GOAPI - Grup d'Òptica Aplicada i Processament d'Imatge
El grup desenvolupa línies de recerca relacionades amb el processament de la informació òptica continguda en imatges i d'altres aplicacions de l’òptica visible, amb extensió a les bandes espectrals de l’infraroig pròxim i l’ultravioleta. Abasta la formació investigadora d'estudiants de màster i doctorat. Comprèn temes relacionats amb: la imatge (formació, presentació i anàlisi), la visió, el color i el processat amb làser. Cobreix aplicacions diverses en els camps de la salut visual, la inspecció de teixits tèxtils, la seguretat òptica, la visió artificial, la inspecció automàtica, el tractament i l’anàlisi d’imatges, el reconeixement de formes, la qualitat òptica i visual, les lents intraoculars, la imatge mèdica, el disseny d’instruments, les tècniques de caracterització i mesura, la fotometria, la colorimetria, el color digital, el processat de materials per irradiació làser i temes afins.
The group?s aim is to carry out research related to the applications of visible optics, including near infrared and ultraviolet spectral bands. It deals with images, vision, colour and laser processing. It embraces a variety of applications in the fields of machine vision, automatic inspection, image analysis and processing, pattern recognition,optical and visual qualities, intraocular lenses, instrumentation and measuring techniques, photometry, colour measurement, digital colour, laser processing of materials, laser marking, waveguides, etc.
The aims of the group involve the following three areas:
- Image processing. The acquisition, analysis, display and processing of images. Optical, digital and hybrid operations performed for a given application, such as pattern recognition, feature extraction, image improvement, fault detection, identification, classification, discrimination, codification, characterisation, etc. Systems, devices and illumination environments for image capturing and display. Human vision models applied to
The group?s aim is to carry out research related to the applications of visible optics, including near infrared and ultraviolet spectral bands. It deals with images, vision, colour and laser processing. It embraces a variety of applications in the fields of machine vision, automatic inspection, image analysis and processing, pattern recognition,optical and visual qualities, intraocular lenses, instrumentation and measuring techniques, photometry, colour measurement, digital colour, laser processing of materials, laser marking, waveguides, etc.
The aims of the group involve the following three areas:
- Image processing. The acquisition, analysis, display and processing of images. Optical, digital and hybrid operations performed for a given application, such as pattern recognition, feature extraction, image improvement, fault detection, identification, classification, discrimination, codification, characterisation, etc. Systems, devices and illumination environments for image capturing and display. Human vision models applied to
Col·leccions
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Articles de revista [54]
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Llibres [2]
Enviaments recents
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Influence of a perturbation in the Gyrator domain for a joint transform correlator-based encryption system
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2017)
Comunicació de congrés
Accés restringit per política de l'editorial -
Nonlinear joint transform correlator architectures for images encryption, decryption and authentication systems
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2017)
Comunicació de congrés
Accés restringit per política de l'editorial -
Connectivity-based segmentation of retinal vessels in eye fundus images
(2017-12)
Article
Accés obert© Sociedad Española de Óptica. A new unsupervised method for segmentation of objects of diverse nature with the common feature of connectivity (e.g. branching trees or net-shaped objects) is proposed. A preferred application ... -
Dust particle artifact detection and removal in retinal images
(2017-12-01)
Article
Accés restringit per política de l'editorialRetinal fundus cameras suffer from dust particles attaching to the sensor and lens, which manifest as small artifacts on the images. We propose a new strategy for the detection and removal of dust particle artifacts in ... -
Patient-Perceived and Laboratory-Measured Halos Associated with Diffractive Bifocal and Trifocal Intraocular Lenses
(2017-11-21)
Article
Accés restringit per política de l'editorialPurpose: To examine and assess the halos generated in distance vision by multifocal intraocular lenses (IOLs) using both in vitro objective and in vivo subjective methods. Setting: The objective method was carried out in ... -
On lamps, walls, and eyes: the spectral radiance field and the evaluation of light pollution indoors
(2018-01-01)
Article
Accés restringit per política de l'editorialLight plays a key role in the regulation of different physiological processes, through several visual and non-visual retinal phototransduction channels whose basic features are being unveiled by recent research. The growing ... -
Extended depth of focus intraocular lens: Chromatic performance
(2017-09-01)
Article
Accés obertWe describe a first-and-second-diffractive-order intraocular lens ((1st,2nd)DIOL) within the class of hybrid refractive-diffractive designs for intraocular lenses (IOLs) and analyse its properties of focus extension and ... -
Halos and multifocal intraocular lenses: origin and interpretation
(Elsevier, 2014-11-04)
Article
Accés obert -
Spectral radiance of blue light filters on ophthalmic lenses
(2017-05-29)
Article
Accés obertAs a result of the recent improvement in light-emitting diode (LED) technology, the displays of the vast majority of electronic devices are now illuminated by LEDs. There are several advantages of this type of light source ... -
Changes in peripheral refraction, higher-order aberrations, and accommodative lag with a radial refractive gradient contact lens in young myopes
(Lippincott Williams & Wilkins, 2016-01-22)
Article
Accés obertPurpose: To evaluate changes in the peripheral refraction (PR), visual quality, and accommodative lag with a novel soft radial refractive gradient (SRRG) experimental contact lens that produces peripheral myopic ... -
Nanoporous silicon-based surface patterns fabricated by UV laser interference techniques for biological applications
(2016-05-04)
Article
Accés obertThe fabrication of selectively functionalized micropatterns based on nanostructured porous silicon (nanoPS) by phase mask ultraviolet laser interference is presented here. This single-step process constitutes a flexible ... -
Etiquetas ópticas identificativas invariantes a deformaciones de perspectiva y distorsión
(2009)
Comunicació de congrés
Accés obert