Title

Development of bench-top photon-counting CT system and its application to calibration-based material decomposition

DGIST Authors

Joonbeom Kim ; Okkyun Lee ; Kyonghwan Jin

Advisor

이옥균

Co-Advisor(s)

Kyonghwan Jin

Issued Date

2023

Awarded Date

2023-02-01

Citation

Joonbeom Kim. (2023). Development of bench-top photon-counting CT system and its application to calibration-based material decomposition. doi: 10.22677/THESIS.200000657362

Type

Thesis

Description

"Photon-counting CT", "Material decomposition", "Quantitative analysis"

Table Of Contents

Ⅰ. Introduction 1
Ⅱ. Materials and methods 2
2.1 Development of bench-top PCD-CT system 2
2.2 Alignment 4
2.3 Data pre-processing for the calibration-based material decomposition 5
2.4 Image-based material decomposition(IMD) 7
2.5 Polynomial expansion-based material decomposition(PMD) 8
2.6 Least-squares-based material decomposition(LSMD) 9
2.7 Basis transform matrix 10
Ⅲ. Results 12
3.1 Basis transformation 12
3.2 Qualitative analysis(CT images) 14
3.3 Quantitative analysis 15
Ⅳ. Discussion and Conclusion 17
References 19
요약문 21

URI

http://hdl.handle.net/20.500.11750/45711
http://dgist.dcollection.net/common/orgView/200000657362

DOI

10.22677/THESIS.200000657362

Degree

Master

Department

Department of Robotics and Mechatronics Engineering

Publisher

DGIST

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