2D graphical assessment for fast imaging strategies

نویسندگان

  • T-C. Chao
  • H-W. Chung
  • W. S. Hoge
  • J. Yuan
  • B. Madore
چکیده

Introduction: As the number and complexity of partially sampled dynamic imaging methods continues to increase, understanding how these methods relate and perform becomes increasingly difficult. Modulation transfer functions (MTF) have been used extensively in medical imaging in general, and X-ray imaging in particular, to evaluate the performance of imaging systems. An MTF graphically displays the ability of a given imaging system to correctly capture a range of spatial frequencies. In dynamic imaging, 2D MTF can be used to capture temporal frequencies in addition to spatial frequencies. Noise and artifact measurements are also proposed. Three fast imaging strategies, kt-SENSE[1], UNFOLD-SENSE[2] and a hybrid combination of the two, hybrid SENSE[3], are tested using the graphical approach described here.

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تاریخ انتشار 2008