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BioPatRec: A modular research platform for the control of artificial limbs based on pattern recognition algorithms

Max Jair Ortiz-Catalan (Institutionen för signaler och system, Medicinska signaler och system) ; Rickard Brånemark ; Bo Håkansson (Institutionen för signaler och system, Medicinska signaler och system)
Source Code for Biology and Medicine (1751-0473). Vol. 8 (2013), p. Article number 11.
[Artikel, refereegranskad vetenskaplig]

Background Processing and pattern recognition of myoelectric signals have been at the core of prosthetic control research in the last decade. Although most studies agree on reporting the accuracy of predicting predefined movements, there is a significant amount of study-dependent variables that make high-resolution inter-study comparison practically impossible. As an effort to provide a common research platform for the development and evaluation of algorithms in prosthetic control, we introduce BioPatRec as open source software. BioPatRec allows a seamless implementation of a variety of algorithms in the fields of 1) Signal processing; 2) Feature selection and extraction; 3) Pattern recognition; and, 4) Real-time control. Furthermore, since the platform is highly modular and customizable, researchers from different fields can seamlessly benchmark their algorithms by applying them in prosthetic control, without necessarily knowing how to obtain and process bioelectric signals, or how to produce and evaluate physically meaningful outputs. Results BioPatRec is demonstrated in this study by the implementation of a relatively new pattern recognition algorithm, namely Regulatory Feedback Networks (RFN). RFN produced comparable results to those of more sophisticated classifiers such as Linear Discriminant Analysis and Multi-Layer Perceptron. BioPatRec is released with these 3 fundamentally different classifiers, as well as all the necessary routines for the myoelectric control of a virtual hand; from data acquisition to real-time evaluations. All the required instructions for use and development are provided in the online project hosting platform, which includes issue tracking and an extensive "wiki". This transparent implementation aims to facilitate collaboration and speed up utilization. Moreover, BioPatRec provides a publicly available repository of myoelectric signals that allow algorithms benchmarking on common data sets. This is particularly useful for researchers lacking of data acquisition hardware, or with limited access to patients. Conclusions BioPatRec has been made openly and freely available with the hope to accelerate, through the community contributions, the development of better algorithms that can potentially improve the patient's quality of life. It is currently used in 3 different continents and by researchers of different disciplines, thus proving to be a useful tool for development and collaboration.

Nyckelord: Prosthetic control, Pattern recognition, Artificial limbs, Myoelectric signals, EMG, Regulatory feedback networks

Denna post skapades 2013-04-25. Senast ändrad 2014-09-02.
CPL Pubid: 176124


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Institutioner (Chalmers)

Institutionen för signaler och system, Medicinska signaler och system
Institutionen för kliniska vetenskaper, sektionen för anestesi, biomaterial och ortopedi (GU)


Klinisk medicin

Chalmers infrastruktur

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Denna publikation ingår i:

Towards Natural Control of Artificial Limbs