Abstract #0386

Faster than Mulitband ... Advanced Pseudo Fourier Imaging's (API) response to the current state of the art

Nishant Zachariah¹, Jason Langley², Justin Romberg¹, and Xiaoping P. Hu³

¹Department of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States, ²Center for Advanced Neuroimaging, University of California at Riverside, CA, United States, ³Department of Bioengineering, University of California at Riverside, CA, United States

Multiband (MB) imaging is limited in its acceleration factor by the high correlation that exists between receiver coils. In this work, we present a novel technique, Advanced Pseudo Fourier Imaging (API) which achieves parallel excitation beyond that which is currently possible using multiband imaging. In doing so, API forms a generic framework for seamless transition from 2D to 3D imaging. Unlike MB, API is less sensitive to the RF excitation profile in its slice reconstruction by virtue of the introduced phase variations. We demonstrate the viability of API through 1D simulations and 3D head phantom data acquired at 3T.

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