Abstract #3270

Two-point fat water separation using safest path region growing with self-feeding phasor estimation algorithm

Chuanli Cheng^1,2, Chao Zou¹, Hairong Zheng¹, and Xin Liu¹

¹Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, People's Republic of, ²University of Chinese Academy of Sciences, Beijing, China, People's Republic of

A novel two-point fat water separation method using safest path region growing with self-feeding phasor estimation algorithm is proposed. The phasor map is estimated by multiresolution region growing scheme where the seed pixels identification and region growing scheme is performed independently between coarser resolutions, avoiding the erroneous propagation between resolutions. The “self-feeding” mechanism when merging the phasor maps ensures the reliability of seed pixels selection at the finest resolution. The algorithm was tested on c-spine and abdomen data and shown to be robust in fast varying field and disjoint areas.

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