Technical note: Multi-receiver combination method for phase-based electrical property tomography of the breast
- Authors
- Kim Jun-Hyeong; Shin Jaewook; Jung Kyu-Jin; Cui Chuanjiang; Kim Soo-Yeon; Lee Jae-Hun; Kim Dong-Hyun
- Issue Date
- Mar-2023
- Publisher
- American Association of Physicists in Medicine
- Citation
- Medical Physics, v.50, no.3, pp 1660 - 1669
- Pages
- 10
- Journal Title
- Medical Physics
- Volume
- 50
- Number
- 3
- Start Page
- 1660
- End Page
- 1669
- URI
- https://yscholarhub.yonsei.ac.kr/handle/2021.sw.yonsei/6502
- ISSN
- 0094-2405
2473-4209
- Abstract
- Background: Phase-based electrical property tomography (EPT) is a technique that allows conductivity reconstruction with only phase of the B-1 field under the assumption that the magnitude of the B-1 fields are homogeneous. The more this assumption is violated, the less accurate the reconstructed conductivity. Thus, a method that ensures homogeneity of |B-1(-)| field is important for breast image using multi-receiver coil. PurposeTo develop a method for multi-receiver combination for phase-based EPT usable for breast EPT imaging in the clinic.,Methods: Theory of the proposed method is presented. To validate the proposed method, the phantom and in-vivo experiments were conducted. Conductivity images were reconstructed using the transceive phase of the combined image and results were compared with another combination method.,Results: The proposed method's conductivity results were more stable than those of the previous method when |B-1(-)| was not homogeneous and when the homogeneous contrast region was small. The phantom and in-vivo results indicate that the proposed method produces improved conductivity images than the previous method. The proposed combination method also increased the conductivity contrast between benign and cancerous tissues.,Conclusion: The proposed method produced more stable multi-receiver combination for phase-based EPT of the breast in a clinical environment.,
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Collections - College of Engineering > Electrical and Electronic Engineering > 1. Journal Articles
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