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SUMMARY:Photoacoustic tomography: progress and open problems - Cox\, B (Un
 iversity College London)
DTSTART:20140210T161500Z
DTEND:20140210T170000Z
UID:TALK50759@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Photoacoustic tomography (PAT) is an emerging biomedical imagi
 ng modality which exploits the photoacoustic effect\, whereby light absorp
 tion gives rise to ultrasound waves. It is already being used in a number 
 of applications\, such as preclinical and breast imaging\, and for cancer 
 and drug research. There are two inverse problems in PAT: an acoustic inve
 rsion and a diffuse optical inversion\, which can be decoupled because of 
 the differences in the timescale of acoustic and optical propagation. A gr
 eat deal of work has been done on the former\, and progress has been made 
 on the latter in recent years. However\, there remain several open image r
 econstruction problems of considerable practical importance\, both acousti
 c and optical. This talk will give an overview of PAT\, describe the vario
 us experimental systems available for making PAT measurements\, highlight 
 the progress made to date\, and introduce some remaining unsolved inverse 
 problems of interest. \n
LOCATION:Seminar Room 1\, Newton Institute
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