de cirurgies de distracció del maxil·lar superior. 

      Ayats Soler, Marta (Universitat Politècnica de Catalunya, 2020-02-03)
      Master thesis
      Restricted access - author's decision
      La cirurgia de distracció del maxil·lar superior s’ha descrit per diversos autors com el procediment estàndard per el tractament de la hipoplàsia maxil·lar servera en pacients amb fissura llabipalatina. Altres autors han ...
    • Anàlisi exploratòria de dades mèdiques 

      Bosch Llufriu, Júlia (Universitat Politècnica de Catalunya, 2021-01-25)
      Bachelor thesis
      Open Access
      La motilitat del còlon és un factor que complica l'anàlisi d'aquest òrgan. Degut a les dificultats derivades dels sistemes d'extracció de dades, fins ara s'ha conegut poc sobre les relacions entre les dietes i el comportament ...
    • Análisis de textura de imágenes mamográficas con aplicación a diagnostico asistido 

      Villaplana Gómez, Daniel (Universitat Politècnica de Catalunya, 2016-05)
      Bachelor thesis
      Open Access
      Covenantee:   Instituto Tecnológico y de Estudios Superiores de Monterrey
      In this project a first prototype have been created for noticing the differences between the textures in a mammography image so we can detect breast cancer. The image is divided in blocks, those will be filtered by ...
    • Application of fuzzy techniques to biomedical images 

      Mattioli Aramburu, Gabriel (Universitat Politècnica de Catalunya, 2012-06-21)
      Master thesis
      Open Access
    • Automated analysis of image sequences in relation to malaria 

      Gil Aragones, María (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      Covenantee:   Danmarks tekniske universitet
      Malaria is a well known disease that affects nearly half of the population of the world. Besides, it has been widely accepted that microcirculation plays an important role in malaria pathogenesis. The use of Cytocam-IDF ...
    • Automatic and robust single-camera specular highlight removal in cardiac images 

      Alsaleh, Samar M.; Avilés Rivero, Angélica; Sobrevilla Frisón, Pilar; Casals Gelpi, Alicia; Hahn, James K. (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference lecture
      Restricted access - publisher's policy
      In computer-assisted beating heart surgeries, accurate tracking of the heart’s motion is of huge importance and there is a continuous need to eliminate any source of error that might disturb the tracking process. One source ...
    • Automatic demarcation for videofluoroscopy swallowing study 

      Lizana García, Matias (Universitat Politècnica de Catalunya, 2012-09-05)
      Master thesis
      Open Access
      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)
      Bachelor thesis
      12 months embargo
      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)
      Master thesis
      Open Access
      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)
      Master thesis
      Open Access
      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)
      External research report
      Open Access
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
    • Brain MRI super-resolution using generative adversarial networks 

      Sánchez, Irina; Vilaplana Besler, Verónica (2018)
      Conference lecture
      Open Access
      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 Rodriguez, Sonia (Universitat Politècnica de Catalunya, 2021-06-28)
      Bachelor thesis
      Open Access
      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. ...