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SUMMARY:Challenges in global analysis of high-resolution volumes: complete
  vasculature estimation and detailed multi-organ labelling - Yuri Boykov\,
  University of Western Ontario
DTSTART:20171110T140000Z
DTEND:20171110T150000Z
UID:TALK93661@talks.cam.ac.uk
CONTACT:Rachel Furner
DESCRIPTION:Advances in 3D imaging technologies allow detailed understandi
 ng of \nthe global arrangement of multiple structures/organs\,\nbut comput
 ational challenges are also raised. We discuss two \nbiomedical problems t
 hat either require such\ndetailed analysis of the images or benefit from i
 t.\nIn particular\, we consider extraction of complete vascular tree struc
 ture \nin micro-CT volumes with near-capillary level resolution. \nWhile d
 iscussing standard approaches\, we emphasise new ideas using curvature-bas
 ed \nregularisation of the centerlines. We also consider common segmentati
 on problems \nin MRI or CT volumes\, where similar appearance of tissues m
 akes it difficult to\ndiscriminate organs independently of the context. We
  advocate simultaneous global\nanalysis of the data using anatomy-based pa
 rtially ordered labelling.
LOCATION:MR11\, Centre for Mathematical Sciences
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