Phase Contrast (PC) MR Image Reconstruction Using Complex Expectation Maximization (EM)

Keywords

accurate acquisition addition adjoint adopt advanced always analyzed angiography applications applied artifact artifacts assuming back bland bottle bounded certain coherence column combined complex composite consisted constantly constrained constraints contrast correlation critical denotes described diameter dynamic efficient efficiently electrical emission encoding engineering estimating expectation experiment fact filtered flow flowed formula foundation fourth funded generates generating government gradient gradients grant ground guaranteed highly homemade identical imaginary inequality initial inner institute intermediate inverse iteration iterative limitation linear local magnitude masked maximization mentioned might multiplying national needs novel operator overcome park part parts performance phantom pixel plot plots plotted positive positron projection propose proposed quality radial radon real reconstruct reconstructed reconstruction reduced reduction regression remove removed replaced respectively sampling science separated similarly slice speed streaking successfully superior supported synthesized target technology temporal thereby third tomography totally trajectory transform truth tube velocity views water widely