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Authors: Ricardo Escalona ; Daniel Herrera and Miguel Figueroa

Affiliation: Universidad de Concepcion, Chile

Keyword(s): Blind source-separation, Independent component analysis, InfoMax, Embedded signal processing, Fieldprogrammable gate arrays.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Instruments and Devices ; Embedded Signal Processing ; Low-Power Design ; Microelectronics

Abstract: We present a reconfigurable array which performs blind source separation on a range of field-programmable gate array (FPGA) devices. Our array uses independent component analysis (ICA) with the InfoMax algorithm to separate a mixture of signals without an external reference. We describe two configurations of the array, representing distinct points in the design space. Our experimental results show a performance improvement of more than one order of magnitude over an optimized software implementation of the algorithm on a computer, with a power consumption of just 100mW. Our array successfully separates a fetal electrocardiogram (ECG) mixture into the source signals of mother and fetus, enabling medical analysis on the resulting independent components.

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Paper citation in several formats:
Escalona, R.; Herrera, D. and Figueroa, M. (2009). A RECONFIGURABLE ARRAY FOR BLIND SOURCE-SEPARATION ON AN FPGA. In Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2009) - BIODEVICES; ISBN 978-989-8111- 64-7; ISSN 2184-4305, SciTePress, pages 262-267. DOI: 10.5220/0001551902620267

@conference{biodevices09,
author={Ricardo Escalona. and Daniel Herrera. and Miguel Figueroa.},
title={A RECONFIGURABLE ARRAY FOR BLIND SOURCE-SEPARATION ON AN FPGA},
booktitle={Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2009) - BIODEVICES},
year={2009},
pages={262-267},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001551902620267},
isbn={978-989-8111- 64-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2009) - BIODEVICES
TI - A RECONFIGURABLE ARRAY FOR BLIND SOURCE-SEPARATION ON AN FPGA
SN - 978-989-8111- 64-7
IS - 2184-4305
AU - Escalona, R.
AU - Herrera, D.
AU - Figueroa, M.
PY - 2009
SP - 262
EP - 267
DO - 10.5220/0001551902620267
PB - SciTePress

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