2007 IEEE International Conference on Image Processing - San Antonio, Texas, U.S.A. - September 16-19, 2007

Technical Program

Paper Detail

Paper:TP-L5.8
Session:Biomedical Imaging III: Tomography
Time:Tuesday, September 18, 17:10 - 17:30
Presentation: Lecture
Title: NEW CONCEPT OF SCATTERED RADIATION IMAGING WITH HIGH SENSITIVITY
Authors: M. K. Nguyen; CNRS 8051 / ENSEA / Université de Cergy-Pontoise 
 Gilles Fourreau; CNRS 8051 / ENSEA / Université de Cergy-Pontoise 
 T. T. Truong; CNRS 8089 / Université de Cergy-Pontoise 
 Clémence Driol; CNRS 8089 / Université de Cergy-Pontoise 
Abstract: We propose a new scheme for imaging radiation emitting objects by measuring its non collimated scattered radiation at various energies. A few years ago we have put forward the idea of scatter imaging and show how it works with a collimated detector. To increase drastically the sensitivity of this modality as well as its field of view and resolution we propose that data acquisition should be performed without collimation as it is done in Compton cameras. We discuss image formation by scattered radiation in this context by computing and comparing the related Point Spread Functions (PSF) and comment on their properties. We also present numerical simulations to support the attractiveness of this modality.



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