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Title: | Identifying Physical Activity Profiles in COPD Patients Using Topic Models | Authors: | Spina, Gabriele Casale, Pierluigi Albert, Paul S. Alison, Jennifer Garcia-Aymerich, Judith Costello, Richard W. Hernandes, Nidia A. van Gestel, Arnoldus J. R. Leuppi, Joerg D. Mesquita, Rafael Singh, Sally J. Smeenk, Frank W. J. M. Tal-Singer, Ruth Wouters, Emiel F. M. SPRUIT, Martijn A. den Brinker, Albertus C. |
Issue Date: | 2015 | Publisher: | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | Source: | IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS, 19 (5), p. 1567-1576 | Abstract: | With the growing amount of physical activity (PA) measures, the need for methods and algorithms that automatically analyze and interpret unannotated data increases. In this paper, PA is seen as a combination of multimodal constructs that can cooccur in different ways and proportions during the day. The design of a methodology able to integrate and analyze them is discussed, and its operation is illustrated by applying it to a dataset comprising data from COPD patients and healthy subjects acquired in daily life. The method encompasses different stages. The first stage is a completely automated method of labeling low-level multimodal PA measures. The information contained in the PA labels are further structured using topic modeling techniques, a machine learning method from the text processing community. The topic modeling discovers the main themes that pervade a large set of data. In our case, topic models discover PA routines that are active in the assessed days of the subjects under study. Applying the designed algorithm to our data provides new learnings and insights. As expected, the algorithm discovers that PA routines for COPD patients and healthy subjects are substantially different regarding their composition and moments in time in which transitions occur. Furthermore, it shows consistent trends relating to disease severity as measured by standard clinical practice. | Notes: | [Spina, Gabriele; Casale, Pierluigi] Eindhoven Univ Technol, Dept Elect Engn, NL-5612 AZ Eindhoven, Netherlands. [Spina, Gabriele; den Brinker, Albertus C.] Philips Res, Smart Profess Spaces Grp, NL-5656 AE Eindhoven, Netherlands. [Casale, Pierluigi] IMEC, Holst Ctr, NL-5656 AE Eindhoven, Netherlands. [Albert, Paul S.] Aintree Univ Hosp NHS Fdn Trust, Sch Ageing & Chron Dis, Liverpool L9 7AL, Merseyside, England. [Alison, Jennifer] Univ Sydney, Clin & Rehabil Sci, Sydney, NSW 2006, Australia. [Alison, Jennifer] Royal Prince Alfred Hosp, Physiotherapy Dept, Sydney, NSW 2050, Australia. [Garcia-Aymerich, Judith] Ctr Res Environm Epidemiol, Barcelona 08003, Spain. [Garcia-Aymerich, Judith] CIBER Epidemiol & Salud Publ, Barcelona 08036, Spain. [Garcia-Aymerich, Judith] Univ Pompeu Fabra, Barcelona 08002, Spain. [Costello, Richard W.] Beaumont Hosp, Dept Resp Med, Dublin 9, Ireland. [Hernandes, Nidia A.] Univ Estadual Londrina, Dept Physiotherapy, Lab Res Resp Physiotherapy, BR-86057970 Londrina, Brazil. [van Gestel, Arnoldus J. R.] Univ Zurich Hosp, Div Pulm, CH-8091 Zurich, Switzerland. [Leuppi, Joerg D.] Cantonal Hosp Baselland, Med Univ Clin, Liestal, Switzerland. [Leuppi, Joerg D.] Univ Basel, Fac Med, CH-4003 Basel, Switzerland. [Mesquita, Rafael; Spruit, Martijn A.] CIRO, Dept Res & Educ, NL-6085 NM Horn, Netherlands. [Mesquita, Rafael] Maastricht Univ, Med Ctr, Dept Resp Med, NL-6211 LK Maastricht, Netherlands. [Singh, Sally J.] Univ Hosp, Ctr Exercise & Rehabil Sci, NIHR EM CLAHRC, Leicester LE3 9QP, Leics, England. [Smeenk, Frank W. J. M.] Catharina Hosp, Dept Resp Med, NL-5623 EJ Eindhoven, Netherlands. [Tal-Singer, Ruth] GlaxoSmithKline R&D, King Of Prussia, PA 19406 USA. [Spruit, Martijn A.] Hasselt Univ, REVAL BIOMED, B-3900 Diepenbeek, Belgium. | Keywords: | Activity routine; chronic obstructive pulmonary disease (COPD); topic models | Document URI: | http://hdl.handle.net/1942/19751 | ISSN: | 2168-2194 | e-ISSN: | 2168-2208 | DOI: | 10.1109/JBHI.2015.2432033 | ISI #: | 000360791200005 | Rights: | © 2015 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications standards/publications/rights/index.html for more information | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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