Zhenliang Lin1, Qikang Li1, Huanhuan Liu2, Ming Liu2, Qiufeng Yin2, Rui Wang3, Guobin Li3, Dengbin Wang2, and Jie Luo1
1Shanghai Jiao Tong University, Shanghai, China, 2Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China, 3Shanghai United Imaging Healthcare Co., Ltd, Shanghai, China
1Shanghai Jiao Tong University, Shanghai, China, 2Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China, 3Shanghai United Imaging Healthcare Co., Ltd, Shanghai, China
In this study, we optimized both volume and timbre for single-shot EPI sequence by varying the duration of each readout unit with a sinusoidal waveform. The noise level was reduced by 22.4dBA, and spectral entropy was increased over two times, while preserving image quality.
Figure 1. Schematic plot of Varied ESP EPI pulse sequence design.
Figure 3. a) The optimized Varied ESP values along the echo train; b) Noise spectrums of different sequences; c) Zoomed part of interest in Figure 3b.
