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Browsing by Author "Pérez Cortés, Juan Carlos"

Now showing items 1-15 of 15

A deep learning system to obtain the optimal parameters for a threshold-based breast and dense tissue segmentation

Perez-Benito, Francisco Javier; Signol, François; Perez-Cortes, Juan-Carlos; Fuster Bagetto, Alejandro; Pollan, Marina; Pérez-Gómez, Beatriz; Salas-Trejo, Dolores; Casals, Maria; Martínez, Inmaculada; Llobet Azpitarte, Rafael (Elsevier, 2020-10)

[EN] Background and Objective: Breast cancer is the most frequent cancer in women. The Spanish healthcare network established population-based screening programs in all Autonomous Communities, where mammograms of asymptomatic ...
Aplicaciones de los autómatas transductores finitos con pesos (WFST) en la corrección simbólica en interfaces persona-máquina

Navarro Cerdán, José Ramón (Universitat Politècnica de València, 2016-04-18)

[EN] In this thesis a real application related to the string correction process from an OCR classifier in a form digitizing task is presented. These strings come from a classifier with a given error ratio that implies that ...
Batch-adaptive rejection threshold estimation with application to OCR post-processing

Navarro Cerdán, José Ramón; Arlandis Navarro, Joaquim Francesc; Llobet Azpitarte, Rafael; Perez-Cortes, Juan-Carlos (Elsevier, 2015-06-24)

An OCR process is often followed by the application of a language model to find the best transformation of an OCR hypothesis into a string compatible with the constraints of the document, field or item under consideration. ...
Clasificación y detección de errores en piezas para inspección industrial

Del Tejo Catalá, Omar (Universitat Politècnica de València, 2020-06-23)

[ES] Se presenta una comparativa entre distintos métodos para la extracción de características de un conjunto de piezas industriales. El objetivo de estas características es entrenar un algoritmo de clasificación con rechazo ...
Composition of Constraint, Hypothesis and Error Models to improve interaction in Human-Machine Interfaces

Navarro Cerdán, José Ramón; Llobet Azpitarte, Rafael; Arlandis, Joaquim; Perez-Cortes, Juan-Carlos (Elsevier, 2016-05)

We use Weighted Finite-State Transducers (WFSTs) to represent the different sources of information available: the initial hypotheses, the possible errors, the constraints imposed by the task (interaction language) and the ...
Desarrollo de un sistema software de etiquetado para aplicaciones GD&T (Geometric Dimensioning and Tolerancing)

Vañó Cerdá, Juan (Universitat Politècnica de València, 2017-05-19)

The project is aimed at the development of a labeling software module for Geometric Dimensioning and Tolerancing (GD&T) in 2D and 3D technical drawings. The main contributions of this software are: Allows the GD&T ...
Despliegue automatizado y seguro de sistemas en planta para el diagnóstico, gestión y administración remotas

Alcañiz Marco, Javier (Universitat Politècnica de València, 2017-04-25)

[ES] El uso de sistemas Linux está cada vez más presente en el día a día de las personas y aunque esto no se vea reflejado en el uso doméstico de los ordenadores, Linux es el sistema operativo más utilizado como servidor ...
Estudio de viabilidad del sistema Zero Gravity 3D

Salazar de Gurendes Angulo, Mikel (Universitat Politècnica de València, 2021-09-16)

[ES] Este trabajo presenta un sistema de inspección de calidad mediante visión 3D que desarrolla el ITI (Instituto Tecnológico de Informática). Describe el proceso de validación, mediante un estudio de viabilidad, de una ...
Global parenchymal texture features based on histograms of oriented gradients improve cancer development risk estimation from healthy breasts

Pérez-Benito, Francisco Javier; Signol, François; Perez-Cortes, Juan-Carlos; Pollán, Marina; Perez-Gómez, Beatriz; Salas-Trejo, Dolores; Casals, María; Martinez, Inmaculada; Llobet Azpitarte, Rafael (Elsevier, 2019-08)

[EN] Background The breast dense tissue percentage on digital mammograms is one of the most commonly used markers for breast cancer risk estimation. Geometric features of dense tissue over the breast and the presence of ...
High-Profile VRU Detection on Resource-Constrained Hardware Using YOLOv3/v4 on BDD100K

ORTIZ, V.; Salvador Igual, Ismael; Del Tejo Catalá, Omar; Perez-Cortes, Juan-Carlos (MDPI AG, 2020-12)

[EN] Vulnerable Road User (VRU) detection is a major application of object detection with the aim of helping reduce accidents in advanced driver-assistance systems and enabling the development of autonomous vehicles. Due ...
I3D, un sistema de inspección industrial 3D sin contacto

Salvador Igual, Ismael; Carrión Robles, Diego; Perez-Cortes, Juan-Carlos; Sáez Barona, Sergio (Instituto Tecnológico de Informática, 2011-09)
Probabilistic Evaluation of 3D Surfaces Using Statistical Shape Models (SSM)

Pérez, Javier; Guardiola Garcia, Jose Luis; Pérez Jiménez, Alberto José; Perez-Cortes, Juan-Carlos (MDPI AG, 2020-11)

[EN] Inspecting a 3D object which shape has elastic manufacturing tolerances in order to find defects is a challenging and time-consuming task. This task usually involves humans, either in the specification stage followed ...
Real-time on-board pedestrian detection using generic single-stage algorithms and on-road databases

ORTIZ, V.; del Tejo Catala, Omar; Salvador Igual, Ismael; Perez-Cortes, Juan-Carlos (SAGE Publications, 2020-09-28)

[EN] Pedestrian detection is a particular case of object detection that helps to reduce accidents in advanced driver-assistance systems and autonomous vehicles. It is not an easy task because of the variability of the ...
Simple and precise multi-view camera calibration for 3D reconstruction

Pérez Jiménez, Alberto José; Perez-Cortes, Juan-Carlos; Guardiola Garcia, Jose Luis (Elsevier, 2020-12)

[EN] A precise calibration in multi-view camera environments allows to perform accurate 3D object reconstruction, precise tracking of objects and accurate pose estimation. Those techniques are of high value in the industry ...
Sistema de ayuda a la diagnosis y prognosis de diferentes enfermedades aplicando técnicas de Machine Learning

Costa Rosa, Javier (Universitat Politècnica de València, 2018-09-10)

[ES] Este trabajo está centrado en el desarrollo de una herramienta web de ayuda a personal médico, proporcionándoles la posibilidad de realizar distintos tipos de predicciones sobre determinadas enfermedades, incrementando ...