Bruker is a performace leader in preclinical imaging instrumentation. Bruker offers nine imaging modalities: PET, SPECT, CT, MRI, MPI, fluorescence, luminiscence, radioisotipic imaging and X-ray.
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There are two ways in which the multiple projections per step acquired in a listmode scan can be sorted into different phases of the cycle. These are time-based and image-based sorting.
Time-based listmode sorting depends on an accurate record of physiological time-points of the cycle of breathing or the heart beat: each inhalation, or each systole. Breathing monitoring is by video movement detection or pressure sensing; cardiac monitoring is by ECG.
Image-based or Intrinsic listmode sorting assigns projection images to cyclical intervals by image analysis. No physiological time signal is needed.
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