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In magnetic resonance imaging (MRI), the balanced steady-state free precession (bSSFP) pulse sequence has shown to be of great interest, due to its relatively high signal-to-noise ratio in a short scan time. However, images acquired with this pulse sequence suffer from banding artifacts due to off-resonance effects. These artifacts typically appear as black… (More)

In this paper we present an algorithm for sequence design with magnitude constraints. We formulate the design problem in a general setting, but also illustrate its relevance to parallel excitation MRI. The formulated non-convex design optimization criterion is minimized locally by means of a cyclic algorithm , consisting of two simple algebraic sub-steps.… (More)

Estimating the transverse relaxation time (T 2) from magnitude spin echo images is a common problem in Magnetic Resonance Imaging. The standard approach is to use pixel-wise estimates; however these estimates can be quite noisy when only two images are available. By imposing inter-pixel information the estimates can be improved. An optimal formulation of… (More)

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