Browsing by Author "Barreira, Noelia"
Now showing items 1-19 of 19
-
Artery/vein classification of blood vessel tree in retinal imaging
Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Barreira, Noelia; Charlón, Pablo (SCITEPRESS – Science and Technology Publications, 2017)[Absctract]: Alterations in the retinal microcirculation are signs of relevant diseases such as hypertension, arteriosclerosis, or diabetes. Specifically, arterial constriction and narrowing were associated with early ... -
Automated segmentation of the central serous chorioretinopathy fluid regions using optical coherence tomography scans
Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Barreira, Noelia; Charlón, Pablo (Institute of Electrical and Electronics Engineers Inc., 2021)[Abstract]: Central serous chorioretinopathy is one of the most frequent causes of vision impairment among middle-aged adults. Optical Coherence Tomography (OCT) is a non-invasive diagnostic technique that is commonly used ... -
Automatic Characterization of Epiretinal Membrane in OCT Images with Supervised Training
Baamonde, Sergio; Moura, Joaquim de; Novo Buján, Jorge; Barreira, Noelia; Ortega Hortas, Marcos (MDPI, 2018-09)[Abstract]: This work presents an automatic method to characterize the presence or absence of the epiretinal membrane (ERM) in Optical Coherence Tomography (OCT) images. To this end, a predefined set of classifiers is used ... -
Automatic Retinal Vascularity Identification and Artery/Vein Classification Using Near-Infrared Reflectance Retinographies
Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Barreira, Noelia; Charlón, Pablo (Springer, 2019-01)[Absctract]: The retinal microcirculation structure is commonly used as an important source of information in many medical specialities for the diagnosis of relevant diseases such as, for reference, hypertension, ... -
Automatic System for the Identification and Visualization of the Retinal Vessel Tree Using OCT Imaging
Moura, Joaquim de; Novo Buján, Jorge; Barreira, Noelia; Penedo, Manuel; Ortega Hortas, Marcos (MDPI, 2018)[Abstract]: This paper proposes a system for the three-dimensional identification and visualization of the retinal vasculature using Optical Coherence Tomography (OCT) scans. This fully automatic tool provides useful ... -
Choroid segmentation in non-EDI OCT images of multiple sclerosis patients
López-Varela, Emilio; Barreira, Noelia; Olivier Pascual, Nuria; García Ben, Emma; Rubio Cid, Sara; Penedo, Manuel (A. Leitao and L. Ramos (eds.), 2023)[Abstract]: Optical coherence tomography (OCT) is a non-invasive diagnostic technique that can image ocular structures. Recently, this imaging technique has been used to diagnose and monitor patients with multiple sclerosis ... -
Deep learning for segmentation of optic disc and retinal layers in peripapillary optical coherence tomography images
Rivas Vázquez, Estefanía; Barreira, Noelia; López-Varela, Emilio; Penedo, Manuel (Society of Photo-Optical Instrumentation Engineers (SPIE), 2023-06)[Abstract]: Optical coherence tomography (OCT) is a non-invasive technique that allows the retina to be studied with precision, the analysis of the features of its layers and other structures such as the macula or the optic ... -
Efficient semi-supervised hierarchical training for segmenting choroidal vessels and other structures on OCT images of multiple sclerosis patients
López-Varela, Emilio; Olivier Pascual, Nuria; Quezada-Sánchez, Johnny; Oreja-Guevara, Celia; Barreira, Noelia (Elsevier, 2025-02)[Abstract]: Optical coherence tomography (OCT) is a non-invasive imaging technique used to diagnose ocular and systemic diseases. Recently, several clinical studies have linked changes in different ocular layers to the ... -
Enhanced visualization of the retinal vasculature using depth information in OCT
Moura, Joaquim de; Novo Buján, Jorge; Charlón, Pablo; Barreira, Noelia; Ortega Hortas, Marcos (Springer, 2017-06-17)[Abstract]: Retinal vessel tree extraction is a crucial step for analyzing the microcirculation, a frequently needed process in the study of relevant diseases. To date, this has normally been done by using 2D image capture ... -
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 ... -
Enhancing Retinal Blood Vessel Segmentation through Self-Supervised Pre-Training
Morano, José; Hervella, Álvaro S.; Barreira, Noelia; Novo Buján, Jorge; Rouco, J. (MDPI AG, 2020-08-25)[Abstract] The segmentation of the retinal vasculature is fundamental in the study of many diseases. However, its manual completion is problematic, which motivates the research on automatic methods. Nowadays, these methods ... -
Fully automatic segmentation of the choroid in non-EDI OCT images of patients with multiple sclerosis
López-Varela, Emilio; Barreira, Noelia; Olivier Pascual, Nuria; García Ben, Emma; Rubio Cid, Sara (Elsevier, 2022)[Abstract]: Multiple Sclerosis (MS) is a chronic neurological disease, in which immune-mediated mechanisms lead to pathological processes of neurodegeneration. Optical coherence tomography (OCT) has recently begun to be ... -
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 ... -
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 ... -
Influence of Storage Time on the DNA Integrity and Viability of Spermatozoa of the Spider Crab Maja brachydactyla
Rodríguez Pena, Elba; Suárez, Diego; Estévez-Pérez, G.; Verísimo Amor, Patricia; Barreira, Noelia; Fernández, Luis; González-Tizón, Ana M.; Martínez-Lage, Andrés (MDPI, 2023-11-17)[Abstract] Natural populations of the spider crab Maja brachydactyla constitute a fishery resource of great economic importance in many countries. As in the rest of eubrachyurans, the females of this species have ventral-type ... -
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 ... -
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 ... -
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 ... -
Visualization of pathological changes in retinal layer thickness using optical coherence tomography
López-Varela, Emilio; Barreira, Noelia; Olivier Pascual, Nuria; Quezada-Sánchez, Johnny; Oreja-Guevara, Celia (Instituto de Investigación Sanitaria de Santiago (IDIS), 2023-12)[Abstract]: Optical Coherence Tomography (OCT) is a non-invasive imaging technique that provides high-resolution cross-sectional images of biological tissues. Biomarkers such as the thickness of retinal layers can be used ...