Magnetic induction tomography: Evaluation of the point spread function and analysis of resolution and image distortion

Physiological Measurement

Volumn 28, Issue 7, 2007, Pages

  Merwa, Robert ^a   Scharfetter, Hermann ^a  

^a GRAZ UNIVERSITY OF TECHNOLOGY   (Austria)

Author keywords

Inverse problem; Magnetic induction tomography; Point spread function; Regularization; Resolution

Indexed keywords

ELECTRIC IMPEDANCE TOMOGRAPHY; FUNCTION EVALUATION; IMAGE QUALITY; IMAGE RESOLUTION; INVERSE PROBLEMS; LOCATION; MAGNETISM; OBJECT DETECTION; QUALITY CONTROL;

ELECTRICAL IMPE DANCE TOMOGRAPHY (EIT); IMAGE DISTORTIONS; IMAGING MODALITY; INHOMOGENEITIES; INVERSE PROBLEM; LOW RESOLUTION IMAGING; MAGNETIC INDUCTION TOMOGRAPHY; POINT-SPREAD FUNCTION; REGULARISATION; RESOLUTION;

OPTICAL TRANSFER FUNCTION;

COMPUTER ASSISTED IMPEDANCE TOMOGRAPHY; CONFERENCE PAPER; DIAGNOSTIC VALUE; IMAGE QUALITY; IMAGING SYSTEM; MAGNETIC FIELD; OPTICAL RESOLUTION; PRIORITY JOURNAL; TOMOGRAPHY;

EID: 34447092447     PISSN: 09673334     EISSN: 13616579     Source Type: Journal    
DOI: 10.1088/0967-3334/28/7/S24     Document Type: Conference Paper

References (19)

1. Al-Zeibak S and Saunders H N 1993 A feasibility study of in vivo electromagnetic imaging Phys. Med. Biol. 38 151-60
2. Cheney M, Isaacson D, Newell J C, Simske S and Goble J 1990 NOSER: an algorithm for solving the inverse conductivity problem Int. J. Imaging Syst. Tech. 2 66-75
3. Goss D, Mackin R O, Crescenzo E, Tapp H S and Peyton A J 2003 Development of electromagnetic inductance tomography (EMT) hardware for determining human body composition Proc. 3rd World Congress on Industrial Process Tomography pp 377-83
4. Griffiths H 2001 Magnetic induction tomography Meas. Sci. Technol. 12 1126-31
5. Hansen P C 1998 Rank-Deficient and Ill-Posed Problems (Philadelphia: SIAM)
6. Korjenevsky A V and Cherepenin V A 1997 Magnetic induction tomography J. Commun. Tech. Electron. 42 469-74
7. Korjenevsky A, Cherepenin V and Sapetsky S 2000 Magnetic induction tomography: experimental realization Physiol. Meas. 21 89-94
8. Liu A, Dale A and Belliveau 2002 Monte Carlo simulation studies of EEG and MEG localization accuracy Hum. Brain Mapp. 16 47-62
9. Merwa R, Brunner P, Missner A, Hollaus K and Scharfetter H 2006 Solution of the inverse problem of magnetic induction tomography (MIT) with multiple objects: analysis of detectability and statistical properties with respect to the reconstructed conducting region Physiol. Meas. 27 S249-59
10. Merwa R, Hollaus K, Biro O and Scharfetter H 2004 Detection of brain oedema using magnetic induction tomography: a feasibility study of the likely sensitivity and detectability Physiol. Meas. 25 347-54
11. Merwa R, Hollaus K and Scharfetter H 2005 Solution of the inverse problem of magnetic induction tomography (MIT) Physiol. Meas. 26 S241-50
12. Peyton A 1996 An overview of electromagnetic inductance tomography: description of three different systems Meas. Sci. Technol. 7 261-71
13. Riedel C H, Keppelen M, Nani S, Merges R D and Dössel O 2004 Planar system for magnetic induction conductivity measurement using a sensor matrix Physiol. Meas. 25 403-11
14. Rosell J, Casanas R and Scharfetter H 2001 Sensitivity maps and system requirements for magnetic induction tomography using a planar gradiometer Physiol. Meas. 22 121-30
15. Scharfetter H, Casanas R and Rosell J 2003 Biological tissue characterization by magnetic induction spectroscopy (MIS): requirements and limitations IEEE Trans. Biomed. Eng. 50 870-80
16. Scharfetter H, Hollaus K, Rosell-Ferrer J and Merwa R 2006 Single-step 3-d image reconstruction in magnetic induction tomography: theoretical limits of spatial resolution and contrast to noise ratio Ann. Biomed. Eng. 34 1786-98
17. Scharfetter H, Lackner H and Rosell J 2001 Magnetic induction tomography: hardware for multi-frequency measurements in biological tissues Physiol. Meas. 22 131-46
18. Scharfetter H, Riu P, Populo M and Rosell J 2002 Sensitivity maps for low-contrast perturbations within conducting background in magnetic induction tomography Physiol. Meas. 23 195-202
19. Tapp H and Peyton A 2003 A state of the art review of electromagnetic tomography Proc. 3rd World Congress on Industrial Process Tomography pp 340-6