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| Content Provider | IET Digital Library |
|---|---|
| Author | Luo, Hai Jun Wen, Kai Xu Yong, Liao Pan, Haitao Jing, Xin |
| Abstract | Magnetic induction tomography is a contactless technique that can measure conductivity distribution in biological tissues. This study proposed that Helmholtz coils as the excitation coils will generate a set of uniform excitation fields. The system model consists of a circular background area, a circular disturbance object, a set of Helmholtz coils, and eight magnetic detection coils. The diameter of the Helmholtz coil is 200 mm. The detection coil is a square, and its side length is 12 mm. The excitation current of the system is 30 mA, and the frequency is 10 MHz. This study discusses the reconstructed images of different locations, different volumes, different distances, and different electrical conductivities of perturbation bodies. The anti-noise ability of different noise signals is also analysed. Finally, the image differences are evaluated through structural similarity index (SSIM). The results show that the algorithm can distinguish the position and volume characteristics of the target object. However, when the volume of the target object is low, the position will be deviated. This algorithm can distinguish the position of the two, which is far away from each other. |
| Starting Page | 1427 |
| Ending Page | 1432 |
| Page Count | 6 |
| Volume Number | 2018 |
| e-ISSN | 20513305 |
| Issue Number | Issue 16, Nov (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/16 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8286 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-08-16 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Artificial Intelligence Bioelectric Phenomena Bioelectricity Biological Tissues Biology And Medical Computing Biomagnetic Signal Biomedical Imaging Computer Vision And Image Processing Technique Current 30.0 MA Electric And Magnetic Field Electrical Conductivities Electrical Conductivity Electromagnetic Induction Excitation Coils Filter Back Projection Algorithm Frequency 10.0 MHz Helmholtz Coils Image Reconstruction Inverse Problem Knowledge Engineering Technique Magnetic Detection Coils Magnetic Induction Tomography Mathematical Analysis Medical Image Processing Noise Signal Optical, Image And Video Signal Processing Patient Diagnostic Method And Instrumentation Perturbation Bodies SSIM Index Tomography Uniform Excitation Field Visual Perception Index Structural Similarity |
| Content Type | Text |
| Resource Type | Article |
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