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K. Lopez de Ipina
University of the Basque Country
21Publications
5H-index
66Citations
Publications 21
Newest
#1K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
#2M. Iturrate (UPV/EHU: University of the Basque Country)H-Index: 1
Last.Jordi Solé-Casals (UVic-UCC: University of Vic)H-Index: 14
view all 12 authors...
Biomedical systems are regulated by interacting mechanisms that operate across multiple spatial and temporal scales and produce biosignals with linear and non-linear information inside. In this sense entropy could provide a useful measure about disorder in the system, lack of information in time-series and/or irregularity of the signals. Essential tremor (ET) is the most common movement disorder, being 20 times more common than Parkinson's disease, and 50–70% of this disease cases are estimated ...
5 CitationsSource
#1M.I Carreno (UPV/EHU: University of the Basque Country)H-Index: 1
#2K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
Last.Xavier Leinekugel (French Institute of Health and Medical Research)H-Index: 21
view all 6 authors...
Animal behavior is usually assessed by categorical classification. Here we used an alternative approach, based on the global quantification of video and pressure sensor derived signals, in order to characterize normal and pathological mouse behavior. Freely moving mice were recorded for 1h in a novel open field environment. In this preliminary study we have tested the use of permutation entropy applied to spatial information (Cartesian and polar coordinates of instantaneous position, provided by...
3 CitationsSource
#1K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
#2Carmen Hernández (UPV/EHU: University of the Basque Country)H-Index: 10
Last.Aitzol EzeizaH-Index: 10
view all 4 authors...
It Kokoro means, “heart” in Japanese. It also means “mind”, “soul”, “sensibility”, “wishes” and “sentiments”. All of these belong to the wide range of emotions and concepts that define the complex human condition. To be influenced by emotions is intrinsic to a human being. Emotions arise from having to face up to a changing and partially unpredictable world. This makes it necessary for all intelligent systems (whether natural or artificial) to develop emotions to survive [2]. Emotions are repres...
Source
#1Nora BarrosoH-Index: 7
#2K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
Last.Carmen Hernández (UPV/EHU: University of the Basque Country)H-Index: 10
view all 4 authors...
One of the goals of speech recognition security (SRS) systems could be to extract the subject of the discourse in order to detect possible risks. Thus, the development of appropriated Speech Semantic Recognition systems is one of the challenges the scientific community has. Our system is an Information Retrieval system that provides information about the contents of audio in Basque, Spanish, and French. Since the resources available for Basque in general, and for this task in particular, were ve...
Source
#1Nora BarrosoH-Index: 7
#2K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
Last.Carmen Hernández (UPV/EHU: University of the Basque Country)H-Index: 10
view all 4 authors...
It is significant to highlight that the demand of multilingual systems in human-computer interfaces is growing and automatic language identification (LID) is becoming increasingly important for the speech community as a fundamental tool to enrich theses systems. Research in this field has been active for several years. LID becomes also a useful resource in Multilingual Security System (MSS) providing methodologies to improve the robustness and the effectiveness of these systems. The main goal of...
Source
#1Nora BarrosoH-Index: 7
#2K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
Last.Aitzol Ezeiza (UPV/EHU: University of the Basque Country)H-Index: 10
view all 4 authors...
One of the goals of Speech Recognition Security (SRS) systems is to have appropriately tools to recognize speech password spoken based on elements such as words, sub-word or speakers. The main goal of the present work is to design robust ASR systems based on alternative ways to the classical evaluation rates, which often depend on the vocabulary of the task and on the language resources available. The drawback of this approach is that it is not straightforward that a system with a slightly lower...
Source
#1Nora BarrosoH-Index: 7
#2K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
Last.Aitzol Ezeiza (UPV/EHU: University of the Basque Country)H-Index: 10
view all 4 authors...
The long term goal of our project is the development of robust Security Speech Recognition systems are based on Automatic Speech Recognition methodologies. The development of ASR systems involves dealing with issues such as Acoustic Phonetic Decoding (APD), Language Modelling (LM) or the development of appropriated Language Resources (LR). Thus these applications are generally very language-dependent and require very large resources. This work is focused to the selection of appropriated sub-word...
Source
Jun 23, 2010 in HAIS (Hybrid Artificial Intelligence Systems)
#1K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
#2M. C. Hernández (UPV/EHU: University of the Basque Country)H-Index: 1
Last.C. VaqueroH-Index: 4
view all 4 authors...
A musculoskeletal disorder is a condition of the musculoskeletal system, which consists in part of it being injured continuously over time Shoulder disorders are one of the most common musculoskeletal cases attended in primary health care services Shoulder disorders cause pain and limit the ability to perform many routine activities, affecting about 15-25 % of the general population Several clinical tests have been described to aid diagnosis of shoulder disorders However, the current literature ...
Source
Jun 23, 2010 in HAIS (Hybrid Artificial Intelligence Systems)
#1R. Martínez (Grupo México)H-Index: 1
#2K. Lopez de Ipina (Grupo México)H-Index: 5
Last.Nagore Asla (UPV/EHU: University of the Basque Country)H-Index: 4
view all 4 authors...
People with intellectual disabilities and elderly need physical and intellectual support to ensuring independent living This is one of the main issues in applying Information and Communication Technology (ICT) into Assistive Technology field In this sense the development of appropriated Intelligent Systems (ISs) offers new perspectives to this community In our project a new IS system (LAGUNTXO) which adds user affective information oriented to people with intellectual disabilities has been devel...
1 CitationsSource
Jun 23, 2010 in HAIS (Hybrid Artificial Intelligence Systems)
#1Nora BarrosoH-Index: 7
#2K. Lopez de Ipina (UPV/EHU: University of the Basque Country)H-Index: 5
Last.Unai SusperregiH-Index: 2
view all 5 authors...
The development of Multilingual Large Vocabulary Continuous Speech Recognition systems involves issues as: Language Identification, Acoustic-Phonetic Decoding, Language Modelling or the development of appropriated Language Resources The interest on Multilingual Systems arouses because there are three official languages in the Basque Country (Basque, Spanish, and French), and there is much linguistic interaction among them, even if Basque has very different roots than the other two languages This...
3 CitationsSource
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