Listar GI-VARPA - Congresos, conferencias, etc. por autor "Novo Buján, Jorge"
Mostrando ítems 1-20 de 78
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3D Retinal Vessel Tree Segmentation and Reconstruction with OCT Images
Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Charlón, Pablo (Springer, 2016-07-01)[Absctract]: Detection and analysis of the arterio-venular tree of the retina is a relevant issue, providing useful information in procedures such as the diagnosis of different pathologies. Classical approaches for vessel ... -
Analysis of Imbalanced Datasets in the Performance of Deep Learning Approaches for COVID-19 Screening from Chest X-ray Imaging: Impact of Sex and Age Factors
Álvarez-Rodríguez, Lorena; Moura, Joaquim de; Ramos, Lucía; Novo Buján, Jorge; Ortega Hortas, Marcos (EasyChair, 2023-02-16)[Absctract]: In this work, we analysed 11 imbalance scenarios with female and male COVID-19 patients present in different proportions for the sex analysis, and 6 scenarios where only one specific age range was used for ... -
Analysis of Separability of COVID-19 and Pneumonia in Chest X-ray Images by Means of Convolutional Neural Networks
Moura, Joaquim de; Ramos, Lucía; Vidal, Plácido; Novo Buján, Jorge; Ortega Hortas, Marcos (MDPI AG, 2020-08-21)[Abstract] The new coronavirus (COVID-19) is a disease that is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). On 11 March 2020, the coronavirus outbreak has been labelled a global pandemic by the ... -
Análisis de datos multimodales para la toma de decisiones clínicas utilizando Inteligencia Artificial en el contexto de la COVID-19
Iglesias Morís, Daniel; Moura, Joaquim de; Marcos, Pedro J.; Míguez-Rey, Enrique; Novo Buján, Jorge; Ortega Hortas, Marcos (2023-12-14)[Abstract]: La COVID-19 es una enfermedad pulmonar infecciosa causante de la pandemia mundial del año 2020. En los momentos críticos de las emergencias sanitarias, el equipo médico debe tomar decisiones importantes en un ... -
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 Characterization of the serous Retinal Detachment Associated with the subretinal Fluid Presence in Optical Coherence Tomography Images
Moura, Joaquim de; Novo Buján, Jorge; Penas, Susana; Ortega Hortas, Marcos; Silva, Jorge; Mendonça, Ana Maria (Elsevier B.V., 2018)[Abstract]: An accurate detection of the macular edema (ME) presence constitutes a crucial ophthalmological issue as it provides useful information for the identification, diagnosis and treatment of different relevant ... -
Automatic Deep Learning-based Models for Retinal Layer Thickness Analysis as a Biomarker for Neurodegenerative Diseases
Gende, M.; Moura, Joaquim de; Cordón Ciordia, Beatriz; Viladés, Elisa; García-Martín, Elena; Sánchez, Clara I.; Novo Buján, Jorge; Ortega Hortas, Marcos (ARVO (Association for Research in Vision and Ophthalmology), 2023-06)Purpose : The retina is the most accessible part of the central nervous system, allowing its non-invasive exploration and measurement. Optical Coherence Tomography (OCT) offers an objective monitoring method of progression ... -
Automatic Detection of Blood Vessels in Retinal OCT Images
Moura, Joaquim de; Novo Buján, Jorge; Rouco, J.; Penedo, Manuel; Ortega Hortas, Marcos (Springer Verlag, 2017-06)[Abstract]: The eye is a non-invasive window where clinicians can observe and study in vivo the retinal vasculature, allowing the early detection of different relevant pathologies. In this paper, we present a complete ... -
Automatic Detection of Epiretinal Membrane in OCT Images by Means of Local Luminosity Patterns
Baamonde, Sergio; Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos (Springer, 2017-05-18)[Absctract]: This work presents a novel approach for automatic detection of the epiretinal membrane in Optical Coherence Tomography (OCT) images. A tool able to detect this pathology is very valued since it can prevent ... -
Automatic extraction of vascularity measurements using OCT-A images
Díaz González, Macarena; Novo Buján, Jorge; Penedo, Manuel; Ortega Hortas, Marcos (Elsevier, 2018)[Absctract]: Optical Coherence Tomography Angiography (OCT-A) represents a new modality of ophthalmological imaging that stands out for being a non-invasive capture technique that facilitates the analysis of the vascular ... -
Automatic identification and classification of diabetic macular edema using optical coherence tomography images
Fernández, María Isabel; Ortega Hortas, Marcos; Almuiña, Pablo; Gil Martínez, María; Moura, Joaquim de; Samagaio, Gabriela; Novo Buján, Jorge; Rodríguez Cid, María José; Abraldes, Maximino; Gómez-Ulla, Francisco (2019-09)[Absctract]: The automatic identification of the progressive intraretinal fluid accumulation constitutes a crucial ophthalmological issue as it provide useful information for the diagnosis, treatment and monitoring of the ... -
Automatic Identification and Segmentation of Diffuse Retinal Thickening Macular Edemas Using OCT Imaging
Samagaio, Gabriela; Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos (MDPI, 2018)[Abstract]: This paper proposes a novel methodology for the automatic identification and segmentation of the Diffuse Retinal Thickening (DRT) edemas using Optical Coherence Tomography (OCT) images as source of information. ... -
Automatic Identification of Diabetic Macular Edema Biomarkers Using Optical Coherence Tomography Scans
Moura, Joaquim de; Samagaio, Gabriela; Novo Buján, Jorge; Charlón, Pablo; Fernández, María Isabel; Gómez-Ulla, Francisco; Ortega Hortas, Marcos (Springer, 2020)[Abstract]: Optical Coherence Tomography (OCT) imaging has revolutionized the daily clinical practice, especially in the field of ophthalmology. Diabetic Macular Edema (DME) is one of the most important complications of ... -
Automatic Identification of Diabetic Macular Edema Using a Transfer Learning-Based Approach
Moura, Joaquim de; Vidal, Plácido; Novo Buján, Jorge; Ortega Hortas, Marcos (MDPI AG, 2019-07-31)[Abstract] This paper presents a complete system for the automatic identification of pathological Diabetic Macular Edema (DME) cases using Optical Coherence Tomography (OCT) images as source of information. To do so, the ... -
Automatic Identification of Intraretinal Cystoid Regions in Optical Coherence Tomography
Moura, Joaquim de; Novo Buján, Jorge; Rouco, J.; Penedo, Manuel; Ortega Hortas, Marcos (Springer, 2017-05)[Absctract]: Optical Coherence Tomography (OCT) is, nowadays, one of the most referred ophthalmological imaging techniques. OCT imaging offers a window to the eye fundus in a non-invasive way, permitting the inspection of ... -
Automatic Identification of Macular Edema in Optical Coherence Tomography Images
Samagaio, Gabriela; Estévez, Aída; Moura, Joaquim de; Novo Buján, Jorge; Ortega Hortas, Marcos; Fernández, María Isabel (SCITEPRESS – Science and Technology Publications, 2018)[Absctract]: This paper proposes a novel system for the simultaneous identification and characterization of the three types of Macular Edema (ME) in Optical Coherence Tomography (OCT). These MEs are clinically defined, ... -
Automatic Pipeline for Detection and Classification of Phytoplankton Specimens in Digital Microscopy Images of Freshwater Samples
Rivas-Villar, David; Rouco, J.; Carballeira, Rafael; Penedo, Manuel; Novo Buján, Jorge (MDPI, 2021)[Abstract] Phytoplankton blooming can compromise the quality of the water and its safety due to the negative effects of the toxins that some species produce. Therefore, the continuous monitoring of water sources is typically ... -
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, ...