Magnetic induction tomography
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Magnetic induction tomography (MIT) is an imaging technique used to image electromagnetic properties of an object by using the eddy current effect. It is also called electromagnetic induction tomography, electromagnetic tomography (EMT), eddy current tomography, and eddy current testing.
Applications
The method is used in nondestructive testing and geophysics, and has potential applications in medicine. It is also used to generate 3D images of passive electromagnetic properties, which has applications in brain imaging, cryosurgery monitoring in medical imaging, and metal flow visualization in metalworking processes. Recently, eddy current sensors has been used to scan additive manufacturing for metal process layer-by-layer, producing eddy current tomography images. The company AMiquam is developping this technology since 2020.
References
- Telford, W M; Geldart, L P; Sheri, R E & Keys, D A (1976). Applied Geophysics. Cambridge University Press: Cambridge, England. Section 3.5.4.
- Peyton, A. J., et al. "An overview of electromagnetic inductance tomography: description of three different systems." Measurement Science and Technology 7.3 (1996): 261.
- Griffiths H (2001). "Magnetic induction tomography". Meas. Sci. Technol. 12 (8): 1126–1131. Bibcode:2001MeScT..12.1126G. doi:10.1088/0957-0233/12/8/319. S2CID 250767846.
- Korjenevsky A, Cherepenin V, Sapetsky S (2000). "Magnetic induction tomography: experimental realization". Physiological Measurement. 21 (1): 89–94. doi:10.1088/0967-3334/21/1/311. PMID 10720003. S2CID 250895798.
- Scharfetter H, Lackner HK, Rosell J (2001). "Magnetic induction tomography: Hardware for multi-frequency measurements in biological tissues". Physiological Measurement. 22 (1): 131–146. doi:10.1088/0967-3334/22/1/317. PMID 11236874. S2CID 250865106.
- Binns, R; Lyons, A R A; Peyton, A J & Pritchard, W D N (2001). "Imaging molten steel flow profiles". Meas. Sci. Technol. 12 (8): 1132–1138. Bibcode:2001MeScT..12.1132B. doi:10.1088/0957-0233/12/8/320. S2CID 250883756.
- Soleimani, M; Lionheart, W R B (2006). "Absolute Conductivity Reconstruction in Magnetic Induction Tomography Using a Nonlinear Method" (PDF). IEEE Trans Med Imaging. 25 (12): 1521–1530. doi:10.1109/TMI.2006.884196. PMID 17167989. S2CID 2855911.
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