Browsing by Subject "Imatges -- Anàlisi"
Now showing items 1-20 of 32
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A quaternion deterministic monogenic CNN layer for contrast invariance
(Springer, 2021)
Part of book or chapter of book
Open AccessDeep learning (DL) is attracting considerable interest as it currently achieves remarkable performance in many branches of science and technology. However, current DL cannot guarantee capabilities of the mammalian visual ... -
A trainable monogenic ConvNet layer robust in front of large contrast changes in image classification
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12-20)
Article
Open AccessConvolutional Neural Networks (ConvNets) at present achieve remarkable performance in image classification tasks. However, current ConvNets cannot guarantee the capabilities of the mammalian visual systems such as invariance ... -
Applying deep learning for food image analysis
(Universitat Politècnica de Catalunya, 2020-04)
Master thesis
Open AccessWith the increasing availability of data on the internet, deep learning techniques have been on the rise these past decade. Food images specifically are one of the most commonly shared types of image on social media. ... -
Atmospheric phase drift analysis and compensation in permanent Gb-Sar monitoring of crop fields
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessIn the framework of a feasibility study in support of the Hydroterra mission, a high resolution radar has been setup to monitor continuously a crop field with high resolution synthetic aperture radar images. In parallel, ... -
Automated image analysis for single-atom detection in catalytic materials by transmission electron microscopy
(2022-03-25)
Article
Open AccessSingle-atom catalytic sites may have existed in all supported transition metal catalysts since their first application. Yet, interest in the design of single-atom heterogeneous catalysts (SACs) only really grew when advances ... -
Automated location of active fire perimeters in aerial infrared imaging using unsupervised edge detectors
(2018-04-23)
Article
Open AccessA variety of remote sensing techniques have been applied to forest fires. However, there is at present no system capable of monitoring an active fire precisely in a totally automated manner. Spaceborne sensors show too ... -
Building graph representations of deep vector embeddings
(Association for Computational Linguistics, 2017)
Conference lecture
Open AccessPatterns stored within pre-trained deep neural networks compose large and powerful descriptive languages that can be used for many different purposes. Typically, deep network representations are implemented within vector ... -
Deep convolutional neural network architecture for effective Image analysis
(Universitat Politècnica de Catalunya, 2017)
Master thesis
Open Access
Covenantee: Kungliga Tekniska högskolanThis master thesis presents the process of designing and implementing a CNN-based architecture for image recognition included in a larger project in the field of fashion recommendation with deep learning. Concretely, the ... -
Diseño de un nuevo prototipo de medida de granulometría por análisis de imagen
(Universitat Politècnica de Catalunya, 2013-06)
Master thesis (pre-Bologna period)
Open AccessLas medidas de granulometría son un medio eficaz para controlar el buen funcionamiento del proceso de fabricación de los azúcares. Sin embargo, las técnicas de granulometría actuales, como la del tamizado, se aplican bien ... -
Effective visualization of sparse image-to-image correspondences
(European Association for Computer Graphics (Eurographics), 2020)
Conference report
Open AccessFinding robust correspondences between images is a crucial step in photogrammetry applications. The traditional approach to visualize sparse matches between two images is to place them side-by-side and draw link segments ... -
Estudio de la medida de la difusión intraocular con un nuevo parámetro basado en el análisis de imágenes de doble paso en el dominio de las frecuencias.
(Universitat Politècnica de Catalunya, 2018-10-25)
Master thesis
Open AccessObjetivo: Validar un nuevo parámetro para la medida de la difusión intraocular basado en el análisis de imágenes de doble paso en el dominio de las frecuencias (FSI, Frequency Scatter Index). Lugar: Servicio Oftalmológico, ... -
Estudio de viabilidad de un sistema óptico para medir la concentración de inmisión de partículas atmosféricas
(Universitat Politècnica de Catalunya, 2014-06)
Master thesis (pre-Bologna period)
Open AccessEn la actualidad, cada vez son más las ciudades que tienen un exceso de contaminantes en la atmósfera que respiran sus ciudadanos. Uno de estos contaminantes son las partículas microscópicas, que cuando son menores de ... -
Extracting information from images to improve real estate marketplaces' experience
(Universitat Politècnica de Catalunya, 2021-07-02)
Bachelor thesis
Restricted access - confidentiality agreement -
Focus and bias: will it blend?
(IOS Press, 2022)
Conference report
Open AccessOne direct application of explainable AI feature attribution methods is to be used for detecting unwanted biases. To do so, domain experts typically have to review explained inputs, checking for the presence of unwanted ... -
Full-network embedding in a multimodal embedding pipeline
(Association for Computational Linguistics, 2017)
Conference lecture
Open AccessThe current state-of-the-art for image annotation and image retrieval tasks is obtained through deep neural networks, which combine an image representation and a text representation into a shared embedding space. In this ... -
Image analysis using deep-learning over a distributed platform such as spark in the Marenostrum
(Universitat Politècnica de Catalunya, 2016-06-28)
Master thesis
Open AccessIn recent years the digital universe has grown exponentially, the common use of the Internet has led to a new way to generate and consume information, only 10 years ago, it was necessary a deployment of technological i ... -
Impact of SAR image resolution on polarimetric persistent scatterer interferometry with amplitude dispersion optimization
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Article
Open AccessPolarimetric persistent scatterer interferometry (PolPSI) takes advantage of polarimetric optimization algorithms that enhance interferograms’ phase quality by adequately combining the available polarization channels (e.g., ... -
Impact of SAR image resolution on the performance of the amplitude dispersion optimization for polarimetric persistent scatterer interferometry
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessPolarimetric persistent scatterer interferometry (PolPSI) takes advantage of polarimetric optimization algorithms that enhance interferograms’ phase quality by adequately combining the available polarization channels (e.g., ... -
Large-scale video analytics through object-level consolidation
(Springer, 2022)
Conference report
Open AccessAs the number of installed cameras grows, so do the compute resources required to process and analyze all the images captured by these cameras. Video analytics enables new use cases, such as smart cities or autonomous ... -
Limits to the representation capacity of imaging in random media
(2013-10-02)
Article
Open AccessThe information capacity of an image in the atmosphere, ocean, or biological media does not grow indefinitely with increasing light power but has well defined limits. Here, the exact effects of the propagation of light in ...
