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Abstract #0942

Quantitative Susceptibility Imaging with Homotopic L0 Minimization Programming: Preliminary Study of Brain

Jing Liu1, Tian Liu1, Ludovic de Rochefort1, Martin R. Prince1, Yi R. Wang1

1Radiology, Weill Cornell Medical College, New York, NY, USA

Quantitative susceptibility imaging improves upon susceptibility weighted imaging by measuring iron in brain tissues, which can be used to analyze brain function and identify neurological diseases. We proposed an efficient approach based on homotopic L0 norm minimization programming to solve the inverse problem from magnetic field measurement to susceptibility map. Results of brain exams have demonstrated the quantitative visibility of hemorrhage, veins and gray matter.