Assessment of errors in static electrical impedance tomography with adjacent and trigonometric current patterns

Physiological Measurement

Volumn 18, Issue 4, 1997, Pages 289-303

  Kolehmainen, V ^a   Vauhkonen, M ^a,b   Kaijalainen, P A ^a   Kaipio, J P ^a  

^a UNIVERSITY OF EASTERN FINLAND   (Finland)

^b UNIVERSITY OF OULU   (Finland)

Author keywords

Complete electrode model; Current patterns; Errors in EIT; Regularization; Static EIT

Indexed keywords

ELECTRIC IMPEDANCE; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC IMPEDANCE TOMOGRAPHY; ELECTRODES;

COMPLETE ELECTRODE MODEL; CURRENT PATTERNS; DIFFERENCE IMAGING; ELECTRICAL IMPE DANCE TOMOGRAPHY (EIT); ERROR IN ELECTRICAL IMPEDANCE TOMOGRAPHY; FORWARD MODELING; REGULARISATION; STATIC ELECTRICAL IMPEDANCE TOMOGRAPHY; STATIC IMAGING;

ERRORS;

ARTICLE; ELECTRODE; IMAGE RECONSTRUCTION; IMPEDANCE; PRIORITY JOURNAL; TOMOGRAPHY;

EID: 0030730753     PISSN: 09673334     EISSN: None     Source Type: Journal    
DOI: 10.1088/0967-3334/18/4/003     Document Type: Article

References (30)

1. Barber D and Brown B 1988 Errors in reconstruction of resistivity images using a linear reconstruction technique Cltn. Phys Physiol Meas. 9 suppl A 101-4
2. Boone K and Holder D 1996 Effect of skin impedance on image quality and variability in electrical impedance tomography: a model study Med. Biol. Eng. Comput. 34 351-4
3. Breckon W and Pidcock M 1988 Data errors and reconstruction algorithms in electrical impedance tomography Clin. Phys. Physiol. Meas. 9 suppl A 105-9
4. Brown B and Barber D 1988 Possibilities and problems of real-time imaging of tissue resistivity Clin. Phys. Physiol. Meas 9 suppl A 121-5
5. Brown B, Barber D and Seagar A 1985 Applied potential tomography: possible clinical applications Clin. Phys. Physiol Meas. 6 109-21
6. Cheng K-S, Isaacson D, Newell J and Gisser D 1989 Electrode models for electric current computed tomography IEEE Trans. Biomed. Eng. 36 918-24
7. Cheng K-S, Simske S, Isaacson D, Newell J and Gisser D G 1990 Errors due to measuring voltage on current-carrying electrodes in electric current computed tomography IEEE Trans. Biomed. Eng. 37 60-5
8. Dobson D and Santosa F 1994 Resolution and stability analysis of an inverse problem in electrical impedance tomography, dependence on the input current patterns SIAM J. Appl. Math. 54 1542-60
9. Eyüboglu B and Pilkington T 1993 Comments on distinguishability in electrical impedance tomography IEEE Trans. Biomed. Eng. 40 1328-30
10. Gersing E, Hoffman B and Osypka M 1996 Influence of changing peripheral geometry on electrical impedance tomography measurements Med. Biol Eng Comput. 34 359-61
11. Glidewell M and Ng K 1995 Anatomically constrained electrical impedance tomography for anisotropic bodies via a two-step approach IEEE Trans. Med. imaging 14 498-503
12. Hu M-Q, Hua P and Webster J 1987 Measurement error in an electrical impedance tomography system Proc. 9th Int. Conf. IEEE Eng Med. Biol Soc. (Boston) (New York: IEEE) pp 1425-6
13. Hua P, Woo E, Webster J and Tompkins W 1993 Using compound electrodes in electrical impedance tomography IEEE Trans. Biomed. Eng. 40 29-34
14. Isaacson D 1986 Distinguishability of conductivities by electric current computed tomography IEEE Trans. Med. Imaging 5 91-5
15. Jarvenpaa S and Somersalo E 1996 Impedance imaging and electrode models Proc. Oberwolbach Inverse Problems Meeting (Berlin: Springer)
16. Kiber M, Barber D and Brown B 1990 Estimation of object boundary shape from the voltage gradient measurements Meeting on Electrical Impedance Tomography (14-16 July, Copenhagen) European Community Concerted Action on Electrical Impedance Tomography (Brussels: CEC) pp 52-9
17. Koksal A and Eyuboglu B 1995 Determination of optimum injected current patterns in electrical impedance tomography Physiol. Meas 16 A99-A109
18. Kolehmainen V 1997 Static electrical impedance tomography Master's Thesis University of Kuopio, Finland (in Finnish)
19. McAdams E, Jossinet J, Lackermeier A and Risacher F 1996 Factors affecting electrode-gel-skin interface impedance in electrical impedance tomography Med. Biol. Eng. Comput. 34 397-408
20. Molebny V, Lionhean W, Vovk P, Mykytenko Y and Gouz V 1996 Sensor position measurement for electroimpedance tomograph Proc. 1st Int. Conf. on Bioelectromagnetism (Tampere. Finland) (Tampere: Ragnar Granit Foundation) pp 177-8
21. Newell J, Isaacson D and Gisser D 1990 Rapid assessment of electrode characteristics for impedance imaging IEEE Trans. Biomed. Eng. 37 735-8
22. Ollikainen J, Vauhkonen M, Kaipio J and Karjalamen P 1996 Using resistivity estimates in EEG inverse problems Proc. 1st Int. Conf. on Bioelectromagnetism (Tampere. Finland) (Tampere: Ragnar Granit Foundation) pp 251-2
23. Panescu D, Webster J and Stratbucker R 1994 A nonlinear finite element model of the electrode-electrolyte-skin system IEEE Trans. Biomed. Eng. 41 681-7
24. Seydnejad S and Fahimi H 1992 A new method for finding the exact electrode location and bodyperimeter used for EIT Proc. 14th Int. Conf. IEEE Eng. Med. Biol. Society (Paris) (New York: IEEE) p 58
25. Somersalo E, Cheney M and Isaacson D 1992 Existence and uniqueness for electrode models for electric current computed tomography SIAM J. Appl. Math. 52 1023-40
26. Vauhkonen M 1997 Electrical impedance tomography and prior information PhD Thesis University of Kuopio, Finland
27. Vauhkonen M, Kaipio J, Somersalo E and Karjalainen P 1997 Electrical impedance tomography with basis constraints Inverse Problems 13 523-30
28. Vauhkonen M, Vadász D, Karjalainen P and Kaipio J 1996 Subspace regularization method for electrical impedance tomography Proc. 1st Int. Conf. Bioelectromagnetism (Tampere: Finland) (Tampere: Ragnar Granit Foundation) pp 165-6
29. Woo E, Hua P, Webster J, Tompkins W and Pallas-Areny R 1992 Skin impedance measurements using simple and compound electrodes Med. Biol. Eng. Comput. 30 97-102
30. Yorkey T, Webster J and Tompkins W 1987 Comparing reconstruction algorithms for electrical impedance tomography IEEE Trans. Biomed. Eng. 34 843-52