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SUMMARY:Compressed sensing in the real world - Why and what actually works
  - Dr Bogdan Roman - DAMPT\, University of Cambridge
DTSTART:20150211T140000Z
DTEND:20150211T150000Z
UID:TALK57049@talks.cam.ac.uk
CONTACT:David Greaves
DESCRIPTION:Bogdan Roman is at the Dept of Applied Mathematics and Theoret
 ical Physics\, University of Cambridge and he is also a Visiting Research 
 Fellow at CL.\n\n\n\n[Disclaimer] This will be a non-mathematical talk\, a
 ccessible to non-experts\, and will hopefully also feature some live Matla
 b demos. Compressed Sensing (CS) took the applied maths and signal process
 ing communities by storm\, being by far one of the hottest topics in the l
 ast decade. CS states that one can recover signals by sampling at random a
 nd much below the known classical Nyquist limit ... if some conditions are
  met. However\, the real world is\, as usual\, cruel and unforgiving. This
  talk will (i) explain the core concepts and why some of the fundamental c
 onditions in CS are problematic or missing in a large number of practical 
 applications\, (ii) introduce a new CS theory based on asymptotic behaviou
 r that real-world signals possess\, and (iii) show why the new concepts ar
 e a better fit and how they can be exploited in some important practical p
 roblems in order to achieve substantial gains even when the traditional CS
  conditions actually do hold.
LOCATION:Lecture Theatre 1\, Computer Laboratory
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