Listar por autor "Penedo, Manuel"
Mostrando ítems 21-40 de 41
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Detection of reactions to sound via gaze and global eye motion analysis using camera streaming
Fernández Arias, Alba; Ortega Hortas, Marcos; Moura, Joaquim de; Novo Buján, Jorge; Penedo, Manuel (Springer, 2018-06)[Abstract]: This work is focused on the field of automatic hearing assessment for patients presenting cognitive decline or severe communication difficulties. Audiometry is a test of behavior requiring intense interaction ... -
Enhancing Pathological Detection and Monitoring in OCT Volumes with Limited Slices using Convolutional Neural Networks and 3D Visualization Techniques
López-Varela, Emilio; Barreira, Noelia; Olivier Pascual, Nuria; Penedo, Manuel (Universidade da Coruña, Servizo de Publicacións, 2023)[Abstract] Optical Coherence Tomography (OCT) is a non-invasive imaging technique with a crucial role in the monitoring of a wide range of diseases. In order to make a good diagnosis it is essential that clinicians can ... -
Feature Definition and Comprehensive Analysis on the Robust Identification of Intraretinal Cystoid Regions Using Optical Coherence Tomography Images
Moura, Joaquim de; Vidal, Plácido; Novo Buján, Jorge; Rouco, J.; Penedo, Manuel; Ortega Hortas, Marcos (Springer, 2022)[Abstract] Currently, optical coherence tomography is one of the most used medical imaging modalities, offering cross-sectional representations of the studied tissues. This image modality is specially relevant for the ... -
Fully automatic detection and classification of phytoplankton specimens in digital microscopy images
Rivas-Villar, David; Rouco, J.; Carballeira, Rafael; Penedo, Manuel; Novo Buján, Jorge (Elsevier, 2021-03)[Abstract]: Background and objective: The proliferation of toxin-producing phytoplankton species can compromise the quality of the water sources. This contamination is difficult to detect, and consequently to be ... -
Fully Automatic Method for the Visual Acuity Estimation Using OCT Angiographies
Díaz González, Macarena; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (MDPI AG, 2020-09-04)[Abstract] In this work we propose the automatic estimation of the visual acuity of patients with retinal vein occlusion using Optical Coherence Tomography by Angiography (OCTA) images. To do this, we first extract the ... -
Fully automatic multi-temporal land cover classification using Sentinel-2 image data
Baamonde, Sergio; Cabana, Martiño; Sillero, Neftalí; Penedo, Manuel; Naveira, Horacio; Novo Buján, Jorge (Elsevier BV, 2019)[Abstract] The analysis of remote sensing images represents a highly important issue to be performed in many relevant fields such as climate change studies or land cover mapping. Traditional proposals usually identify the ... -
Generation of synthetic intermediate slices in 3D OCT cubes for improving pathology detection and monitoring
López-Varela, Emilio; Barreira, Noelia; Olivier Pascual, Nuria; Arroyo Castillo, Maria Rosa; Penedo, Manuel (Elsevier B.V., 2023-09)[Absctract]: OCT is a non-invasive imaging technique commonly used to obtain 3D volumes of the ocular structure. These volumes allow the monitoring of ocular and systemic diseases through the observation of subtle changes ... -
Heartbeat classification fusing temporal and morphological information of ECGs via ensemble of classifiers
Mondéjar-Guerra, Víctor; Novo Buján, Jorge; Rouco, J.; Penedo, Manuel; Ortega Hortas, Marcos (Elsevier, 2019-01)[Abstract]: A method for the automatic classification of electrocardiograms (ECG) based on the combination of multiple Support Vector Machines (SVMs) is presented in this work. The method relies on the time intervals between ... -
Herramienta informática para la visualización 3D interactiva de la estructura vascular de la retina
Moura, Joaquim de; Ortega Hortas, Marcos; Barreira, Noelia; Penedo, Manuel (2016-09)[Resumen]: Introducción: Tomografía de Coherencia Óptica (OCT) (método de diagnóstico e imágenes tomográficas de la retina). Análisis de la estructura vascular de la retina (diagnóstico de diferentes enfermedades). Estado ... -
Image-to-image translation with Generative Adversarial Networks via retinal masks for realistic Optical Coherence Tomography imaging of Diabetic Macular Edema disorders
Vidal, Plácido; Moura, Joaquim de; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (Elsevier, 2023)[Abstract]: One of the main issues with deep learning is the need of a significant number of samples. We intend to address this problem in the field of Optical Coherence Tomography (OCT), specifically in the context of ... -
Interactive Three-Dimensional Visualization System of the Vascular Structure in OCT Retinal Images
Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Barreira, Noelia; Penedo, Manuel (Springer, 2018-01)[Absctract]: This paper proposes an automated tool for the 3D visualization of the retinal arterio-venular tree using Optical Coherence Tomography (OCT) images. The methodology takes advantage of different image processing ... -
Intraretinal fluid identification via enhanced maps using optical coherence tomography images
Vidal, Plácido; Moura, Joaquim de; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (Optica Publishing Group, 2018)[Abstract]: Nowadays, among the main causes of blindness in developed countries are age-related macular degeneration (AMD) and the diabetic macular edema (DME). Both diseases present, as a common symptom, the appearance ... -
Intraretinal fluid map generation in optical coherence tomography images
Vidal, Plácido; Moura, Joaquim de; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (Elsevier, 2020)[Abstract]: The retina represents one of the most studied parts of the human body, thanks to its easy access for any ophthalmological study. It represents the main neurosensory part of the eye and, by its study, pathologies ... -
Intraretinal Fluid Pattern Characterization in Optical Coherence Tomography Images
Moura, Joaquim de; Vidal, Plácido; Novo Buján, Jorge; Rouco, J.; Penedo, Manuel; Ortega Hortas, Marcos (MDPI AG, 2020-04-03)[Abstract] Optical Coherence Tomography (OCT) has become a relevant image modality in the ophthalmological clinical practice, as it offers a detailed representation of the eye fundus. This medical imaging modality is ... -
Intuitive and Coherent Intraretinal Cystoid Map Representation in Optical Coherence Tomography Images
Vidal, Plácido; Moura, Joaquim de; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (Springer, 2020)[Abstract]: Fluid accumulations in between the retinal layers represent one of the main causes of blindness in developed countries. Currently, these fluid accumulations are detected by means of a manual inspection of Optical ... -
Multi-task Convolutional Neural Networks for the End-to-end Simultaneous Segmentation and Screening of the Epiretinal Membrane in OCT Images
Gende, M.; Moura, Joaquim de; Penedo, Manuel; Novo Buján, Jorge; Ortega Hortas, Marcos (EasyChair, 2023-02-16)[Absctract]: The Epiretinal Membrane (ERM) is an ocular pathology that causes visual distortion. In order to detect and treat the ERM, ophthalmologists visually inspect Optical Coherence Tomography (OCT) images.This is ... -
Retinal Vasculature Identification and Characterization Using OCT Imaging
Moura, Joaquim de; Novo Buján, Jorge; Rouco, J.; Barreira, Noelia; Penedo, Manuel; Ortega Hortas, Marcos (IntechOpen, 2018)[Absctract]: The eye fundus is the part of the human body where the blood vessels can be directly observed and studied. For this reason, the analysis and diagnosis of many relevant diseases that affect the circulatory ... -
Robust deep learning-based approach for retinal layer segmentation in optical coherence tomography images
Budiño, Alejandro; Ramos, Lucía; Moura, Joaquim de; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (Springer Science and Business Media Deutschland GmbH, 2022)[Abstract]: In recent years, the medical image analysis field has experienced remarkable growth. Advances in computational power have made it possible to create increasingly complex diagnostic support systems based on deep ... -
Robust segmentation of retinal layers in optical coherence tomography images based on a multistage active contour model
González-López, Ana; Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Penedo, Manuel (Elsevier, 2019)[Abstract]: Optical Coherence Tomography (OCT) constitutes an imaging technique that is increasing its popularity in the ophthalmology field, since it offers a more complete set of information about the main retinal ... -
Vessel Tree Extraction and Depth Estimation with OCT Images
Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Barreira, Noelia; Penedo, Manuel (Springer, 2016-09-08)[Absctract]: The identification of the retinal arterio-venular tree is a relevant issue for its analysis in a large variability of procedures. Classical methodologies employ 2D acquisition strategies that obtain a limited ...