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Zeitschriften
Journal of Electrical Bioimpedance
Band 8 (2017): Heft 1 (January 2017)
Uneingeschränkter Zugang
Dual modality electrical impedance and ultrasound reflection tomography to improve image quality
K. Ain
K. Ain
,
D. Kurniadi
D. Kurniadi
,
S. Suprijanto
S. Suprijanto
und
O. Santoso
O. Santoso
| 17. Apr. 2017
Journal of Electrical Bioimpedance
Band 8 (2017): Heft 1 (January 2017)
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Article Category:
Articles
Online veröffentlicht:
17. Apr. 2017
Seitenbereich:
3 - 10
Eingereicht:
04. Sept. 2016
DOI:
https://doi.org/10.5617/jeb.3852
Schlüsselwörter
Improved quality
,
electrical impedance tomography
,
ultrasound reflection imaging
,
multimodal imaging
,
image resolution
,
image contrast
© 2017 K. Ain, D. Kurniadi, S. Suprijanto, O. Santoso, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
The phantom uses distilled water as medium and (a) insulator, (b) conductor, and (c) insulator-conductor
Figure 2
Data acquisition of electrical impedance tomography
Figure 3
The uniform element model with 141 nodes, 248 elements and 16 electrodes channels
Figure 4
Non-uniform element model with (a) 166 nodes and 298 elements, (b) 179 nodes and 324 elements, and (c) 201 nodes and 368 elements
Figure 5
Experiments configuration of ultrasound reflection tomography
Figure 6
Pattern of data collection
Figure 7
Electrical potential data of experiment scanning on neighboring data collection
Figure 8
Reconstruction images of ultrasound reflection. (a) Rubber cylinder in the left side, (b) Aluminium cylinder in the right side, and (c) Rubber and Aluminium cylinder in the left and right side.
Figure 9
Reconstruction image of the relative method in uniform elements model
Figure 10
Reconstruction image of the relative method in non-uniform elements model
Figure 11
The line profiles of the reconstruction image from uniform and non-uniform elements compared to reference. (a) Insulator, (b) conductor, and (c) insulator-conductor
Figure 12
Reconstruction image of the Newton-Raphson method in uniform elements model
Figure 13
Reconstruction image of the Newton-Raphson method in non-uniform elements model
Figure 14
Objective function from iteration process of neighboring collection methods with anomaly objects. (a) Insulator, (b) conductor, and (c) insulator-conductor
Figure 15
Line profile of reconstruction images from the Newton-Raphson methods of uniform and non-uniform elements compared to reference. (a) Insulator object, (b) conductor object, and (c) insulator-conductor object
Error analysis on spatial resolution of linear and Newton-Raphson reconstruction methods using insulator, conductor or a combination
Elements
Linear reconstr. methods
Newton-Raphson reconstr. methods
Insu.
Cond.
Insu-Cond
Insu.
Cond.
Insu-Cond
Uniform
3.5
4.6
4.4
3.3
6.3
1.3
Non uniform
3.1
3.9
3.7
0.22
2.6
1.1