Ara es mostren els items 1-20 de 20

    • Colorimetric analysis of eye fundus structures with multispectral retinography 

      Burgos Fernández, Francisco Javier; Alterini, Tommaso; Díaz Douton, Fernando; Vilaseca Ricart, Meritxell (International Colour Association (AIC), 2021)
      Comunicació de congrés
      Accés obert
      The analysis of the eye fundus is critical to prevent retinal and choroidal diseases since most of them cause no symptoms at early stages. Treating them when the very first signs appear is crucial to avoid vision losses. ...
    • Detection of irrigation inhomogeneities in an olive grove using the NDRE vegetation index obtained from UAV images 

      Jorge Sánchez, Juan; Vallbé Mumbrú, Marc; Soler, José Alberto (2019-01-01)
      Article
      Accés obert
      We have developed a simple photogrammetric method to identify heterogeneous areas of irrigated olive groves and vineyard crops using a commercial multispectral camera mounted on an unmanned aerial vehicle (UAV). By comparing ...
    • Evaluation of state-of-the-art deep learning algorithms for multispectral skin cancer images classification 

      Robredo Del Rey, Diego (Universitat Politècnica de Catalunya, 2021-09-09)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      It is a present need to diagnose skin cancer sooner, faster and non-invasively. With recent achievements in the use of non-invasive imaging techniques and learning algorithms for Computer-Aided Diagnosis, the present work ...
    • Fast visible and extended nearinfrared multispectral fundus camera 

      Alterini, Tommaso; Díaz Douton, Fernando; Burgos Fernández, Francisco Javier; Gonzalez, Laura; Mateo, Carlos; Vilaseca Ricart, Meritxell (2019-09)
      Article
      Accés obert
      We present a multispectral fundus camera that performs fast imaging of the ocular posterior pole in the visible and near-infrared (400 to 1300 nm) wavelengths through 15 spectral bands, using a flashlight source made of ...
    • Image processing and deep learning for precision agriculture 

      Martínez Chisbert, David (Universitat Politècnica de Catalunya, 2022-07-21)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
    • Mejora del diagnóstico del cáncer de piel a través de sistemas ópticos 

      Delpueyo Español, Xana; Ares Rodríguez, Miguel; Vilaseca Ricart, Meritxell; Royo Royo, Santiago; Sanabria Ortega, Fernando Guillermo; Herrera Ramírez, Jorge Alexis; Hincapié-Zuluaga, Diego; Puig, Susana; Pellacani, Giovanni; Vázquez, Jorge; Solomita, Giuseppe; Bosch, Thierry (2015-12)
      Article
      Accés obert
    • Multispectral and colour imaging systems for the detection of small vertebrate fossils: A preliminary study 

      Delpueyo Español, Xana; Vilaseca Ricart, Meritxell; Furió, Marc; Burgos Fernández, Francisco Javier; Pujol Ramo, Jaume (2016)
      Article
      Accés obert
    • Multispectral imaging of healthy and diseased red blood cells using confocal microscopy 

      Rey-Barroso, Laura; Roldán Molina, Mónica; Burgos Fernández, Francisco Javier; Isola, Ignacio; Ruiz-Llobet, Anna; Gassiot Riu, Susana; Vilaseca Ricart, Meritxell (2021-05-14)
      Audiovisual
      Accés obert
      Red blood cells (RBCs) alterations can cause very severe blood diseases. In thalassemia, the production of hemoglobin polypeptide chains is unbalanced. This causes no symptoms or small blood count alterations in patients ...
    • Multispectral imaging of healthy and diseased red blood cells using confocal microscopy 

      Rey Barroso, Laura; Roldán Molina, Mónica; Burgos Fernández, Francisco Javier; Isola, Ignacio; Ruiz Llobet, Anna; Gassiot Riu, Susanna; Vilaseca Ricart, Meritxell (2021-05-13)
      Comunicació de congrés
      Accés obert
    • Multispectral imaging of healthy and diseased red blood cells using confocal microscopy 

      Rey Barroso, Laura; Roldán, Mónica; Burgos Fernández, Francisco Javier; Isola, Ignacio; Ruiz Llobet, Anna; Gassiot Riu, Susanna; Vilaseca Ricart, Meritxell (International Colour Association (AIC), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Red blood cell disorders represent the most common single-gene defects and pose a major public health problem, particularly in tropical countries, occurring with high frequency. Their diagnose can sometimes be difficult ...
    • Multispectral imaging system based on light-emitting diodes for the detection of melanomas and basal cell carcinomas: A pilot study 

      Delpueyo Español, Xana; Vilaseca Ricart, Meritxell; Royo Royo, Santiago; Ares Rodríguez, Miguel; Rey Barroso, Laura; Sanabria Ortega, Fernando Guillermo; Puig, Susana; Malvehy, Josep; Pellacani, Giovanni; Noguero, F.; Solomita, Giuseppe; Bosch, T. (2017-06-01)
      Article
      Accés restringit per política de l'editorial
      This article proposes a multispectral system that uses the analysis of the spatial distribution of color and spectral features to improve the detection of skin cancer lesions, specifically melanomas and basal cell carcinomas. ...
    • Multispectral retinography in healthy adult population 

      Burgos Fernández, Francisco Javier; Alterini, Tommaso; Díaz Douton, Fernando; Bou Marín, Marina; Vilaseca Ricart, Meritxell (Optical Society of American (OSA), 2021)
      Comunicació de congrés
      Accés obert
      Spectral reflectance of the eye fundus was evaluated in adult healthy patients through a fast visible and near-infrared multispectral fundus camera. Spectral signatures were analyzed for different ocular structures of the ...
    • Multispectral retinography in healthy adult population 

      Burgos Fernández, Francisco Javier; Alterini, Tommaso; Díaz Douton, Fernando; Bou Marín, Marina; Vilaseca Ricart, Meritxell (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Spectral reflectance of the eye fundus was evaluated in adult healthy patients through a fast visible and near-infrared multispectral fundus camera. Spectral signatures were analyzed for different ocular structures of the ...
    • Optical technologies for the improvement of skin cancer diagnosis: a review 

      Rey Barroso, Laura; Peña Gutiérrez, Sara; Yáñez Alvarado, Carlos René; Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Royo Royo, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-02)
      Article
      Accés obert
      The worldwide incidence of skin cancer has risen rapidly in the last decades, becoming one in three cancers nowadays. Currently, a person has a 4% chance of developing melanoma, the most aggressive form of skin cancer, ...
    • Portable multispectral imaging system based on light-emitting diodes for spectral recovery from 370 to 1630 nm 

      Herrera Ramírez, Jorge Alexis; Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume (2014-05-10)
      Article
      Accés obert
      To expand and investigate the potential of spectral imaging, we developed a portable multispectral system using light-emitting diodes. This system recovers spectral information from the UV to the near IR over a large area ...
    • Study of skin cancer lesions through multispectral and 3D techniques 

      Rey Barroso, Laura; Burgos Fernández, Francisco Javier; Ares Rodríguez, Miguel; Royo Royo, Santiago; Delpueyo, Xana; Puig, Susana; Malvehy Guilera, Josep; Pellacani, Giovanni; Vilaseca Ricart, Meritxell (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The effective and non-invasive diagnosis of skin cancer is a hot topic in biophotonics since the current gold standard, biopsy followed by histological examination, is a slow and costly procedure for the healthcare system. ...
    • Training deep learning algorithms with multispectral dataset of skin lesions for the improvement of skin cancer diagnosis 

      Rey Barroso, Laura; Vilaseca Ricart, Meritxell; Royo Royo, Santiago; Puig Sardá, Susana; Malvehy Guilera, Josep; Pellacani, Giovanni; Lihacova, Ilze; Bondarenko, Andrey; Burgos Fernández, Francisco Javier (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2023)
      Text en actes de congrés
      Accés obert
      Dermatologists are starting to make use of Computer-Aided Diagnosis based on deep learning algorithms, which can provide them with an objective judgement during evaluation of equivocal lesions. DL algorithms can be trained ...
    • Validation of a gonio-hyperspectral imaging system based on light-emitting diodes for the spectral and colorimetric analysis of automotive coatings 

      Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Perales Romero, Esther; Chorro Calderón, Elisabet; Martínez Verdú, Francisco Miguel; Fernández Dorado, José; Pujol Ramo, Jaume (Optical Society of American (OSA), 2017-09-01)
      Article
      Accés obert
      In this study, a novel gonio-hyperspectral imaging system based on light-emitting diodes for the analysis of automotive coatings was validated colorimetrically and spectrally from 368 to 1309 nm. A total of 30 pearlescent, ...
    • Visible and extended near-infrared multispectral imaging for skin cancer diagnosis 

      Rey Barroso, Laura; Burgos Fernández, Francisco Javier; Delpueyo, Xana; Ares Rodríguez, Miguel; Royo Royo, Santiago; Malvehy Guilera, Josep; Puig, Susana; Vilaseca Ricart, Meritxell (2019-01)
      Capítol de llibre
      Accés obert
      With the goal of diagnosing skin cancer in an early and noninvasive way, an extended near infrared multispectral imaging system based on an InGaAs sensor with sensitivity from 995 nm to 1613 nm was built to evaluate deeper ...
    • Visible and extended near-infrared multispectral imaging for skin cancer diagnosis 

      Rey Barroso, Laura; Burgos Fernández, Francisco Javier; Delpueyo Español, Xana; Ares Rodríguez, Miguel; Royo Royo, Santiago; Malvehy Guilera, José; Puig, Susana; Vilaseca Ricart, Meritxell (Multidisciplinary Digital Publishing Institute (MDPI), 2018-05-05)
      Article
      Accés obert