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Publication Detail
Automatic sodium maps reconstruction using PatchMatch algorithm for phantom detection
  • Publication Type:
    Conference
  • Authors:
    Prados Carrasco F, Solanky BS, Alves Da Mota P, Cardoso MJ, Brownlee WJ, Riemer F, Miller DH, Golay X, Wheeler-Kingshott CAM, Ourselin S
  • Name of conference:
    International Society for Magnetic Resonance in Medicine (ISMRM) 24th Scientific Meeting and Exhibition,
  • Conference place:
    Singapore
  • Conference start date:
    07/05/2016
  • Conference finish date:
    13/05/2016
  • Publisher URL:
Abstract
Quantitative sodium magnetic resonance imaging ( Na-MRI) enables the non-invasive measurement of in vivo total Na concentration (TSC) in the human brain. This involves a complex process of reconstructing datasets acquired to calculate a TSC map. Quantitative TSC map calibration relies on external reference phantoms with known concentration for linear calibration. This commonly involves manually segmenting the phantoms by trained raters, hindering automatic image analysis, and presenting a bottleneck in the TSC computation. We propose to substitute the manual segmentation by OPAL, a novel, fast, robust and reliable technique for segmenting sodium phantoms that allows fully-automatic reconstruction of TSC maps.
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