Listar INIT_Articles por autoría "c97b02f0-e84d-4eae-954b-71bb7488d068"
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A Generative Method for Indoor Localization Using Wi-Fi Fingerprinting
Belmonte-Fernández, Óscar; Sansano-Sansano, Emilio; Caballer Miedes, Antonio; Montoliu Colás, Raul; García-Vidal, Rubén; Gascó Compte, Arturo MDPI (2021-03-30)Indoor localization is an enabling technology for pervasive and mobile computing applications. Although different technologies have been proposed for indoor localization, Wi-Fi fingerprinting is one of the most used ... -
A radiosity-based method to avoid calibration for Indoor Positioning Systems
Belmonte-Fernández, Óscar; Montoliu Colás, Raul; Torres-Sospedra, Joaquín; Sansano-Sansano, Emilio; Chia-Aguilar, Daniel Elsevier (2018-09-01)Due to the widespread use of mobile devices, services based on the users current indoor location are growing in significance. Such services are developed in the Machine Learning and Experst Systems realm, and ranges from ... -
A realistic evaluation of indoor positioning systems based on Wi-Fi fingerprinting: The 2015 EvAAL–ETRI competition
Torres-Sospedra, Joaquín; Moreira, Adriano; Knauth, Stefan; Berkvens, Rafael; Montoliu Colás, Raul; Belmonte-Fernández, Óscar; Trilles, Sergio; Nicolau, Maria João; Meneses, Filipe; Costa, António; Koukofikis, Athanasios; Weyn, Maarten; Peremans, Herbert IOS press (2017-02)This paper presents results from comparing different Wi-Fi fingerprinting algorithms on the same private dataset. The algorithms where realized by independent teams in the frame of the off-site track of the EvAAL–ETRI ... -
A study of deep neural networks for human activity recognition
Sansano-Sansano, Emilio; Montoliu Colás, Raul; Belmonte-Fernández, Óscar Wiley (2020)Human activity recognition and deep learning are two fields that have attracted attention in recent years. The former due to its relevance in many application domains, such as ambient assisted living or health monitoring, ... -
Accuracy of a single position estimate for kNN-based fingerprinting indoor positioning applying error propagation theory
Perez-Navarro, Antoni; Montoliu Colás, Raul; Sansano-Sansano, Emilio; Martínez Garcia, marina; Femenia, Ruben; Torres-Sospedra, Joaquín IEEE (2023-06-23)Indoor Positioning Systems usually consider the average positioning error over a set of evaluation samples, or a quartile of that value, as the global error. However, they do not provide a metric for the uncertainty for ... -
An Indoor Positioning System Based on Wearables for Ambient-Assisted Living
Belmonte-Fernández, Óscar; Puertas-Cabedo, Adrian; Torres-Sospedra, Joaquín; Montoliu Colás, Raul; Trilles, Sergio MDPI (2016)The urban population is growing at such a rate that by 2050 it is estimated that 84% of the world’s population will live in cities, with flats being the most common living place. Moreover, WiFi technology is present in ... -
An occupancy simulator for a smart parking system: Developmental design and experimental considerations
Mendoza-Silva, Germán Martín; Gould, Michael; Montoliu Colás, Raul; Torres-Sospedra, Joaquín; Huerta, Joaquin MDPI (2019-05)This paper presents the development of a parking occupancy simulator to support a smart parking system. The simulator uses an agent-based approach to model drivers who follow activity plans and who may or may not use the ... -
Anomaly Detection in Activities of Daily Living with Linear Drift
Belmonte-Fernández, Óscar; Caballer Miedes, Antonio; Chinellato, Eris; Montoliu Colás, Raul; Sansano-Sansano, Emilio; García-Vidal, Rubén Springer (2020-07-01)Anomalyq detection in Activities of Daily Living (ADL) plays an important role in e-health applications. An abrupt change in the ADL performed by a subject might indicate that she/he needs some help. Another important issue ... -
Assisting therapists in assessing small animal phobias by computer analysis of video-recorded sessions
Castelló, Vicente; Traver Roig, Vicente Javier; Serrano-Zárate, Berenice; Montoliu Colás, Raul; Botella, Cristina Springer (2017)Behavioural Avoidance Tests (BATs) are commonly used for assessing phobias. While easy to deploy, these tests have some practical difficulties. For instance, therapists have to make distance estimations that are hard to ... -
ATM-based analysis and recognition of handball team activities
Montoliu Colás, Raul; Martín Félez, Raúl; Torres-Sospedra, Joaquín; Rodríguez Pérez, Sergio Elsevier (2015)In this paper, a new methodology based on the Author Topic Model (ATM) method is presented to perform team activity recognition and analysis in handball videos. Instead of using players׳ trajectories we just rely on low ... -
Balance hídrico en jugadoras amateur de baloncesto: seguimiento en 10 partidos
Batalla Gavaldà, Abraham; Bofill Ródenas, Ana Maria; Corbi Soler, Francisco; Montoliu Colás, Raul; Planas-Anzano, Antoni Fundación Española de Dietistas-Nutricionistas (FEDN) (2016)Introducción: El objetivo del presente estudio fue analizar la evolución de las necesidades hídricas de un equipo de baloncesto femenino amateur, en situación de partido y durante toda una fase eliminatoria, a partir de ... -
BLE-GSpeed: A new BLE- based dataset to estimate user gait speed
Sansano-Sansano, Emilio; Aranda Polo, Fernando Jesús; Montoliu Colás, Raul; Alvarez, Fernando J. MDPI (2020-12-07)To estimate the user gait speed can be crucial in many topics, such as health care systems, since the presence of difficulties in walking is a core indicator of health and function in aging and disease. Methods for ... -
Comparing the Performance of Indoor Localization Systems through the EvAAL Framework
Potortì, Francesco; Park, Sangjoon; Jimenez Ruiz, Antonio Ramon; Barsocchi, Paolo; GIROLAMI, MICHELE; Crivello, Antonino; Lee, So-Yeon; Lim, Jae Hyun; Torres-Sospedra, Joaquín; Seco, Fernando; Montoliu Colás, Raul; Mendoza-Silva, Germán Martín; María del Carmen, Pérez Rubio; Cristina, Losada Gutiérrez; Espinosa, Felipe; Macias-Guarasa, Javier MDPI (2017)In recent years, indoor localization systems have been the object of significant research activity and of growing interest for their great expected social impact and their impressive business potential. Application areas ... -
Comprehensive analysis of distance and similarity measures for Wi-Fi fingerprinting indoor positioning systems
Torres-Sospedra, Joaquín; Montoliu Colás, Raul; Trilles, Sergio; Belmonte-Fernández, Óscar; Huerta, Joaquin Elsevier (2015)Recent advances in indoor positioning systems led to a business interest in those applications and services where a precise localization is crucial. Wi-Fi fingerprinting based on machine learning and expert systems are ... -
Continuous Non-Invasive Assessment of Gait Speed Through Bluetooth Low Energy
Sansano-Sansano, Emilio; Montoliu Colás, Raul; Belmonte-Fernández, Óscar; Aranda Polo, Fernando Jesús; Alvarez, Fernando J. IEEE (2022-04-22)In the near future, as a consequence of the increasing percentage of elder people with respect to the total population, developed countries will face significant stress on their healthcare systems. The onset of some diseases ... -
Deployment of an open sensorized platform in a smart city context
Trilles, Sergio; Calia, Andrea; Belmonte-Fernández, Óscar; Torres-Sospedra, Joaquín; Montoliu Colás, Raul; Huerta, Joaquin Elsevier (2017-11)The race to achieve smart cities is producing a continuous effort to adapt new developments and knowledge, for administrations and citizens. Information and Communications Technology are called on to be one of the key ... -
Discovering places of interest in everyday life from smartphone data
Montoliu Colás, Raul; Blom, Jan; Gatica-Perez, Daniel Springer (2013)In this paper, a new framework to discover places-of-interest from multimodal mobile phone data is presented. Mobile phones have been used as sensors to obtain location information from users’ real lives. A place-of-interest ... -
Enhancing Integrated Indoor/Outdoor Mobility in a Smart Campus
Torres-Sospedra, Joaquín; Avariento, Joan; Rambla Risueño, David; Montoliu Colás, Raul; Casteleyn, Sven; Benedito-Bordonau, Mauri; Gould, Michael; Huerta, Joaquin Taylor & Francis (2015-11)A Smart City relies on six key factors: Smart Governance, Smart People, Smart Economy, Smart Environment, Smart Living and Smart Mobility. This paper focuses on Smart Mobility by improving one of its key components: ... -
Equivalence of chatbot and paper-and-pencil versions of the De Jong Gierveld loneliness scale
Caballer Miedes, Antonio; Belmonte-Fernández, Óscar; Castillo, Andrea; Gascó, Arturo; Montoliu Colás, Raul Current Psychology (2020-10-13)Technological progress provides health professionals with an excellent opportunity to take advantage of these developments and contribute to the development of efficient ways of diagnosing, monitoring, treating and assisting ... -
In-home monitoring system based on WiFi fingerprints for ambient assisted living
Torres-Sospedra, Joaquín; Belmonte-Fernández, Óscar; Montoliu Colás, Raul; Trilles, Sergio; Calia, Andrea IOS (2017-08)This paper presents an in-home monitoring system based on WiFi fingerprints for Ambient Assisted Living. WiFi fingerprints are used to continuously locate a patient at the different rooms in her/his home. The experiments ...