We have designed and fabricated phantom mimicking breast cancer composition known as a region that has low contrast density. The used compositions are a microcalcifications, fatty tissues and tumor mass by using Al2O3, C27H46O, and hard nylon materials. Besides, phantom also has a part to calculate low cost criteria /CNR (Contrast to Noise Ratio). Uniformity will be measured at water distillation medium located in a part of phantom scale contrast. Phantom will be imaged by using micro ct-sky scan 1173 high energy type, and then also can be quantified CT number to examine SkyScan 1173 performance in imaging low contrast density materials. Evaluation of CT number is done at technique configuration parameter using voltage of 30 kV, exposure 0.160 mAs, and camera resolution 560x560 pixel, the effect of image quality to reconstruction process is evaluated by varying image processing parameters in the form of beam hardening corrections with amount of 25%, 66% and100% with each smoothing level S10,S2 and S7. To obtain the better high quality image, the adjustment of beam hardening correction should be 66% and smoothing level reach maximal value at level 10.
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16 April 2015
THE 5TH ASIAN PHYSICS SYMPOSIUM (APS 2012)
10–12 July 2012
Bandung, Indonesia
Research Article|
April 16 2015
Beam hardening and smoothing correction effects on performance of micro-ct SkyScan 1173 for imaging low contrast density materials
Wa Ode Sriwayu;
Wa Ode Sriwayu
1Physics Departement,
Haluoleo University
Indonesia
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Fourier Dzar Eljabbar Latief
Fourier Dzar Eljabbar Latief
Search for other works by this author on:
Wa Ode Sriwayu
1
Freddy Haryanto
2
Siti Nurul Khotimah
2
Fourier Dzar Eljabbar Latief
2
1Physics Departement,
Haluoleo University
Indonesia
AIP Conf. Proc. 1656, 060014 (2015)
Citation
Wa Ode Sriwayu, Freddy Haryanto, Siti Nurul Khotimah, Fourier Dzar Eljabbar Latief; Beam hardening and smoothing correction effects on performance of micro-ct SkyScan 1173 for imaging low contrast density materials. AIP Conf. Proc. 16 April 2015; 1656 (1): 060014. https://doi.org/10.1063/1.4917145
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