Browsing by Author "Peña Gutiérrez, Sara"
Now showing items 1-17 of 17
-
A full Stokes imaging polarimeter based on a consumer CMOS camera
Peña Gutiérrez, Sara; Ballesta Garcia, Maria; Royo Royo, Santiago (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
Conference lecture
Restricted access - publisher's policyNowadays, taking advantage of polarization allows enhancing the contrast of a detected object and extending the information of the scene compared to conventional intensity imagery, as the information added by polarimetric ... -
Activities in imaging through fog at CD6: polarimetric imaging
Peña Gutiérrez, Sara; Ballesta Garcia, Maria; Royo Royo, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThe CD6 has recently developed a powerful line of research on polarimetric imaging. This field covers several applications in which the addition of polarization properties enables to enhance the contrast in detection. ... -
Activities in imaging through fog at CD6: polarized light propagation modelling
Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Royo Royo, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyCurrently, in CD6, a new line of research devoted to polarimetric imaging is being developed. The use of polarization adds new information that is not reachable using other conventional imaging modes. In addition, recent ... -
Analysis of the performance of a polarized LiDAR imager in fog
Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Rodríguez Aramendia, Ana; García Gómez, Pablo; Rodrigo Arcay, Noel; Bobi Olmo, Aleix Ramón; Royo Royo, Santiago (2022-11-07)
Article
Open AccessThis paper focuses on exploring ways to improve the performance of LiDAR imagers through fog. One of the known weaknesses of LiDAR technology is the lack of tolerance to adverse environmental conditions, such as the presence ... -
Detección de luz en medios turbios: simulaciones de Monte-Carlo para imagen activa usando luz polarizada o detección resuelta en el tiempo
Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Royo Royo, Santiago (Universidad de Zaragoza (UZA), 2019)
Conference lecture
Restricted access - publisher's policyLa obtención de imágenes en condiciones climatológicas adversas (como niebla, lluvia y neblina), es uno de los problemas que afecta actualmente la investigación en el campo de la navegación, como resultado del creciente ... -
Evaluación de modos de imagen polarimétrica en una cámara de niebla mediante el uso del contraste de imagen
Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Val Martí, Aina; Royo Royo, Santiago (Comité de Optoelectrónica, 2021)
Conference lecture
Restricted access - publisher's policyMediante el uso de una cámara polarimétrica y una fuente de luz linealmente polarizada, se ha realizado una comparativa entre distintos modos de imagen polarimétrica e imagen de intensidad en un entorno de niebla controlado. ... -
Imagen multiespectral polarizada para el diagnóstico del cáncer de piel
Rey Barroso, Laura; Burgos Fernández, Francisco Javier; Díaz Douton, Fernando; Peña Gutiérrez, Sara; Royo Royo, Santiago; Ares Rodríguez, Miguel; Puig, Susana; Malvehy Guilera, Josep; Pellacani, Giovanni; Vilaseca Ricart, Meritxell (Universidad de Jaén, 2019)
Conference lecture
Restricted access - publisher's policy -
Medida de superficies 3D mediante imagen polarimétrica
Peña Gutiérrez, Sara; Maynou Ribas, Paula; Ballesta Garcia, Maria; Royo Royo, Santiago (Comité de Optoelectrónica, 2021)
Conference lecture
Restricted access - publisher's policyLa polarización de la luz reflejada en un objeto aporta información sobre su índice de refracción, su rugosidad, y también de su forma. Así, esta propiedad de la luz puede ser útil en visión artificial para recuperar la ... -
Método de calibración de una cámara CMOS comercial para su uso como cámara polarimétrica
Peña Gutiérrez, Sara; Ballesta Garcia, Maria; Royo Royo, Santiago (Universidad de Zaragoza (UZA), 2019)
Conference lecture
Restricted access - publisher's policyLa imagen polarimétrica puede mejorar notablemente el contraste de un objeto, ampliando la información detectada de la escena mediante imágenes de intensidad convencionales. La información obtenida, además, es complementaria ... -
Novel melanoma diagnosis and prognosis methods based on 3D fringe projection
Peña Gutiérrez, Sara (Universitat Politècnica de Catalunya, 2016-06-29)
Bachelor thesis
Open AccessThis project aims to find an effective and non-invasive methodology to assist in the diagnosis of skin lesions using 3D profile features. -
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
Open AccessThe 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, ... -
Optimization study of plasmonic photothermal cancer therapy with multimodal numerical simulations
Peña Gutiérrez, Sara (Universitat Politècnica de Catalunya, 2017-09-07)
Master thesis
Restricted access - confidentiality agreement -
Polarimetric imaging vs. conventional imaging: evaluation of image contrast in fog
Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Val Martí, Aina; Royo Royo, Santiago (2021-06-24)
Article
Open AccessWe compare conventional intensity imaging against different modes of polarimetric imaging by evaluating the image contrast of images taken in a controlled foggy environment. A small-scale fog chamber has been designed and ... -
Polarization calibration assessment for a broadband imaging polarimeter based on a division of aperture architecture
Peña Gutiérrez, Sara; Royo Royo, Santiago (2023-01-30)
Article
Open AccessThis article intends to provide all the experimental insights and analyze the best polarimetric calibration method for a division of aperture polarimetric imager considering the different implications it has on the ... -
Polarization memory effect: imaging through scattering media
Peña Gutiérrez, Sara; Royo Royo, Santiago (2021-05-13)
Conference lecture
Open Access -
Polarized multispectral imaging for the diagnosis of skin cancer
Rey Barroso, Laura; Burgos Fernández, Francisco Javier; Royo Royo, Santiago; Puig, Susana; Malvehy Guilera, Josep; Pellacani, Giovanni; Delpueyo, Xana; Peña Gutiérrez, Sara; Díaz Douton, Fernando; Vilaseca Ricart, Meritxell (Society for Imaging Science and Technology (IS&T), 2019)
Conference lecture
Restricted access - publisher's policyThe effective and non-invasive diagnosis of skin cancer is a hot topic in biophotonics since the current gold standard, a biopsy, is slow and costly. Non-invasive optical techniques such as polarization and multispectral ... -
Quantitative demonstration of the superiority of circularly polarized light in fog environments
Peña Gutiérrez, Sara; Ballesta Garcia, Maria; García Gómez, Pablo; Royo Royo, Santiago (2022-01-15)
Article
Open AccessThe polarization behavior of light transmitted through scattering media is studied quantitatively. A division of focal plane (DOFP) imaging polarimeter modified with a wideband quarter-wave plate (QWP) is used to evaluate ...