Calibration of a multichannel MEG system based on the Signal Space Separation method

Physics in Medicine and Biology

Volumn 57, Issue 15, 2012, Pages 4855-4870

  Chella, F ^a   Zappasodi, F ^a   Marzetti, L ^a   Penna, S Della ^a   Pizzella, V ^a  

^a UNIVERSITY OF CHIETI   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ARRAY CALIBRATION; CALIBRATION PROCESS; CHANNEL SENSITIVITY; LARGE-SCALE OPTIMIZATION; MAGNETIC SOURCES; MULTI-CHANNEL; OBJECTIVE FUNCTIONS; ORIGINAL SYSTEMS; PRINCIPAL ANGLES; SENSOR CALIBRATION; SENSOR GEOMETRIES; SIGNAL SPACE SEPARATION METHOD; SIGNAL SPACE SEPARATION METHODS; VECTOR SIGNALS;

SENSORS;

CALIBRATION;

ALGORITHM; ARTICLE; CALIBRATION; IMAGE QUALITY; INSTRUMENTATION; MAGNETOENCEPHALOGRAPHY; METHODOLOGY; REPRODUCIBILITY; SIGNAL PROCESSING; THEORETICAL MODEL;

ALGORITHMS; CALIBRATION; MAGNETOENCEPHALOGRAPHY; MODELS, THEORETICAL; PHANTOMS, IMAGING; REPRODUCIBILITY OF RESULTS; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 84863885137     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/57/15/4855     Document Type: Article

References (18)

1. Bruno A C and Costa Ribeiro P 1991 Spatial Fourier calibration method for multichannel SQUID magnetometers Rev. Sci. Instrum. 62 1005-9
2. Del Gratta C, Pizzella V, Tecchio F and Romani G L 2001 Magnetoencephalography: a non invasive brain imaging method with 1 ms time resolution Rep. Prog. Phys. 64 1759-814
3. Della Penna S, Del Gratta C, Granata C, Pasquarelli A, Pizzella V, Rossi R, Russo M, Torquati K and Ernè N S 2000 Biomagnetic systems for clinical use Phil. Mag. B 80 937-48 (Pubitemid 35388315)
4. Foley C P, Keene M N, ter Brake H J M and Vrba J 2004 Squid system issues The SQUID Handbook ed J Clarke and A I Braginski (Weinheim: Wiley-VCH)
5. Golub G H and Van Loan C F 1996 Matrix Computation 3rd edn (Baltimore, MD: John Hopkins University Press) p 603
6. Granata C, Vettoliere A and Russo M 2006 Improved superconducting quantum interference device magnetometer for low cross talk operation Appl. Phys. Lett. 88 212506 (Pubitemid 43814829)
7. Gunawan H, Neswan O and Setya-Budhi W 2005 A formula for angles between subspaces of inner product spaces Contrib. Algebra Geom. 46 311-320 (Pubitemid 43088299)
8. Hamalainen M, Hari R, Ilmoniemi R J, Knuutila J and Lounasmaa O V 1993 Magnetoencephalography: theory, instrumentation and application to noninvasive studies of the working human brain Rev. Mod. Phys. 65 413-97
9. Kraus R H Jr, Matlachov A, Volegov P, Espy M, Maharajh K and Flynn E R 2001 Source localization precision of the superconducting imaging-surface MEG system Biomed. Tech. 46 38-40
10. Liu D C and Nocedal J 1989 On the limited memory BFGS method for large scale optimization Math. Program. 45 503-28 (Pubitemid 20660315)
11. Naddeo A, Della Penna S, Nappi C, Vardaci E and Pizzella V 2002 Sampling and reconstruction schemes for biomagnetic sensor arrays Phys. Med. Biol. 47 N239-48 (Pubitemid 35174232)
12. Nurminen J, Taulu S and Okada Y 2008 Effects of sensor calibration, balancing and parametrization on the signal space separation method Phys. Med. Biol. 53 1975-87 (Pubitemid 351596100)
13. Pasquarelli A, De Melis M, Marzetti L, Muller H P and Erné S N 2004 Calibration of a vector-MEG helmet system Neurol. Clin. Neurophysiol. 2004 94 PMID: 16012682
14. Pizzella V, Della Penna S, Del Gratta C and Romani G L 2001 SQUID systems for biomagnetic imaging Supercond. Sci. Technol. 14 R79-114
15. Romani G L, Williamson S J and Kaufman L 1982 Biomagnetic instrumentation Rev. Sci. Instrum. 53 1815-45 (Pubitemid 13193812)
16. Taulu S, Kajola M and Simola J 2004 Suppression of interference and artifacts by the signal space separation method Brain Topogr. 16 269-75 (Pubitemid 38988009)
17. Taulu S and Kajola M 2005 Presentation of electromagnetic multichannel data: the signal space separation method J. Appl. Phys. 97 124905 (Pubitemid 40925375)
18. Walter S F and Lehmann L 2010 Algorithmic differentiation of linear algebra functions with application in optimum experimental design (Extended Version) arXiv:1001.1654v2