Real Time Hand Movement Trajectory Tracking for Enhancing Dementia Screening in Ageing Deaf Signers of British Sign Language

Liang, X., Kapetanios, E., Angelopoulou, A. and Woll, B. 2019. Real Time Hand Movement Trajectory Tracking for Enhancing Dementia Screening in Ageing Deaf Signers of British Sign Language . Cross Domain Conference for Machine Learning and Knowledge Extraction. University of Kent, Canterbury, UK 26 - 28 Aug 2019 Springer. doi:10.1007/978-3-030-29726-8_24

TitleReal Time Hand Movement Trajectory Tracking for Enhancing Dementia Screening in Ageing Deaf Signers of British Sign Language
AuthorsLiang, X., Kapetanios, E., Angelopoulou, A. and Woll, B.
TypeConference paper
Abstract

Real time hand movement trajectory tracking based on machine learning approaches may assist the early identification of dementia in ageing Deaf individuals who are users of British Sign Language (BSL), since there are few clinicians with appropriate communication skills, and a shortage of sign language interpreters. Unlike other computer vision systems used in dementia stage assessment such as RGB-D video with the aid of depth camera, activities of daily living (ADL) monitored by information and communication technologies (ICT) facilities, or X-Ray, computed tomography (CT), and magnetic resonance imaging (MRI) images fed to machine learning algorithms, the system developed here focuses on analysing the sign language space envelope(sign trajectories/depth/speed) and facial expression of deaf individuals, using normal 2D videos. In this work, we are interested in providing a more accurate segmentation of objects of interest in relation to the background, so that accurate real-time hand trajectories (path of the trajectory and speed) can be achieved. The paper presents and evaluates two types of hand movement trajectory models. In the first model, the hand sign trajectory is tracked by implementing skin colour segmentation. In the second model, the hand sign trajectory is tracked using Part Afinity Fields based on the OpenPose Skeleton Model [1, 2]. Comparisons of results between the two different models demonstrate that the second model provides enhanced improvements in terms of tracking accuracy and robustness of tracking. The pattern differences in facial and trajectory motion data achieved from the presented models will be beneficial not only for screening of deaf individuals for dementia, but also for assessment of other acquired neurological impairments associated with motor changes, for example, stroke and Parkinsons disease.

KeywordsSegmentation, Hand Tracking, OpenPose, British Sign Language, Dementia, Time-series Data Analytics, Artificial Neural Networks, Machine Learning
Year2019
ConferenceCross Domain Conference for Machine Learning and Knowledge Extraction
PublisherSpringer
Publication dates
Published23 Aug 2019
JournalLecture Notes in Computer Science
Journal citation11713, pp. 377-394
ISSN0302-9743
Book titleMachine Learning and Knowledge Extraction. CD-MAKE 2019
Book editorHolzinger A.
Kieseberg P.
Tjoa A.
Weippl E.
Digital Object Identifier (DOI)doi:10.1007/978-3-030-29726-8_24

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Schilling, J., Gerstl, P., Kapetanios, E., Lee, C.Y. and Bertel, O. 2003. Assessment of indications in interventional cardiology: appropriateness and necessity of coronary angiography and revascularization. American Journal of Medical Quality. 18 (4), pp. 155-163. doi:10.1177/106286060301800405

Simplifying syntactic and semantic parsing of NL-based queries in advanced application domains
Kapetanios, E., Baer, D. and Groenewoud, P. 2003. Simplifying syntactic and semantic parsing of NL-based queries in advanced application domains. in: Dusterhoft, A. and Thalheim, B. (ed.) Natural Language Processing and Information Systems, 8th International Conference on Applications of Natural Language to Information Systems, June 2003, Burg (Spreewald), Germany Springer. pp. 127-140

A dynamic model for delivering distance learning material via interactive television
Angelopoulou, A., Thomas, S., Gallahan, P. and Psarrou, A. 2003. A dynamic model for delivering distance learning material via interactive television. Second International Conference on Multimedia and ICTs in Education. Badajoz, Spain 03-06 Dec 2003

Query construction through meaningful suggestions of terms
Kapetanios, E. and Groenewoud, P. 2002. Query construction through meaningful suggestions of terms. in: Andreasen, T. (ed.) FQAS '02: Proceedings of the 5th International Conference on Flexible Query Answering Systems Berlin, Germany Springer.

The design and implementation of a meaning driven data query language
Kapetanios, E., Baer, D., Groenewoud, P. and Mueller, P. 2002. The design and implementation of a meaning driven data query language. in: Proceedings of the 14th International Conference on Scientific and Statistical Database Management, July 24-26, 2002, Edinburgh, Scotland, UK. USA IEEE . pp. 20-23

A semantically advanced querying methodology for medical knowledge and decision support
Kapetanios, E. 2002. A semantically advanced querying methodology for medical knowledge and decision support. in: Grutter, R. (ed.) Knowledge media in healthcare: opportunities and challenges Hershey, USA Idea Group Publishing. pp. 96-130

A meaning driven querying methodology: end user oriented querying
Kapetanios, E. 2001. A meaning driven querying methodology: end user oriented querying. PhD thesis Swiss Federal Institute of Technology (ETH), Zurich Department of Computer Science

A semantics based interactive query formulation technique
Baer, D., Groenewoud, P., Kapetanios, E. and Keuser, S. 2001. A semantics based interactive query formulation technique. in: Proceedings of the Second International Workshop on User Interfaces to Data Intensive Systems (UIDIS'01) USA IEEE . pp. 43-49

An extensible movie system interface for information-rich television
Angelopoulou, A., Psarrou, A. and Parapadakis, D. 2001. An extensible movie system interface for information-rich television. in: Graham, P., Maheswaran, M. and Eskicioglu, M.R. (ed.) Proceedings of the International Conference on Internet Computing, IC'2001, Las Vegas, Nevada, USA, June 25-28, 2001 USA CSREA Press.

Appropriateness and necessity research on the internet: using a "second opinion system"
Schilling, J., Faisst, K., Kapetanios, E., Wyss, P., Norrie, M.C. and Gutzwiller, F. 2000. Appropriateness and necessity research on the internet: using a "second opinion system". Methods of Information in Medicine. 39 (3), pp. 233-237.

MDDQL: a visual query language for metadata driven querying
Kapetanios, E., Norrie, M.C. and Fuhrer-Stakic, D. 2000. MDDQL: a visual query language for metadata driven querying. in: Arisawa, H. and Catarci, T. (ed.) Advances in Visual Information Management: proceedings of the Fifth Working Conference on Visual Database Systems (VDB5), Fukuoka, Japan, May 10-12, 2000 London, UK Kluwer Academic Publishers.

An information states blackboard as an intelligent querying interface for snow and avalanche data
Kapetanios, E., Norrie, M.C. and Frei, A. 1999. An information states blackboard as an intelligent querying interface for snow and avalanche data. in: Paton, N.W. and Griffiths, T. (ed.) User Interfaces to Data Intensive Systems: proceedings USA IEEE . pp. 32-41

Context based querying of scientific data: changing querying paradigms?
Kapetanios, E., Norrie, M.C. and Brabec, B. 1999. Context based querying of scientific data: changing querying paradigms? in: Miller, C. and Musick, R. (ed.) Third IEEE Metadata Conference Proceedings, 06-07 April 1999, Bethesda, MD IEEE .

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Under embargo until 08 Jul 2020

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