High-Resolution Imaging Using Keyhole-Based Compressed Sensing Averaging (CSAK) TechniqueHigh-Resolution Imaging Using Keyhole-Based Compressed Sensing Averaging (CSAK) Technique
- Other Titles
- High-Resolution Imaging Using Keyhole-Based Compressed Sensing Averaging (CSAK) Technique
- Authors
- Kyung-Jin Lee; Chan-A Park; Dae-hun Kang; Young Don Son; Hang-Keun Kim; Yeong-Bae Lee; 강창기
- Issue Date
- Jun-2020
- Publisher
- 한국자기학회
- Keywords
- fast magnetic resonance imaging; compressed sensing MRI; CS averaging; keyhole technique; SNR enhancement technique
- Citation
- Journal of Magnetics, v.25, no.2, pp.164 - 171
- Journal Title
- Journal of Magnetics
- Volume
- 25
- Number
- 2
- Start Page
- 164
- End Page
- 171
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/76188
- ISSN
- 1226-1750
- Abstract
- This study is to propose a magnetic resonance (MR) imaging technique, called as CSAK (compressed sensing averaging combined with a keyhole), and prove its possibility through in vivo experiment for high-resolution and fast imaging. For CSA, undersampling ratios of 25 %, 35 %, and 45 % were compared with a full k-space.
Each undersampling ratio was composed of three subsets. High resolution CSAK images from the phantom and human subjects showed the increased signal-to-noise ratio (SNR) and depicted the anatomical structures more clearly. In addition, images with a 25 % undersampling ratio showed the highest SNR and reduced acquisition time by approximately 30 % relative to that of a full image. This study suggests that the proposed undersampling method for images with higher spatial and/or temporal resolution could yield better results in medical applications. Therefore, the CS-averaging technique could solve the limitations of acquiring much higher resolution images in clinical 3T MR imaging.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - 보건과학대학 > 방사선학과 > 1. Journal Articles
- 의과대학 > 의학과 > 1. Journal Articles
- 보건과학대학 > 의용생체공학과 > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/76188)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.