学术讲座
Advancing Magnetic Resonance Spectroscopy and Imaging with Prior Knowledge: Dr. Yi Zhang
Time: 2015-06-21  Browse: 378

报告题目:Advancing Magnetic Resonance Spectroscopy and Imaging with Prior Knowledge

报告人:张祎

主持人:Prof. Anna Wang Roe

演讲时间:2015年6月23日上午9:00-10:00

演讲地点:玉泉校区周亦卿科技大楼216室

报告人简介:Education and research experience:

Dr. Yi Zhang received his bachelor degree with honors in Electrical Engineering from Zhejiang University in 2009. Then he started working on Magnetic Resonance Imaging and Spectroscopy at Johns Hopkins University, and obtained his PhD degree in Electrical and Computer Engineering in June of 2014. Since then, Dr. Zhang has been a postdoctoral fellow in the Division of MR Research at Johns Hopkins School of Medicine, and has been focusing on Chemical Exchange Saturation Transfer (CEST) imaging. Dr. Zhang has extensive experience on image reconstruction, pulse sequence programing, parallel imaging, MR spectroscopy and CEST imaging. He was selected as a Junior Fellow of International Society for Magnetic Resonance in Medicine in 2015.

 

报告内容简介:

Reconstruction is key to the generation of anatomic, functional and biochemical information in the field of Magnetic Resonance (MR) in medicine. Here, prior knowledge based on various conditions is utilized through reconstruction to accelerate current MR techniques and reduce artifacts.First, prior knowledge from scout Magnetic Resonance Imaging (MRI) is exploited to accelerate spatial localization in Magnetic Resonance Spectroscopic Imaging (MRSI) and Chemical Exchange Saturation Transfer (CEST) imaging to directly reconstruct compartmental measurements.Second, prior information from MRI is used to reduce the problem of lipid artifacts in 1H brain MRSI.Last, prior knowledge of the spatially sparse nature of endoscopic MRI images acquired with tiny internal MRI antennae, and that of the null signal location of the endoscopic probe, are used to accelerate MR endoscopic imagingwith compressed sensing and to reduce motion artifacts.