B1 correction incorporated with a short pre-scan for specific weighted MRI
B1 correction incorporated with a short pre-scan for specific weighted MRI
- Author(s): Jichang Zhang ; Jianfeng Zhu ; Jing Li ; Xinpei Wang ; Pengfei Xu ; Zhen Nan ; Chengbo Wang
- DOI: 10.1049/cp.2018.1726
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- Author(s): Jichang Zhang ; Jianfeng Zhu ; Jing Li ; Xinpei Wang ; Pengfei Xu ; Zhen Nan ; Chengbo Wang Source: IET Doctoral Forum on Biomedical Engineering, Healthcare, Robotics and Artificial Intelligence 2018 (BRAIN 2018), 2018 page (5 pp.)
- Conference: IET Doctoral Forum on Biomedical Engineering, Healthcare, Robotics and Artificial Intelligence 2018 (BRAIN 2018)
- DOI: 10.1049/cp.2018.1726
- ISBN: 978-1-83953-083-8
- Location: Ningbo, China
- Conference date: 4 Nov. 2018
- Format: PDF
The purpose of this study is to develop and investigate a B1 correction method incorporating with a short pre-scan to correct B1 inhomogeneity especially for specific weighted MRI images like the Fat-suppressed T1-weighting without addition of any coils. A low resolution pre-scan with the same weighted function as subsequent scan is applied right before the normal scan. Both B0 field intensity map and receiving sensitivity field map can be derived from the pre-scan based on my new algorithm. The new methods demonstrated a better performance in correcting fat-suppressed T1-weighted MRI images.
Inspec keywords: medical image processing; biomedical MRI
Subjects: Medical magnetic resonance imaging and spectroscopy; Patient diagnostic methods and instrumentation; Optical, image and video signal processing; Computer vision and image processing techniques; Biomedical magnetic resonance imaging and spectroscopy; Biology and medical computing
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