Browsing by Subject "Imatgeria mèdica"
Now showing items 1-20 of 65
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A comparison study of U-Net based methods for brain tumor segmentation
(Universitat Politècnica de Catalunya, 2023-10-19)
Master thesis
Open Access
Covenantee: Universitat de BarcelonaThe brain tumor segmentation (BraTS) Challenge is an international competition that focuses on the task of automated segmentation of the different parts of brain tumors in magnetic resonance imaging (MRI) scans. U-Net ... -
A prostate MRI segmentation tool based on active contour models using a gradient vector flow
(Multidisciplinary Digital Publishing Institute, 2020-09-04)
Article
Open AccessMedical 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 simulation platform for magnetic resonance imaging of the developing fetal brain (FaBiAN v2.0)
(Universitat Politècnica de Catalunya, 2022-07-05)
Bachelor thesis
Open Access
Covenantee: Fondation ProTechno / Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen ForschungMagnetic resonance imaging is commonly used as a complement to the ultrasound gold-standard to investigate equivocal patterns in the developing fetal brain. However, stochastic motion of the fetus may alter the image quality ... -
Active deep learning for medical imaging segmentation
(Universitat Politècnica de Catalunya, 2017)
Bachelor thesis
Open Access
Covenantee: Institut national polytechnique de ToulouseThis 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 ... -
Advanced interaction techniques for medical models
(Universitat Politècnica de Catalunya, 2014-07-15)
Doctoral thesis
Open AccessAdvances in Medical Visualization allows the analysis of anatomical structures with the use of 3D models reconstructed from a stack of intensity-based images acquired through different techniques, being Computerized ... -
An UWB Tapered Slot Vivaldi Antenna (TSA) with improved characterestics
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Restricted access - publisher's policyIn 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 and segmentation of KI-67 immunohistochemistry images for breast cancer diagnosis
(Universitat Politècnica de Catalunya, 2022-07-05)
Master thesis
Open AccessFor breast cancer diagnosis, the computation of the KI-67 score is a useful metric to define patient?s treatment. For a proper computation of this score, tumour and stroma areas have to be distinguished in KI-67 images. ... -
Analysis of radiation dose using DICOM metadata
(Universitat Politècnica de Catalunya, 2022-06-28)
Bachelor thesis
Open Access
Covenantee: Universal Projects and ToolsLa informació és el recurs més valuós mundialment [1], i és possible trobar-la a tot arreu. En el cas de les imatges mèdiques, la informació significa no només imatges de giga píxels, sinó que també inclou metadades i ... -
Analysis of the respiratory movement and its effects on the vertebrae using depth camera technology
(Universitat Politècnica de Catalunya, 2022-07-04)
Bachelor thesis
Open Access
Covenantee: IMT AtlantiqueNowadays, computer-assisted surgery is becoming more and more common. In the case of spinal surgery, there are techniques to facilitate navigation in operations such as inserting markers in the vertebrae, which adds a ... -
Anàlisi exploratòria de dades mèdiques
(Universitat Politècnica de Catalunya, 2021-01-25)
Bachelor thesis
Open AccessLa 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 ... -
Aplicació de tècniques de generació de dades sintètiques en el camp de la imatge mèdica per l’entrenament d’algorismes d’Intel·ligència artificial
(Universitat Politècnica de Catalunya, 2023-07-04)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Fundació TIC Salut Social / Politecnico di MilanoEl següent projecte de recerca té com a objectiu facilitar l’accés i l’ús d’imatges mèdiques, en específic imatges histopatològiques, als científics, enginyers i professionals de la salut mitjançant la generació d’imatges ... -
Artificial intelligence approaches for image segmentation and classification in medical imaging analysis
(Universitat Politècnica de Catalunya, 2024-01-29)
Bachelor thesis
Open AccessTot i que el càncer ossi pediàtric és relativament poc freqüent, va ser la tercera causa de mort infantil el 2020. En aquest context, destaquen dues formes prevalents: l'osteosarcoma i el sarcoma d'Ewing, afectant els ... -
Automated analysis of image sequences in relation to malaria
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open Access
Covenantee: Danmarks tekniske universitetMalaria 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 ... -
Automated corneal endothelium image segmentation in the presence of cornea guttata via convolutional neural networks - 115110H
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2020)
Conference report
Restricted access - publisher's policyAutomated cell counting in in-vivo specular microscopy images is challenging, especially in situations where single-cell segmentation methods fail due to pathological conditions. This work aims to obtain reliable cell ... -
Automated Diagn of Symptomatic and Asymptomatic Achilles Tendon Ruptures using CT Images and AI
(Universitat Politècnica de Catalunya, 2023-06-27)
Master thesis
Open Access -
Automatic extraction of biomarkers from biopsy images Annotation tool EllipseLabelimg
(Universitat Politècnica de Catalunya, 2020-08)
Bachelor thesis
Open AccessThis 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 ... -
BCN20000: dermoscopic lesions in the wild
(Nature, 2024-06-17)
Article
Open AccessAdvancements in dermatological artificial intelligence research require high-quality and comprehensive datasets that mirror real-world clinical scenarios. We introduce a collection of 18,946 dermoscopic images spanning ... -
Breast tumor detection in Hematoxylin & Eosin stained biopsy images
(Universitat Politècnica de Catalunya, 2021-06-28)
Bachelor thesis
Open AccessEl 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. ... -
Comprehensive retinal image analysis: image processing and feature extraction techniques oriented to the clinical task
(Universitat Politècnica de Catalunya, 2013-11-29)
Doctoral thesis
Open AccessMedical digital imaging has become a key element of modern health care procedures. It provides a visual documentation, a permanent record for the patients, and most importantly the ability to extract information about many ... -
Contribution to structural parameters computation: volume models and methods
(Universitat Politècnica de Catalunya, 2014-01-13)
Doctoral thesis
Open AccessBio-CAD and in-silico experimentation are getting a growing interest in biomedical applications where scientific data coming from real samples are used to compute structural parameters that allow to evaluate physical ...
