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SUMMARY:Compressed sensing of perfusion MRI - Marie Daňková (Brno Univer
 sity of Technology)
DTSTART:20140212T160000Z
DTEND:20140212T170000Z
UID:TALK49465@talks.cam.ac.uk
CONTACT:Parousia Rockstroh
DESCRIPTION:Perfusion MRI is a diagnostic method in medicine used mainly f
 or diagnosing carcinoma and cardiovascular diseases. In the method a contr
 ast agent is injected in the patient and then its concentration is observe
 d via MRI during time. The signal captured in time from the affected area 
 can be approximated by the lognormal distribution curve. The standard way 
 of obtaining the measurements is very slow and does not comply with today'
 s challenging requirements. We propose using compressed sensing to acquire
  much less coefficients\, having minimal effect on the signal reconstructi
 on. This is based on the assumption that the data is a sum of low-rank mat
 rix and sparse matrix in row spectrum.
LOCATION:MR14\, Centre for Mathematical Sciences
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