Errors due to the truncation of the computational domain in static three-dimensional electrical impedance tomography

Physiological Measurement

Volumn 21, Issue 1, 2000, Pages 125-135

  Vauhkonen, P J ^a   Vauhkonen, M ^a   Kaipio, J P ^a  

^a UNIVERSITY OF EASTERN FINLAND   (Finland)

Author keywords

Domain truncation; Finite element method; Infinite elements; Three dimensional electrical impedance tomography

Indexed keywords

ELECTRIC IMPEDANCE; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC IMPEDANCE TOMOGRAPHY; ELECTRODES; ERRORS; IMAGE RECONSTRUCTION; SENSITIVITY ANALYSIS;

COMPUTATIONAL DOMAINS; CURRENT-VOLTAGE; DOMAIN TRUNCATION; ELECTRICAL IMPE DANCE TOMOGRAPHY (EIT); INFINITE ELEMENT; INJECTED CURRENT; RECONSTRUCTED IMAGE; RESISTIVITY DISTRIBUTIONS; THREE-DIMENSIONAL ELECTRICAL IMPEDANCE TOMOGRAPHY;

FINITE ELEMENT METHOD;

ANALYTICAL ERROR; ARTICLE; ARTIFACT; COMPUTER ASSISTED IMPEDANCE TOMOGRAPHY; IMAGE RECONSTRUCTION; MATHEMATICAL MODEL; PRIORITY JOURNAL; THREE DIMENSIONAL IMAGING;

EID: 0034004305     PISSN: 09673334     EISSN: None     Source Type: Journal    
DOI: 10.1088/0967-3334/21/1/316     Document Type: Article

References (13)

1. Bettess P 1977 Infinite elements Int. J. Numer. Methods Eng. 11 53-64
2. Cheng K-S, Isaacson D, Newell J C and Gisser D G 1989 Electrode models for electric current computed tomography IEEE Trans. Biomed. Eng. 36 918-24
3. Dijkstra A M, Brown B H, Leathard A D, Harris N D, Barber D C and Endhrooke D L 1993 Review: clinical applications of electrical impedance tomography J. Med. Eng. Technol. 17 89-98
4. Goble J, Cheney M and Isaacson D 1992 Electrical impedance tomography in three dimensions Appl. Comput. Electromagn. Soc. J. 7 128-47
5. Marques J M M C and Owen D R J 1984 Infinite elements in quasi-static materially nonlinear problems Comput. Struct. 18 739-51
6. Metherall P, Barber D C, Smallwood R H and Brown B H 1996 Three-dimensional electrical impedance tomography Nature 380 509-12
7. Ollikainen J, Vauhkonen M, Kaipio J P and Karjalainen P A 1996 Using resistivity estimates in EEC inverse problems Proc. 1st Int. Conf. Bioelectromagnetism (Tampere, 1996) pp 251-2
8. Rabbani K S and Kabir A M B H 1991 Studies on the effect of the third dimension on a two-dimensional electrical impedance tomography system Clin. Phys. Physiol. Meas. 12 393-402
9. Simoni L and Schrefler B A 1987 Mapped infinite elements in soil consolidation Int. J. Numer. Methods Eng. 24 513-27
10. 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
11. Vauhkonen P J, Vauhkonen M, Savolainen T and Kaipio J P 1999 Three-dimensional electrical impedance tomography based on the complete electrode model IEEE Trans. Biomed. Eng. 46 1150-60
12. _ 1999b Static three-dimensional electrical impedance tomography Ann. NY Acad. Sci. 873 472-81
13. Williams R A and Beck M S (eds) 1995 Process Tomography, Principles, Techniques and Applications (Oxford: Butterworth-Heinemann)