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Browsing by Author "Lopez-de-Ipiña, Karmele"

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Alzheimer disease diagnosis based on automatic spontaneous speech analysis

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Solé-Casals, Jordi; Barroso, Nora; Faundez-Zanuy, Marcos; Ecay-Torres, Miriam; Travieso, Carlos M.; Ezeiza, Aitzol; Estanga, A. (SciTePress - Science and Technology Publications, 2012)

Alzheimer’s disease (AD) is the most prevalent form of progressive degenerative dementia and it has a high socio-economic impact in Western countries, therefore is one of the most active research areas today. Its diagnosis ...
Alzheimer Disease Diagnosis based on Automatic Spontaneous Speech Analysis

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Solé-Casals, Jordi; Barroso, Nora; Faundez-Zanuy, Marcos; Ecay-Torres, Miriam; Travieso, Carlos M.; Ezeiza, Aitzol; Estanga, A. (2013)

Alzheimer’s disease (AD) is the most prevalent form of progressive degenerative dementia and it has a high socio-economic impact in Western countries, therefore is one of the most active research areas today. Its diagnosis ...
Cicle de conferències 2012-13. Conferència plenària. Biosystem and Biomedical Engineering: standpoint from a research group in the Basque Country

Lopez-de-Ipiña, Karmele (08-10-2012)
Empirical mode decomposition-based face recognition system

Gallego Jutglà, Esteve; Lopez-de-Ipiña, Karmele; Solé-Casals, Jordi (Springer, 2013)

In this work we explore the multivariate empirical mode decomposition combined with a Neural Network classifier as technique for face recognition tasks. Images are simultaneously decomposed by means of EMD and then the ...
Feature extraction approach based on fractal dimension for spontaneous speech modelling oriented to alzheimer disease diagnosis

Lopez-de-Ipiña, Karmele; Egiraun, Harkaitz; Solé-Casals, Jordi; Ecay-Torres, Miriam; Ezeiza, Aitzol; Barroso, Nora; Martinez-Lage, Pablo; Martinez de Lizardui, Unai (Springer, 2013)

Alzheimer's disease (AD) is the most prevalent form of progressive degenerative dementia; it has a high socio-economic impact in Western countries. The purpose of our project is to contribute to earlier diagnosis of AD and ...
Feature selection for automatic analysis of emotional response based on nonlinear speech modeling suitable for diagnosis of Alzheimer׳s disease

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Travieso, Carlos M.; Solé-Casals, Jordi; Ezeiza, Aitzol; Faundez-Zanuy, Marcos; Beitia, Blanca; Calvo, Pilar (Elsevier, 2015)

Alzheimer׳s disease (AD) is the most common type of dementia among the elderly. This work is part of a larger study that aims to identify novel technologies and biomarkers or features for the early detection of AD and its ...
Feature selection for spontaneous speech analysis to aid in Alzheimer’s disease diagnosis: A fractal dimension approach

Lopez-de-Ipiña, Karmele; Solé-Casals, Jordi; Egiraun, Harkaitz; Alonso, Jesús B.; Travieso, Carlos M.; Ezeiza, Aitzol; Barroso, Nora; Ecay-Torres, Miriam; Martinez-Lage, Pablo; Beitia, Blanca (Elsevier, 2015)

Alzheimer’s disease (AD) is the most prevalent form of degenerative dementia; it has a high socio-economic impact in Westerncountries. The purpose of our project is to contribute to earlier diagnosis of AD and allow better ...
Inverting Monotonic Nonlinearities by Entropy Maximization

Solé-Casals, Jordi; Lopez-de-Ipiña, Karmele; Caiafa, Cesar F. (Plos One, 2016)

This paper proposes a new method for blind inversion of a monotonic nonlinear map applied to a sum of random variables. Such kinds of mixtures of random variables are found in source separation and Wiener system inversion ...
New Approaches for Alzheimer’s Disease Diagnosis Based on Automatic Spontaneous Speech Analysis and Emotional Temperature

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Barroso, Nora; Faundez-Zanuy, Marcos; Ecay-Torres, Miriam; Solé-Casals, Jordi; Travieso, Carlos M.; Estanga, A.; Ezeiza, Aitzol (Springer, 2012)

Alzheimer Disease (AD) is one of the most common dementia and their socio-economic relevance is growing. Its diagnosis is sometimes made by excluding other dementias, but definitive confirmation must await the ...
On Automatic Diagnosis of Alzheimer's Disease based on Spontaneous Speech Analysis and Emotional Temperature

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Solé-Casals, Jordi; Barroso, Nora; Henriquez, P.; Faundez-Zanuy, Marcos; Travieso, Carlos M.; Ecay-Torres, Miriam; Martinez-Lage, Pablo; Egiraun, Harkaitz (Springer, 2013)

Alzheimer's disease is the most prevalent form of progressive degenerative dementia; it has a high socio-economic impact in Western countries. Therefore it is one of the most active research areas today. Alzheimer's is ...
On the alzheimer’s disease diagnosis: Automatic spontaneous speech analysis

Lopez-de-Ipiña, Karmele; Solé-Casals, Jordi; Alonso, Jesús B.; Travieso, Carlos M.; Ecay-Torres, Miriam; Martinez-Lage, Pablo (Springer, 2014)

Alzheimer’s disease (AD) is the most prevalent form of progressive degenerative dementia and it has a high socio-economic impact in Western countries therefore is one of the most active research areas today. Its diagnosis ...
On the Selection of Non-Invasive Methods Based on Speech Analysis Oriented to Automatic Alzheimer Disease Diagnosis

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Travieso, Carlos M.; Solé-Casals, Jordi; Egiraun, Harkaitz; Faundez-Zanuy, Marcos; Ezeiza, Aitzol; Barroso, Nora; Ecay-Torres, Miriam; Martinez-Lage, Pablo; Martinez de Lizardui, Unai (MDPI, 2013)

The work presented here is part of a larger study to identify novel technologies and biomarkers for early Alzheimer disease (AD) detection and it focuses on evaluating the suitability of a new approach for early AD ...
Online drawings for dementia diagnose: in-air and pressure information analysis

Faundez-Zanuy, Marcos; Sesa Nogueras, Enric; Roure Alcobé, Josep; Garré Olmo, Josep; Lopez-de-Ipiña, Karmele; Solé-Casals, Jordi (Springer, 2014)

In this paper we present experimental results comparing on-line drawings for control population (left and right hand) as well as Alzheimer disease patients. The drawings have been acquired by means of a digitizing tablet, ...
Selection of Entropy Based Features for Automatic Analysis of Essential Tremor

Lopez-de-Ipiña, Karmele; Solé-Casals, Jordi; Faundez-Zanuy, Marcos; Calvo, Pilar; Sesa Nogueras, Enric; Martinez de Lizardui, Unai; De La Riva, Patricia; Marti-Masso, Jose F.; Beitia, Blanca; Bergareche, Alberto (MDPI, 2016)

Biomedical systems produce biosignals that arise from interaction mechanisms. In a general form, those mechanisms occur across multiple scales, both spatial and temporal, and contain linear and non-linear information. ...
Spontaneous Speech and Emotional Response modeling based on One-class classifier oriented to Alzheimer Disease diagnosis

Lopez-de-Ipiña, Karmele; Alonso, Jesús B.; Barroso, Nora; Solé-Casals, Jordi; Ecay-Torres, Miriam; Martinez-Lage, Pablo; Zelarain, F.; Egiraun, Harkaitz; Travieso, Carlos M. (Springer, 2014)

The purpose of our project is to contribute to earlier diagnosis of AD and better estimates of its severity by using automatic analysis performed through new biomarkers extracted from non-invasive intelligent methods. The ...

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Browsing by Author "Lopez-de-Ipiña, Karmele"

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