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Multi-Band Accelerated Pulse Sequences
The multi-band accelerated EPI sequences developed at CMRR are now available for use at other institutions
on compatible Siemens scanners by C2P agreement with CMRR and Siemens.
These sequences and the accompanying reconstructions are being actively developed as key components of the
Human Connectome Project.
The available sequence variants and supported software versions are listed below. If you are interested in obtaining
these sequences, the CMRR C2P instructions and agreement can be found on
at the UMN Office for Technology Commercialization.
Once you have executed a C2P agreement and have been given an access password, the sequence binaries can
be downloaded here by selecting the desired release number.
Note to users: If you have noticed a bug or have a request for a new feature in a future release, please
open a new support request. Be sure to include the sequence version number
(e.g. VB17A R006a), sequence variant (e.g. BOLD, diffusion), and the model of scanner you are using in the problem description.
The sequences and software are developed in a firewalled environment, the web server is regularly
checked for network vulnerabilities, and the downloadable files here are regularly scanned for viruses.
To detect unexpected changes, the downloads available here are regularly checked remotely against
baseline checksums stored on the remote machine.
Also, Siemens provides virus software for their scanners.
You can confirm that you have downloaded a valid version correctly by comparing a md5sum of the downloaded file with these
Download Multi-Band EPI 2D BOLD/SE/DIFF Sequences:
Remote Accelerated Reconstruction
An optional remote reconstruction server is available which allows for the possibility of dramatically
improving the image reconstruction speed for demanding studies.
This is currently only available by special request.
A description of the setup with sample timing results is available.
Download Multi-Band EPI Remote Reconstruction Server:
Moeller S, Yacoub E, Olman CA, Auerbach EJ, Strupp J, Harel N, et al. Multiband multislice GE-EPI at 7 tesla, with 16-fold acceleration using partial parallel imaging with application to high spatial and temporal whole-brain fMRI. Magn Reson Med 2010;63(5):1144-1153. [PubMed]
Setsompop K, Gagoski BA, Polimeni JR, Witzel T, Wedeen VJ, Wald LL. Blipped-controlled aliasing in parallel imaging for simultaneous multislice echo planar imaging with reduced g-factor penalty. Magn Reson Med 2012;67(5):1210-1224. [PubMed]
Xu J, Moeller S, Auerbach EJ, Strupp J, Smith SM, Feinberg DA, Yacoub E, Ugurbil K. Evaluation of slice accelerations using multiband echo planar imaging at 3T. Neuroimage 2013;83(0):991-1001. [PubMed]
Auerbach EJ, Xu J, Yacoub E, Moeller S, Ugurbil K. Multiband accelerated spin-echo echo planar imaging with reduced peak RF power using time-shifted RF pulses. Magn Reson Med 2013;69:1261-1267. [PubMed]
Sotiropoulos SN, Moeller S, Jbabdi S, Xu J, Andersson JL, Auerbach EJ, Yacoub E, Feinberg D, Setsompop K, Wald LL, et al. Effects of image reconstruction on fiber orientation mapping from multichannel diffusion MRI: Reducing the noise floor using SENSE. Magn Reson Med 2013;70(6):1682-1689. [PubMed]