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Abstract #4173

Phase Unbanding in BSSFP for Liver Conductivity Imaging at 3.0T

Min-Oh Kim1, Narae Choi1, Jaewook Shin1, Joonsung Lee1, Dong-Hyun Kim1

1Electrical and Electronic Engineering, Yonsei University, Seoul, Korea

Phase-based conductivity imaging using bSSFP suffers from off-resonance effect (banding artifact) in abdomen imaging. Here, we present a phase unbanding technique for conductivity reconstruction focused especially on liver imaging.

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Keywords

abdomen abnormally added affect alleviating appear application applying arbitrary arrow artifact artifacts artificially assumption avoid balancing banding bands bandwidth beyond black boundaries boundary brain breath calculating compensate compensating conductivity constant controlled corrected cycled derived determination developed development dimension direct discontinuities discontinuous distortion dominated done dong efficiency electric electrical electronic engineering error errors especially estimation exist experiment extending extracting field filter fitting flat free frequency funded gradient grant healthy hold human identical in vivo induced inhomogeneity integral lier like liver local magnitude mainly make mapping mask measured medical motion next noise observable overcome part pattern permeability phantom polynomial precession procedures process processes processing program properties property proposed quantitative readout receive reconstruction reduce refocusing removing residual resolution scanner scanners seem segmented sensitivity shim shin simple since situation slice slow smoothing solution solutions spatial stabilized steady step still strategic studies subtracts successively suffers suggested technology term terms tomography transmit trio useful varying volunteer wise workforce yellow