Abstract #1663
A Parallelizable Multi-threaded and Multi-leveled Region-Growing Based Algorithm for Phase Correction in MRI
Jingfei Ma 1 , Jong Bum Son 1 , and John Hazle 1
1
Imaging Physics, The University of Texas MD
Anderson Cancer Center, Houston, TX, United States
We present a parallelizable region growing algorithm for
phase correction in MRI. An image is divided into
sub-images in which region growing is independently
initiated from seed pixels and temporarily halted at a
pre-defined quality threshold. Results from different
sub-images are compared and then merged to form
consistent pixel islands. Finally, region growing is
resumed from the pixel islands by gradually relaxing the
quality threshold used for controlling the region
growing process and merging the different pixel islands
whenever possible. The algorithm is demonstrated for
generating in vivo two-point Dixon images.
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