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Abstract #2931

Simultaneous Multi Slice using Hadamard like encoding with non-Hadamard factors

Sudhir Ramanna1, Harsh Agarwal1, Rajagopalan Sundaresan1, Sajith Rajamani1, Ashokkumar P Reddy1, Bhairav Mehta1, and Ramesh Venkatesan1
1GE Healthcare, Bangalore, India


Multiplexing of slices using the NEX/averaging dimension is an option for clinical MR protocols to improve SNR without imposing a scan time penalty. Hadamard encoding and decoding imposes Hadamard factors as limits where in only powers of 2 is used. We propose to use a Hadamard like encoding scheme but decode differently to yield a reduced effective NEX and improved motion sensitivity. This enables us to use any integer multiband factors.

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